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Li Tu
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Li Tu (born 27 May 1996) is an Australian tennis player. Tu has a career-high ATP singles ranking of world No. 160, achieved on 14 July 2025 and a doubles ranking of No. 189, achieved on 27 January 2025.[1]
Key Information
Career
[edit]2011–2014: Pro debut and retirement
[edit]Tu made his ITF Futures debut in February 2011 at the Australia F2. He played four other tournaments, losing in the first round in all of them.[citation needed]
Tu competed in the 2012 Junior Davis Cup alongside Thanasi Kokkinakis, later working as a tennis coach prior to his debut on the senior tour.[2]
In February 2014, he won his first match on ITF-level. In April 2014, Tu reached the quarterfinal of the Australia F5, his best result this level, but retired in June 2014.[3]
2020–2021: Return, ATP and major debut, four ITF titles
[edit]In 2020, Tu was inspired to return to playing tennis and enjoyed success on the Australian UTR Pro Tennis Series.[3]
Tu made his ATP Tour debut at the 2021 Murray River Open from where he received a wildcard into the singles main draw.[4] Tu also made his Grand Slam debut at the 2021 Australian Open, after receiving a wildcard. He lost in the first round to Feliciano López.[5]
In August 2021, Tu won his first ITF title as an unranked qualifier at a M15 tournament in Tunisia. He was competing in his first international event since June 2014.[3] In September 2021, Tu won the singles and doubles titles at a tournament in Monastir, Tunisia.[6]
Tu ended the 2021 season with an ATP ranking of No. 521.[citation needed]
2022: Maiden Challenger title, top 200 debut
[edit]Tu lost in the first round of the 2022 Australian Open – Men's singles qualifying.[7] He made his Grand Slam tournament debut in doubles and reached the third round, after receiving a wildcard with Dane Sweeny.[citation needed]
In May, he scooped an ITF title in Cairo and finished runner-up at another ITF event at Monastir,[8] winning 11 of his past 12 matches. He raised 55 places to a new career-high of world No. 342 on 9 May 2022.[9]
In July, Tu made his debut on the ATP Challenger Tour in Rome, Georgia, where he lost to Yasutaka Uchiyama. The following week in Indianapolis, as an alternate, he won his first Challenger match against Michail Pervolarakis, but lost to Dominik Koepfer in the second round. He then made his first Challenger quarterfinal in Winnipeg, defeating seventh seed Gijs Brouwer in the second round, before losing to Enzo Couacaud. [citation needed] As a result he reached world No. 252 on 1 August 2022.[citation needed]
In October, Tu made his first Challenger semifinal in Seoul, after qualifying by beating Cho Se-hyuk and Mukund Sasikumar. In the main draw, he beat Kaichi Uchida, fellow qualifier Naoki Nakagawa and the fifth seed, compatriot Christopher O'Connell. He defeated the sixth seed, compatriot James Duckworth, in the semifinals to reach his first Challenger final where he defeated Wu Yibing in straight sets.[10] As a result, he moved more than 100 positions up in the rankings, at world No. 190 on 17 October 2022.[citation needed]
2023: First ATP Tour win
[edit]In Newport, after qualifying for the main draw, Tu won his first match at ATP Tour level by beating Aleksandar Vukic in straight sets. This was also his first match win against a top 100 player.[11]
