[65] James Duckworth 6-7,3-6 Soonwoo Kwon [82] 2021-09-26 08:30
Stadium: Center Court Round: 29 Ground: Hardcourt indoor
Home History
| ATP Nur-Sultan | 2021/09/25 08:00 | Ilya Ivashka v James Duckworth | 3-6,6-7 |
| ATP Nur-Sultan | 2021/09/24 09:10 | James Duckworth v John Millman | 6-4,6-4 |
| ATP Nur-Sultan | 2021/09/23 10:10 | Filip Krajinovic v James Duckworth | 6-7,3-6 |
| ATP Nur-Sultan | 2021/09/22 14:20 | Mikhail Kukushkin v James Duckworth | 6-7,1-6 |
| Challenger Istanbul | 2021/09/19 12:00 | James Duckworth v Tung-Lin Wu | 6-4,6-2 |
| Challenger Istanbul | 2021/09/18 08:00 | James Duckworth v Quentin Halys | 6-7,6-3,6-4 |
| Challenger Istanbul | 2021/09/17 08:00 | James Duckworth v Hugo Grenier | 6-3,6-3 |
| Challenger Istanbul | 2021/09/15 09:10 | James Duckworth v Alexandre Muller | 6-3,6-2 |
Away History
| ATP Nur-Sultan | 2021/09/25 10:20 | Soonwoo Kwon v Alexander Bublik | 3-6,7-5,6-3 |
| ATP Nur-Sultan | 2021/09/24 10:55 | Laslo Djere v Soonwoo Kwon | 6-7,6-2,0-6 |
| ATP Nur-Sultan | 2021/09/23 06:00 | Soonwoo Kwon v Dusan Lajovic | 7-5,6-4 |
| ATP Nur-Sultan | 2021/09/22 06:00 | Soonwoo Kwon v Evgeny Donskoy | 6-4,6-3 |
| Davis Cup | 2021/09/18 16:50 | Rubin Statham v Soonwoo Kwon | 3-6,3-6 |
| Davis Cup | 2021/09/17 17:30 | Finn Reynolds v Soonwoo Kwon | 6-7,3-6 |
| US Open | 2021/08/31 15:00 | Soonwoo Kwon v Reilly Opelka | 6-7,4-6,4-6 |
| ATP Winston-Salem | 2021/08/24 19:00 | Pablo Carreno Busta v Soonwoo Kwon | 6-3,3-6,6-4 |