Nur-Sultan 4 CH 2021 ATP
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Andrey Kuznetsov | m. | Jason Kubler | 6-3 2-1 RET |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Jason Kubler | m. | Oleksii Krutykh | 6-1 6-3 |
| Andrey Kuznetsov | m. | Pavel Kotov | 6-2 6-7(4) 6-4 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Oleksii Krutykh | m. | Nick Chappell | 3-6 6-3 7-5 |
| Jason Kubler | m. | Hugo Grenier | 7-6(4) 6-1 |
| Andrey Kuznetsov | m. | Peter Polansky | 6-2 3-6 6-2 |
| Pavel Kotov | m. | Ryan Peniston | 6-4 6-2 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Nick Chappell | m. | Sergiy Stakhovsky | 7-6(4) 6-4 |
| Oleksii Krutykh | m. | Mirza Basic | 4-6 7-5 6-2 |
| Hugo Grenier | m. | Ivan Nedelko | 6-5 RET |
| Jason Kubler | m. | Chun Hsin Tseng | 0-6 6-3 7-5 |
| Peter Polansky | m. | Malek Jaziri | 3-6 7-5 7-6(4) |
| Andrey Kuznetsov | m. | Beibit Zhukayev | 6-2 7-5 |
| Pavel Kotov | m. | Jesper De Jong | 6-3 7-6(3) |
| Ryan Peniston | m. | Yu Hsiou Hsu | 6-3 6-4 |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Sergiy Stakhovsky | m. | Benjamin Lock | 6-3 3-6 7-5 |
| Nick Chappell | m. | Grigoriy Lomakin | 6-3 7-6(3) |
| Mirza Basic | m. | Akira Santillan | 6-2 6-2 |
| Oleksii Krutykh | m. | Tung Lin Wu | 6-2 6-2 |
| Hugo Grenier | m. | Yunseong Chung | 6-7(5) 6-3 6-1 |
| Ivan Nedelko | m. | Dostanbek Tashbulatov | 6-3 6-2 |
| Jason Kubler | m. | Khumoun Sultanov | 6-3 7-5 |
| Chun Hsin Tseng | m. | Corentin Denolly | 6-4 6-4 |
| Peter Polansky | m. | Artem Dubrivnyy | 7-5 7-6(5) |
| Malek Jaziri | m. | Alexey Zakharov | 6-0 6-2 |
| Beibit Zhukayev | m. | Lucas Catarina | 6-2 6-4 |
| Andrey Kuznetsov | m. | Jay Clarke | 7-6(6) 6-4 |
| Jesper De Jong | m. | Denis Yevseyev | 4-6 6-0 6-3 |
| Pavel Kotov | m. | Edan Leshem | 3-6 6-1 6-4 |
| Yu Hsiou Hsu | m. | Alessandro Bega | 6-3 1-6 6-3 |
| Ryan Peniston | m. | Ergi Kirkin | 6-2 6-3 |
Kualifikasi babak 2
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Oleksii Krutykh | m. | Yshai Oliel | 3-6 6-3 6-2 |
| Artem Dubrivnyy | m. | Vladyslav Manafov | 6-2 7-6(5) |
| Edan Leshem | m. | Sanjar Fayziev | 6-2 6-4 |
| Benjamin Lock | m. | Ergi Kirkin | 7-5 6-7(4) 6-3 |
Kualifikasi babak 1
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Oleksii Krutykh | m. | Alexandr Igoshin | 4-6 6-1 6-2 |
| Yshai Oliel | m. | Kirill Kolganov | 6-2 6-0 |
| Vladyslav Manafov | m. | Sergey Fomin | W/O |
| Artem Dubrivnyy | m. | Timur Khabibulin | 6-2 6-4 |
| Sanjar Fayziev | m. | Markos Kalovelonis | 6-7(2) 6-3 7-6(5) |
| Edan Leshem | m. | Daniil Golubev | 6-0 6-1 |
| Benjamin Lock | m. | Danil Ozernoy | 6-4 6-0 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0