He entered the Mallorca Championships, also as qualifier, but lost his first-round match against lucky loser Pavel Kotov.[12]
He also entered the main draw at the Chengdu Open as a lucky loser and lost in the first round to Arthur Rinderknech.[13]
2024: US Open debut
[edit]He qualified for his home tournament, the Brisbane International.[citation needed]
He again qualified for the Hall of Fame Open, losing to Eliot Spizzirri in the first round.[14] He also qualified for the main draw of the US Open making his debut at this major.[15] In the first round, he lost to third seed Carlos Alcaraz in four sets.[16]
2025: Adelaide International second round
[edit]As a wildcard entrant, Tu defeated James Duckworth to reach the second round at the Adelaide International,[17] where he lost to Benjamin Bonzi.[18] Again given entry to the main draw as a wildcard at the Australian Open, he lost to 24th seed Jiří Lehečka in the first round.[19]
Performance timelines
[edit]| W | F | SF | QF | #R | RR | Q# | P# | DNQ | A | Z# | PO | G | S | B | NMS | NTI | P | NH |
| Tournament | 2021 | 2022 | 2023 | 2024 | 2025 | SR | W–L | Win % |
|---|---|---|---|---|---|---|---|---|
| Grand Slam tournaments | ||||||||
| Australian Open | 1R | Q1 | Q2 | Q1 | 1R | 0 / 2 | 0–2 | 0% |
| French Open | A | A | Q1 | Q2 | Q1 | 0 / 0 | 0–0 | – |
| Wimbledon | A | A | A | Q2 | Q3 | 0 / 0 | 0–0 | – |
| US Open | A | A | A | 1R | A | 0 / 1 | 0–1 | 0% |
| Win–loss | 0–1 | 0–0 | 0–0 | 0–1 | 0–1 | 0 / 3 | 0–3 | 0% |
| ATP Masters 1000 | ||||||||
| Indian Wells Masters | A | A | A | A | 1R | 0 / 1 | 0–1 | 0% |
| Miami Open | A | A | A | A | A | 0 / 0 | 0–0 | – |
| Monte Carlo Masters | A | A | A | A | A | 0 / 0 | 0–0 | – |
| Madrid Open | A | A | A | A | A | 0 / 0 | 0-0 | – |
| Italian Open | A | A | A | A | A | 0 / 0 | 0–0 | – |
| Canadian Open | A | A | A | A | Q1 | 0 / 0 | 0–0 | – |
| Cincinnati Masters | A | A | A | A | Q2 | 0 / 0 | 0–0 | – |
| Shanghai Masters | NH | Q2 | 1R | A | 0 / 1 | 0–1 | 0% | |
| Paris Masters | A | A | A | A | 0 / 0 | 0–0 | – | |
| Win–loss | 0–0 | 0–0 | 0–0 | 0–1 | 0–1 | 0 / 2 | 0–2 | 0% |
Personal life
[edit]Tu was born in Adelaide to Chinese immigrant parents. His mother, Yu Ping Zheng, died in 2022.[20]
ATP Challenger Tour finals
[edit]Singles: 3 (1 title, 2 runner-ups)
[edit]
|
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
|---|---|---|---|---|---|---|---|
| Win | 1–0 | Oct 2022 | Seoul Open, South Korea | Challenger | Hard | 7–6(7–5), 6–4 | |
| Loss | 1–1 | Jul 2024 | Lexington Challenger, USA | Challenger | Hard | 1–6, 4–6 | |
| Loss | 1–2 | Nov 2024 | Keio Challenger, Japan | Challenger | Hard | 7–6(7–4), 4–6, 2–6 |
Doubles: 1 (1 title)
[edit]
|
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|---|
| Win | 1–0 | Jul 2024 | Chicago Men's Challenger, USA | Challenger | Hard | 6–4, 3–6, [10–3] |
ITF World Tennis Tour finals
[edit]Singles: 13 (9 titles, 4 runner-ups)
[edit]
|
|
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
|---|---|---|---|---|---|---|---|
| Win | 1–0 | Aug 2021 | M15 Monastir, Tunisia | WTT | Hard | 6–1, 6–1 | |
| Win | 2–0 | Sep 2021 | M15 Monastir, Tunisia | WTT | Hard | 6–2, 6–1 | |
| Win | 3–0 | Sep 2021 | M15 Monastir, Tunisia | WTT | Hard | 3–6, 6–1, 6–2 | |
