2021 President's Cup II – Doubles
# 2021 President's Cup II – Doubles

Hsu Yu-hsiou and Benjamin Lock were the defending champions and successfully defended their title, defeating Oleksii Krutykh and Grigoriy Lomakin 6–3, 6–4 in the final.

## Seeds

* Peter Polansky / Sergiy Stakhovsky (semifinals)
* Pavel Kotov / Vladyslav Manafov (first round, withdrew)
* Artem Dubrivnyy / Denis Yevseyev (first round)
* Hsu Yu-hsiou / Benjamin Lock (champions)

## Draw

### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

| First round | First round | First round | First round | First round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| | | | | | 1 | P Polansky S Stakhovsky | 6 | 6 | | | | | | | | | |
| | S Fayziev M Kalovelonis | 6 | 3 | [8] | WC | T Khabibulin B Zhukayev | 4 | 2 | | | | | | | | | |
| WC | T Khabibulin B Zhukayev | 3 | 6 | [10] | | | | | 1 | P Polansky S Stakhovsky | 3 | $7^9$ | [7] | | | | |
| 3 | A Dubrivnyy D Yevseyev | 3 | 2 | | | | | | | O Krutykh G Lomakin | 6 | $6^7$ | [10] | | | | |
| | O Krutykh G Lomakin | 6 | 6 | | | O Krutykh G Lomakin | 6 | 6 | | | | | | | | | |
| WC | Kirill Kolganov Maksim Maslov | 4 | 4 | | WC | D Ozernoy D Tashbulatov | 2 | 1 | | | | | | | | | |
| WC | Danil Ozernoy Dostanbek Tashbulatov | 6 | 6 | | | | | | | | | | | | O Krutykh G Lomakin | 3 | 4 |
| | Y-s Chung K Sultanov | 6 | 6 | | | | | | | | | | | 4 | Y-h Hsu B Lock | 6 | 6 |
| | A Bega C Denolly | 4 | 2 | | | Y-s Chung K Sultanov | | | | | | | | | | | |
| | J Clarke E Kırkın | | | | 4 | Y-h Hsu B Lock | w/o | | | | | | | | | | |
| 4 | Y-h Hsu B Lock | w/o | | | | | | | 4 | Y-h Hsu B Lock | 6 | 6 | | | | | |
| | Alexander Igoshin I Nedelko | $6^0$ | 5 | | | | | | | D Golubev A Zakharov | 1 | 1 | | | | | |
| | J Kubler A Santillan | $7^7$ | 7 | | | J Kubler A Santillan | | | | | | | | | | | |
| | D Golubev Alexey Zakharov | w/o | | | | D Golubev A Zakharov | w/o | | | | | | | | | | |
| 2 | P Kotov V Manafov | | | | | | | | | | | | | | | | |
