| 2018 Almaty Challenger 2 | |
|---|---|
| Date | 1–6 October |
| Edition | 3rd |
| Draw | 32S / 16D |
| Surface | Hard |
| Location | Almaty, Kazakhstan |
| Champions | |
| Singles | |
 Denis Istomin | |
| Doubles | |
 Zdeněk Kolář / Lukáš Rosol | |
The 2018 Almaty Challenger 2 was a professional tennis tournament played on hard courts. It was the third edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Almaty, Kazakhstan between 1 and 6 October 2018.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| UZB
|
Denis Istomin | 64 | 1 |
 FRA |
|||
 BIH
|
Mirza Bašić | 79 | 3 |
| FRA
|
Quentin Halys | 146 | 4 |
 CAN
|
Félix Auger-Aliassime | 147 | 5 |
 ESP
|
Enrique López Pérez | 163 | 6 |
 SRB
|
Miomir Kecmanović | 168 | 7 |
| CZE
|
Lukáš Rosol | 177 | 8 |
The following players received entry into the singles main draw as wildcards:
Sagadat Ayap Dostanbek Tashbulatov Denis YevseyevThe following players received entry from the qualifying draw:
The following players received entry as lucky losers:
Denis Istomin def. Nikola Milojević 6–7(4–7), 7–6(7–5), 6–2. Zdeněk Kolář / Lukáš Rosol def. 
Evgeny Karlovskiy / Timur Khabibulin 6–3, 6–1.