| Win | 4–0 | Nov 2021 | M25 Saint-Dizier, France | WTT | Hard (i) | 1–6, 6–1, 6–4 | |
| Win | 5–0 | Feb 2022 | M25 Bendigo, Australia | WTT | Hard | 6–3, 6–1 | |
| Win | 6–0 | May 2022 | M25 Cairo, Egypt | WTT | Clay | 6–4, 3–6, 6–4 | |
| Loss | 6–1 | May 2022 | M15 Monastir, Tunisia | WTT | Hard | 4–6, 2–6 | |
| Win | 7–1 | May 2022 | M25 Monastir, Tunisia | WTT | Hard | 6–7(3–7), 6–4, 7–6(7–4) | |
| Loss | 7–2 | Jul 2022 | M15 Waco, Texas, USA | WTT | Hard | 5–7, 6–0, 1–6 | |
| Win | 8–2 | Apr 2023 | M15 Monastir, Tunisia | WTT | Hard | 3–6, 6–4, 6–4 | |
| Loss | 8–3 | Apr 2023 | M15 Monastir, Tunisia | WTT | Hard | 3–6, 0–3, ret. | |
| Loss | 8–4 | Feb 2024 | M25 Traralgon, Australia | WTT | Hard | 6–7(1–7), 2–6 | |
| Win | 9–4 | Mar 2024 | M25 Traralgon, Australia | WTT | Hard | 6–4, 6–2 |
Doubles: 5 (4 titles, 1 runner-up)
[edit]
|
|
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|---|
| Win | 1–0 | Aug 2021 | M15 Monastir, Tunisia | WTT | Hard | 6–4, 6–2 | ||
| Win | 2–0 | Sep 2021 | M15 Monastir, Tunisia | WTT | Hard | 6–0, 6–4 | ||
| Win | 3–0 | Feb 2022 | M25 Canberra, Australia | WTT | Hard | 6–3, 7–5 | ||
| Loss | 3–1 | Mar 2022 | M25 Bendigo, Australia | WTT | Hard | 5–7, 7–6, [7–10] | ||
| Win | 4–1 | Mar 2022 | M25 Canberra, Australia | WTT | Clay | 7–6, 3–6, [10–7] |
References
[edit]- ^ "Li Tu | Overview | ATP Tour | Tennis". ATP Tour.
- ^ ""If I play my best I can beat half the draw" Unranked wildcard Li Tu ready to turn heads". The Age. 6 February 2021.
- ^ a b c Rogers, Leigh (30 August 2021). "Ranking Movers". Tennis Australia. Retrieved 30 August 2021.
- ^ "Albert Ramos sigue adelante en el Murray River Open". as.com. February 2021.
- ^ "De Minaur delivers". Tennis Australia. 9 February 2021. Retrieved 20 September 2021.
- ^ Rogers, Leigh (20 September 2021). "Ranking Movers". Tennis Australia. Retrieved 20 September 2021.
- ^ "Aussie Men Exit Australian Open Qualifying". Tennis Australia. 12 January 2022. Retrieved 14 January 2022.
- ^ "From 'unbelievable' Australian Open chance to triumph in Egypt: Li Tu reaping rewards of six-year break from tennis". www.sportingnews.com. 5 May 2022. Retrieved 28 March 2023.
- ^ "Ranking movers: Li Tu climbs to new career-high". tennis.com.
- ^ "Australian tennis player Li Tu wins emotional first ATP Challenger title". www.sportingnews.com. 17 October 2022. Retrieved 8 September 2023.
- ^ "Li Tu records milestone victory in all-Australian battle at Newport". Tennis Australia. Retrieved 8 September 2023.
- ^ "Mallorca Open: Kotov knocks out qualifier Li Tu to make second round". Tennis Majors. Retrieved 13 January 2025.
- ^ "Chengdu Open: Rinderknech books spot in second round". Tennis Majors. Retrieved 13 January 2025.
- ^ "Hall of Fame Open: Spizzirri sees off Tu for second round berth". Tennis Majors. Retrieved 13 January 2025.
- ^ "A record-breaking six Australians qualify at US Open 2024". 22 August 2024.
- ^ "How Aussie tennis pro Li Tu lost to Carlos Alcaraz in the U.S. Open but won over fans online". NBC News. Retrieved 13 January 2025.
- ^ "Adelaide Open: Tu moves into second round". Tennis Majors. Retrieved 13 January 2025.
- ^ "ATP Adelaide: Qualifier Bonzi reaches quarter-finals". Tennis Majors. Retrieved 13 January 2025.
- ^ "Australian Open: Lehecka comes through Tu test to make second round". Tennis Majors. Retrieved 13 January 2025.
