| 2016 Dunlop World Challenge | |
|---|---|
| Date | 14–20 November |
| Edition | 9th |
| Category | ATP Challenger Tour ITF Women's Circuit |
| Prize money | $50,000+H (men) $50,000+H (women) |
| Surface | Hard (indoor) |
| Location | Toyota, Japan |
| Champions | |
| Men's singles | |
 James Duckworth | |
| Women's singles | |
 Aryna Sabalenka | |
| Men's doubles | |
| Matt Reid / John-Patrick Smith | |
| Women's doubles | |
 Ksenia Lykina /  Akiko Omae | |
The 2016 Dunlop World Challenge was a professional tennis tournament played on indoor hard courts. It was the 9th edition of the tournament and part of the 2016 ATP Challenger Tour and the 2016 ITF Women's Circuit, offering $50,000+H each in prize money for both men and women's events. It took place in Toyota, Japan, on 14–20 November 2016.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| JPN
|
Yoshihito Nishioka | 100 | 1 |
| JPN
|
Yūichi Sugita | 107 | 2 |
| JPN
|
Go Soeda | 119 | 3 |
 KOR
|
Chung Hyeon | 126 | 4 |
| AUS
|
James Duckworth | 130 | 5 |
| KOR
|
Lee Duck-hee | 151 | 6 |
| JPN
|
Tatsuma Ito | 177 | 7 |
| JPN
|
Hiroki Moriya | 182 | 8 |
The following players received wildcards into the singles main draw:
Makoto Ochi Yusuke Takahashi Yosuke Watanuki Yusuke WatanukiThe following players received entry from the qualifying draw:
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| JPN
|
Kurumi Nara | 78 | 1 |
| BLR
|
Aryna Sabalenka | 159 | 2 |
| RUS
|
Ksenia Lykina | 172 | 3 |
 UZB
|
Nigina Abduraimova | 178 | 4 |
 CRO
|
Jana Fett | 196 | 5 |
 USA
|
Jamie Loeb | 203 | 6 |
| JPN
|
Mayo Hibi | 209 | 7 |
| JPN
|
Shuko Aoyama | 218 | 8 |
The following player received a wildcard into the singles main draw:
The following players received entry from the qualifying draw:
James Duckworth def. Tatsuma Ito, 7–5, 4–6, 6–1 Aryna Sabalenka def. Lizette Cabrera, 6–2, 6–4 Matt Reid / John-Patrick Smith def. 
Jeevan Nedunchezhiyan / 
Christopher Rungkat, 6–3, 6–4 Ksenia Lykina / Akiko Omae def. Rika Fujiwara / Ayaka Okuno, 6–7(4–7), 6–2, [10–5]
