Astana CH 2021 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Max Purcell | d. | Jay Clarke | 3-6 6-4 7-6(6) |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Jay Clarke | d. | Borna Gojo | 6-4 6-4 |
| Max Purcell | d. | Peter Polansky | 7-5 3-6 7-6(3) |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Borna Gojo | d. | Mirza Basic | 2-6 7-6(2) 6-2 |
| Jay Clarke | d. | Jason Kubler | 3-6 7-5 7-6(1) |
| Max Purcell | d. | Yu Hsiou Hsu | 6-2 6-1 |
| Peter Polansky | d. | Roman Safiullin | 6-2 1-6 7-6(4) |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Mirza Basic | d. | Ryan Peniston | 6-3 6-1 |
| Borna Gojo | d. | Chun Hsin Tseng | 6-1 6-2 |
| Jay Clarke | d. | Beibit Zhukayev | 6-3 6-3 |
| Jason Kubler | d. | Sergiy Stakhovsky | 6-2 3-6 6-2 |
| Yu Hsiou Hsu | d. | Evgeny Karlovskiy | 6-3 6-0 |
| Max Purcell | d. | Tung Lin Wu | 3-6 7-6(4) 6-2 |
| Peter Polansky | d. | Andrey Kuznetsov | 6-4 6-3 |
| Roman Safiullin | d. | Yunseong Chung | 6-3 6-4 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Ryan Peniston | d. | Denis Istomin | 6-1 3-6 6-3 |
| Mirza Basic | d. | Denis Yevseyev | 6-3 6-3 |
| Chun Hsin Tseng | d. | Corentin Denolly | 6-2 3-6 6-3 |
| Borna Gojo | d. | Khumoun Sultanov | 7-6(3) 6-1 |
| Jay Clarke | d. | Artem Dubrivnyy | 7-5 7-6(3) |
| Beibit Zhukayev | d. | Nick Chappell | 4-6 6-3 7-6(6) |
| Jason Kubler | d. | Dostanbek Tashbulatov | 6-1 6-3 |
| Sergiy Stakhovsky | d. | Pavel Kotov | 7-5 6-2 |
| Yu Hsiou Hsu | d. | Hugo Grenier | 6-4 6-2 |
| Evgeny Karlovskiy | d. | Lucas Catarina | 6-4 6-2 |
| Tung Lin Wu | d. | Oleksii Krutykh | 6-3 6-4 |
| Max Purcell | d. | Alessandro Bega | 2-6 6-2 7-5 |
| Peter Polansky | d. | Grigoriy Lomakin | 6-4 7-6(4) |
| Andrey Kuznetsov | d. | Akira Santillan | 6-4 6-3 |
| Yunseong Chung | d. | Yan Bondarevskiy | 6-3 6-4 |
| Roman Safiullin | d. | Malek Jaziri | 6-4 6-2 |
Qualifying round 2
| Winner | Loser | Score | |
|---|---|---|---|
| Artem Dubrivnyy | d. | Edan Leshem | 7-6(4) 7-6(3) |
| Oleksii Krutykh | d. | Ergi Kirkin | 6-1 7-6(4) |
| Yan Bondarevskiy | d. | Benjamin Lock | 2-6 7-6(11) 6-2 |
| Andrey Kuznetsov | d. | Yshai Oliel | 7-5 6-4 |
Qualifying round 1
| Winner | Loser | Score | |
|---|---|---|---|
| Artem Dubrivnyy | d. | Islam Orynbasar | 6-1 6-3 |
| Edan Leshem | d. | Alexandr Igoshin | 6-2 6-3 |
| Oleksii Krutykh | d. | Yerassyl Yerdilda | 6-0 6-0 |
| Ergi Kirkin | d. | Timur Mukhtarulin | 6-2 6-0 |
| Benjamin Lock | d. | Vladyslav Manafov | 7-6(3) 6-3 |
| Yan Bondarevskiy | d. | Alexey Zakharov | 5-7 6-4 6-2 |
| Yshai Oliel | d. | Sanjar Fayziev | 6-1 6-7(2) 6-1 |
| Andrey Kuznetsov | d. | Sergey Fomin | 6-3 6-1 |