- ^ Huntsdale, Duncan (21 October 2022). "Rising Australian tennis player Li Tu's emotional Challenger Tour breakthrough comes weeks after mother's death". ABC News. Retrieved 1 August 2024.
External links
[edit]- Li Tu at the Association of Tennis Professionals
- Li Tu at the International Tennis Federation
- Li Tu at Tennis Australia
- Li Tu at Universal Tennis
Li Tu
View on GrokipediaCareer
2011–2014: Pro debut and retirement
Li Tu made his professional debut on the ITF Futures circuit in 2011 at the age of 15, competing in several Australian events but struggling to secure wins, losing in the first round of his initial four tournaments.[7] As a promising junior who had represented Australia in the Junior Davis Cup in 2012 and made his Grand Slam debut at the 2012 Australian Open Junior Championships, Tu balanced pro appearances with junior commitments, reaching the world's top 700 in junior rankings that year.[8] However, his early pro results remained limited, with no recorded titles or deep runs until 2014. In 2014, Tu experienced a brief resurgence on the ITF circuit. He claimed his first professional match win in February at an Australian Futures event, followed by a second-round appearance at another domestic tournament later that month. His most notable achievement came in April at the Australia F5 Futures in Glen Iris, where, as a wildcard, he reached the quarterfinals—defeating compatriot Jonathon Cooper in the first round before falling to Bradley Mousley in the second—marking his best pro result at the time.[7][9] Despite this progress, the pressures of transitioning from a top junior prospect—where he had rivaled players like Thanasi Kokkinakis for Australia's No. 1 spot—to the professional level proved overwhelming. Citing burnout and excessive expectations, Tu retired from competitive tennis in June 2014 at age 18, shifting focus to education and eventually earning a Bachelor of Commerce from the University of Adelaide in 2017.[10][11]2020–2021: Return, ATP and major debut, four ITF titles
After a six-year retirement due to burnout and excessive expectations, Li Tu returned to competitive tennis in 2020 by competing in the UTR Pro Tennis Series in Australia, where he compiled a strong 34–2 record across events in 2020 and early 2021.[8] This success on the alternative professional circuit, which emphasized universal tennis ratings over traditional rankings, reignited his career and led to opportunities on higher-level tours.[4] Tu made his ATP Tour debut in February 2021 at the Murray River Open in Melbourne, entering the main draw as a wildcard; he lost in the first round to qualifier Yasutaka Uchiyama, 6–3, 3–6, 2–6.[12] Later that month, he received a wildcard for the Australian Open, marking his Grand Slam main-draw debut; in the first round, he fell to Feliciano López, 4–6, 7–6(7–2), 3–6, 3–6.[8][11] Building momentum from his domestic performances, Tu ventured internationally in mid-2021, focusing on the ITF World Tennis Tour in Tunisia. As an unranked player, he claimed his first ITF singles title in August 2021 at the M15 Monastir event, defeating Vít Kopřiva 6–3, 6–4 in the final after qualifying.[12] He followed this with three more consecutive M15 titles in Monastir later that year—on September 5 against Murkel Dellien (6–1, 6–1), September 12 against Sathish Kumar Mukkala (6–2, 6–3), and October 3 against Nick Lajović (6–1, 6–3)—all on hard courts, bringing his total to four ITF titles for the period and elevating his ranking to No. 517 by year's end.[4][12] These wins highlighted his aggressive baseline game and resilience, establishing a foundation for further professional growth.2022: Maiden Challenger title, top 200 debut
