[29] Reilly Opelka 6-4,6-3,7-6 Vasil Kirkov [53] 2021-10-16 21:40
Stadium: Court 7 Round: 24 Ground: Hardcourt outdoor
Head to Head
| Wimbledon | 2021/06/28 16:15 | Reilly Opelka v Dominik Koepfer | 4-6,6-7,2-6 |
| ATP Madrid | 2021/05/03 10:50 | Dominik Koepfer v Reilly Opelka | 6-4,6-4 |
| US Open | 2019/08/29 01:35 | Reilly Opelka v Dominik Koepfer | 4-6,4-6,6-7 |
| Challenger Dallas | 2019/02/08 21:35 | Reilly Opelka v Dominik Koepfer | 7-6,3-6,7-6 |
| Challenger Cary | 2018/09/13 17:50 | Dominik Koepfer v Reilly Opelka | 6-7,4-6 |
| Challenger Chicago | 2018/09/08 19:00 | Dominik Koepfer v Reilly Opelka | 3-6,6-7 |
Home History
| ATP Indian Wells | 2021/10/11 20:35 | Grigor Dimitrov v Reilly Opelka | 6-3,6-4 |
| ATP Indian Wells | 2021/10/09 18:00 | Taro Daniel v Reilly Opelka | 5-7,3-6 |
| Laver Cup | 2021/09/24 17:00 | Casper Ruud v Reilly Opelka | 6-3,7-6 |
| US Open | 2021/09/06 17:25 | Reilly Opelka v Lloyd Harris | 7-6,4-6,1-6,3-6 |
| US Open | 2021/09/04 23:10 | Nikoloz Basilashvili v Reilly Opelka | 6-7,3-6,4-6 |
| US Open | 2021/09/02 16:00 | Lorenzo Musetti v Reilly Opelka | 6-7,5-7,4-6 |
| US Open | 2021/08/31 15:00 | Soonwoo Kwon v Reilly Opelka | 6-7,4-6,4-6 |
| ATP Cincinnati | 2021/08/18 17:25 | Casper Ruud v Reilly Opelka | 6-7,6-0,7-6 |
Away History
| ATP Indian Wells | 2021/10/08 18:00 | Dominik Koepfer v Emil Ruusuvuori | 7-6,2-6,0-6 |
| ATP San Diego | 2021/09/28 20:00 | Dominik Koepfer v Cameron Norrie | 2-6,5-7 |
| US Open | 2021/09/01 17:30 | Dominik Koepfer v Daniil Medvedev | 4-6,1-6,2-6 |
| US Open | 2021/08/30 22:10 | Dominik Koepfer v Quentin Halys | 6-4,3-6,4-6,6-3,6-4 |
| ATP Winston-Salem | 2021/08/25 19:00 | Pablo Carreno Busta v Dominik Koepfer | 6-2,6-3 |
| ATP Winston-Salem | 2021/08/23 23:10 | Marco Cecchinato v Dominik Koepfer | 7-5,4-6,4-6 |
| ATP Cincinnati | 2021/08/18 14:00 | Dominik Koepfer v Pablo Carreno Busta | 4-6,2-6 |
| ATP Cincinnati | 2021/08/16 17:30 | Dominik Koepfer v Jan-Lennard Struff | 7-6,5-7,6-3 |