Istanbul 2 CH 2021 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| James Duckworth | d. | Tung Lin Wu | 6-4 6-2 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Tung Lin Wu | d. | Borna Gojo | 6-4 3-6 6-4 |
| James Duckworth | d. | Quentin Halys | 6-7(9) 6-3 6-4 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Tung Lin Wu | d. | Aldin Setkic | 6-3 6-2 |
| Borna Gojo | d. | Geoffrey Blancaneaux | 7-6(6) 6-4 |
| Quentin Halys | d. | Yasutaka Uchiyama | 7-5 6-2 |
| James Duckworth | d. | Hugo Grenier | 6-3 6-3 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Aldin Setkic | d. | Radu Albot | 4-6 6-3 7-5 |
| Tung Lin Wu | d. | Marc Polmans | 6-2 3-6 6-1 |
| Borna Gojo | d. | Evgeny Karlovskiy | 6-1 6-7(4) 7-6(5) |
| Geoffrey Blancaneaux | d. | Chun Hsin Tseng | 6-3 7-5 |
| Quentin Halys | d. | Illya Marchenko | 3-6 6-2 6-2 |
| Yasutaka Uchiyama | d. | Christopher Heyman | 3-6 6-3 6-4 |
| Hugo Grenier | d. | Evgeny Donskoy | 6-4 6-4 |
| James Duckworth | d. | Alexandre Muller | 6-3 6-2 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Radu Albot | d. | Matthew Ebden | 6-4 1-6 6-1 |
| Aldin Setkic | d. | Vlad Victor Cornea | 6-4 6-2 |
| Tung Lin Wu | d. | Tatsuma Ito | 6-3 6-2 |
| Marc Polmans | d. | Koray Kirci | 6-3 6-2 |
| Borna Gojo | d. | Daniel Elahi Galan | 6-4 3-6 6-2 |
| Evgeny Karlovskiy | d. | Evgenii Tiurnev | 7-5 4-6 6-0 |
| Chun Hsin Tseng | d. | Roberto Marcora | 6-1 2-6 6-4 |
| Geoffrey Blancaneaux | d. | Laurent Lokoli | 4-6 7-6(5) 6-1 |
| Illya Marchenko | d. | Thomas Fabbiano | 7-5 6-2 |
| Quentin Halys | d. | Bernard Tomic | 6-0 6-1 |
| Christopher Heyman | d. | Andrea Arnaboldi | 3-6 6-2 6-4 |
| Yasutaka Uchiyama | d. | Hiroki Moriya | 6-3 3-6 6-3 |
| Evgeny Donskoy | d. | Andrey Kuznetsov | 7-6(4) 6-1 |
| Hugo Grenier | d. | Sarp Agabigun | 6-4 3-6 6-4 |
| Alexandre Muller | d. | Nick Chappell | 6-4 6-2 |
| James Duckworth | d. | Lorenzo Giustino | 7-5 6-1 |
Qualifying round 2
| Winner | Loser | Score | |
|---|---|---|---|
| Aldin Setkic | d. | Elmar Ejupovic | 7-6(4) 6-7(10) 6-3 |
| Nick Chappell | d. | Alexander Shevchenko | 6-4 6-2 |
| Laurent Lokoli | d. | Adrian Andreev | 6-1 6-4 |
| Christopher Heyman | d. | Geoffrey Blancaneaux | 6-4 6-4 |
Qualifying round 1
| Winner | Loser | Score | |
|---|---|---|---|
| Aldin Setkic | d. | Kaichi Uchida | 6-4 6-3 |
| Alexander Shevchenko | d. | Berk Ilkel | 6-1 6-3 |
| Nick Chappell | d. | Danylo Kalenichenko | 7-6(7) 6-4 |
| Laurent Lokoli | d. | Yu Hsiou Hsu | 6-3 6-2 |
| Adrian Andreev | d. | Alexander Cozbinov | 6-4 6-4 |
| Christopher Heyman | d. | Artem Dubrivnyy | 6-3 6-2 |
| Geoffrey Blancaneaux | d. | Mircea Alexandru Jecan | 7-5 6-2 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0