In 2022, Li Tu continued his resurgence on the professional circuit, building on his 2021 ITF successes with consistent performances across lower-tier events. Early in the year, he secured his first title at the M25 Bendigo ITF tournament on hard courts in February, defeating fellow Australian Li Yuan in the final. This victory contributed to his steady climb up the rankings, as he accumulated points through additional deep runs in Australian ITF events, including semifinals in Canberra and quarterfinals in multiple M25 stops. By mid-year, Tu had ventured internationally, reaching finals in clay-court ITF tournaments in Egypt and Tunisia, which helped him approach the top 500 in the ATP rankings. He won the M25 Cairo title in May.[4] Tu's breakthrough came in October at the Seoul Challenger, his seventh appearance on the ATP Challenger Tour. Entering as a qualifier ranked outside the top 300, he navigated a grueling path to the title, winning seven consecutive matches over 10 days. In qualifying, he overcame Hong Seong-chan and Tomohiro Masabayashi, both in straight sets. In the main draw, Tu upset higher-ranked opponents, including a 6-4, 7-6(4) quarterfinal victory over Japan's Yuta Shimizu and a 6-3, 7-6(5) semifinal win against compatriot Christopher O'Connell. The final against China's Yibing Wu, a former top-50 player, was a tense affair that Tu clinched 7-6(5), 6-4, saving multiple break points in the second set to secure his maiden Challenger crown. The triumph was particularly poignant, occurring just weeks after the death of his mother from cancer on September 24; Tu dedicated the title to her, noting it fell on the eve of her birthday.[5] The Seoul victory propelled Tu into the ATP top 200 for the first time, debuting at No. 190 in the rankings update on October 17, 2022—a leap of over 100 spots from his pre-tournament position. This marked a career-high at the time and validated his return to professional tennis after a six-year hiatus, earning him $16,000 in prize money and significant momentum heading into the season's end.[13][5]2023: First ATP Tour win
In 2023, Li Tu sought to build on his rising Challenger-level success by targeting more ATP Tour main draw opportunities, starting with qualifying efforts at major events. He advanced through the first round of Australian Open qualifying with a 6-2, 6-2 victory over Jozef Kovalík but fell in the second round to Laurent Lokoli 4-6, 4-6.[14][15] Later attempts in qualifying for tournaments like the Brisbane International and Shanghai Masters yielded mixed results, with Tu reaching the final qualifying round in Brisbane before losing to Daniel Elahi Galán 1-2.[16] Tu's first main draw appearance of the year came at the Mallorca Championships, an ATP 250 grass-court event in June, where he qualified but was defeated in the first round by lucky loser Pavel Kotov 7-6(4), 3-6.[17] His breakthrough arrived a month later at the Infosys Hall of Fame Open in Newport, another ATP 250 on grass. Ranked No. 252, Tu qualified for the main draw by beating Illya Marchenko and Matija Pecotić in straight sets.[18][19] In the opening round at Newport, Tu faced fellow Australian Aleksandar Vukic, ranked No. 83, and delivered a composed performance to win 6-3, 7-6(6), securing his maiden ATP Tour main draw victory after more than two years on the circuit.[20][11] The match highlighted Tu's improving grass-court game, as he converted key break points and held serve under pressure in the tight second-set tiebreak. This result propelled him into the second round, where he put up a strong fight against American Mackenzie McDonald before falling 4-6, 6-7(5).[21] Tu closed the year with another main draw entry at the Chengdu Open in September, entering as a lucky loser after qualifying losses. He met Frenchman Arthur Rinderknech in the first round and lost a hard-fought contest 7-6(5), 6-7(6).[22][23] Overall, Tu's 2023 ATP Tour singles record stood at 1-3, reflecting his growing presence at the elite level while he continued to accumulate Challenger points to climb the rankings. He also won his seventh ITF singles title at the M15 Monastir event in December.[11][24]2024: US Open debut
In 2024, Li Tu qualified for the main draw of the US Open for the first time in his career, marking his debut at the tournament after winning three qualifying rounds.[25][10] Ranked No. 186 at the time, Tu navigated strong opponents, including a three-set victory over Jesper de Jong in the final qualifying round, to reach the main draw bracket.[10] Tu faced world No. 3 Carlos Alcaraz in the first round on August 27, 2024, at Arthur Ashe Stadium.[25] The match was a hard-fought affair, with Tu showing resilience by winning the second set 6-4 after dropping the first 2-6. Alcaraz ultimately prevailed 6-2, 4-6, 6-3, 6-1, but Tu's performance pushed the defending champion and four-time Grand Slam winner to four sets and drew praise for its competitiveness.[26] Despite the loss, Tu's debut highlighted his growing presence on the ATP Tour, as he became the first Australian qualifier to face Alcaraz at a major since 2022.[10] The US Open appearance was emotionally significant for Tu, who dedicated his efforts to his late mother, reflecting on personal challenges that fueled his return to professional tennis.[10] This debut capped a resurgent year for Tu, who had climbed into the top 200 earlier in 2024 through consistent Challenger-level results and won an ITF M25 title in Traralgon in September. He also secured his first ATP Challenger doubles title in Chicago in July.[10][24]2025: Adelaide International second round
As a wildcard entrant into the main draw of the 2025 Adelaide International, an ATP 250 hard-court event held in Adelaide, Australia, Li Tu competed in the first round against compatriot James Duckworth on 7 January.[27][28] Tu dominated the opening set, breaking Duckworth multiple times to secure a 6–1 victory, before edging a tighter second set 7–5 after saving break points in key moments, thus advancing to the second round for the first time at this tournament.[29][28] In the second round on 8 January, Tu faced French qualifier Benjamin Bonzi, ranked significantly higher at the time.[30] Bonzi, who had come through qualifying, proved too strong, winning 6–3, 6–3 in straight sets over 1 hour and 35 minutes, with Tu struggling to convert break opportunities against Bonzi's consistent serving and baseline play.[30] This result earned Tu 45 ATP ranking points and marked his earliest exit at the Adelaide International since his return to professional tennis.[30] Throughout 2025, Tu achieved his career-high ATP singles ranking of No. 160 on July 14, driven by strong performances on the Challenger circuit, including deep runs that boosted his standing before ending the year at No. 256 as of November.[31]Performance timelines
Grand Slam tournament performance timeline
| Tournament | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Australian Open | 1R | A | A | A | 1R |
| French Open | A | A | A | Q2 | Q1 |
| Wimbledon | A | A | A | Q1 | Q3 |
| US Open | A | A | A | 1R | A |
ATP Tour singles performance timeline
| Tournament | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Australian Open | 1R | A | A | A | 2R |
| French Open | A | A | A | A | A |
| Wimbledon | A | A | A | A | A |
| US Open | A | A | A | 1R | A |
| ATP Masters 1000 |
|---|
| Indian Wells |
| Miami Open |
| Monte-Carlo Masters |
| Madrid Open |
| Italian Open |
| Canadian Open |
| Cincinnati Masters |
| Shanghai Masters |
| Paris Masters |
- A = did not participate in the tournament
- 1R = reached first round
- 2R = reached second round
- Q# = reached # round of qualifying
- 2025: as of November 18, 2025.[1][25][32]
Personal life
Tu was born in Adelaide, Australia, to Chinese immigrant parents Yi Xing Tu and Yu Ping Zheng, who own a bean sprout business.[11][3] His mother died of lung cancer in September 2022.[11] He has an older brother, Chen, born in China and ten years his senior, who played badminton; Tu began playing tennis at age five after his brother's coach noticed his hand-eye coordination during a badminton session.[11] Tu married Kimberley in September 2022 in a small ceremony attended by his mother shortly before her death; the couple had met on a flight from Sydney to Adelaide two years earlier.[33] His nickname is "Tuey".[11] He speaks English and Chinese.[11] Tu attended Prince Alfred College for years 11 and 12 before earning a Bachelor of Commerce from the University of Adelaide in 2017.[3] Among his hobbies, Tu supports the Port Adelaide Football Club in the Australian Football League and enjoys gaming, sushi, and watching TV shows such as ''Suits''.[11]ATP Challenger Tour finals
Singles: 3 (1 title, 2 runner-ups)
| Result | Year | Tournament | Surface | Opponent | Score |
|---|---|---|---|---|---|
| Win | 2022 | Seoul, South Korea | Hard | Wu Yibing | 7–6(5), 6–4 [5] |
| Loss | 2024 | Lexington, United States | Hard | João Fonseca | 1–6, 4–6 [34] |
| Loss | 2024 | Yokohama, Japan | Hard | Yuta Shimizu | 6–7(4), 4–6, 2–6 [35] |
Doubles: 1 (1 title)
Li Tu reached one doubles final on the ATP Challenger Tour, securing his maiden title in the discipline.| Result | Date | Tournament | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|
| Win | Jul 2024 | Chicago, United States | Hard | Luke Saville | Mac Kiger Benjamin Sigouin | 6–4, 3–6, [10–3] |
ITF World Tennis Tour finals
Singles: 13 (9 titles, 4 runner-ups)
Li Tu achieved significant success on the ITF World Tennis Tour in singles, reaching 13 finals and securing 9 titles between 2021 and 2024, primarily on hard courts. His breakthrough came in 2021 during a series of M15 events in Monastir, Tunisia, where he captured four titles, starting with his maiden professional win as a qualifier in September. These victories, including subsequent triumphs over opponents like Tomohiro Masabayashi and Yuta Shimizu, highlighted his adaptability and consistency in extended tournament runs, contributing to his overall 82–17 record on the ITF circuit since his 2021 comeback. In 2022, Tu continued his momentum with titles in Cairo, Egypt (M15) and Bendigo, Australia (M25, defeating Andrew Harris 6–3, 6–1 shortly after a family tragedy), while also reaching runner-up finishes, such as in Waco, Texas (losing to Adam Walton 5–7, 6–0, 1–6). By early 2023, he had amassed seven ITF titles overall, with additional wins like the M15 Traralgon in 2024 (defeating Alex Bolt 6–2, 6–3) further solidifying his record. No additional ITF finals were reached in 2025 as of November 2025. These results, often in lower-tier M15 and M25 events, were instrumental in elevating his ranking from outside the top 500 to within the top 200, though he faced four runner-up losses that tested his resilience against emerging talents. Tu's ITF finals performances underscored his aggressive baseline game and mental fortitude, paving the way for transitions to Challenger and ATP Tour levels.Doubles: 5 (4 titles, 1 runner-up)
Li Tu achieved notable success in doubles on the ITF World Tennis Tour, reaching five finals and capturing four titles while finishing as runner-up in one. His doubles partnerships demonstrated his adaptability across hard court surfaces, often pairing with fellow Australians or regional players to secure victories in competitive fields. No additional doubles finals reached in 2025 as of November 2025. In late August 2021, Tu partnered with Jeremy Beale to win the doubles title at the M15 Monastir tournament in Tunisia, defeating Peter Bertran and Mwendwa Mbithi 6–2, 6–3 in the final. Shortly thereafter in September 2021, he teamed with New Zealand's Ajeet Rai at another M15 event in Monastir, advancing to the final after a 6-4, 6-4 semifinal victory over Lorenzo Claverie and Giorgio Ricca, defeating Martin Breysach and Lilian Marmousez 6–4, 6–4 in the final. Tu continued his doubles momentum in 2022 with back-to-back titles at home in Australia. In February, he and Dane Sweeny claimed the M25 Canberra crown, overcoming James Court and David Hough 6–3, 7–5 in the final to mark Sweeny's first ITF doubles title. Later that April, the same duo defended their form on clay at the M25 Canberra event, edging out Matthew Romios and Eric Vanshelboim 7-6(3), 3-6, [10-7] in a hard-fought decider. In July 2022, Tu added a fourth title at the M15 Monastir in Tunisia, partnering with Britain's William Nolan to secure the win amid a strong run that also saw him reach the singles semifinals. These achievements contributed to Tu's career-high doubles ranking and underscored his role as a reliable partner in early professional events, blending aggressive serving with solid net play.| Tournament | Date | Partner | Opponents (Final) | Score | Outcome |
|---|---|---|---|---|---|
| M15 Monastir (Tunisia) | Aug 2021 | Jeremy Beale | Peter Bertran / Mwendwa Mbithi | 6-2, 6-3 | Win |
| M15 Monastir (Tunisia) | Sep 2021 | Ajeet Rai | Martin Breysach / Lilian Marmousez | 6-4, 6-4 | Win |
| M25 Canberra (Australia) | Feb 2022 | Dane Sweeny | James Court / David Hough | 6-3, 7-5 | Win |
| M25 Canberra (Australia) | Apr 2022 | Dane Sweeny | Matthew Romios / Eric Vanshelboim | 7-6(3), 3-6, [10-7] | Win |
| M15 Monastir (Tunisia) | Jul 2022 | William Nolan | Unknown | Unknown | Win |