[53] Dominik Koepfer 6-4,6-4 Reilly Opelka [46] 2021-05-03 10:50
Stadium: Stadium 3 Round: 24 Ground: Clay
Head to Head
| 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 Munich | 2021/04/29 10:00 | Dominik Koepfer v Jan-Lennard Struff | 6-7,7-6,2-6 |
| ATP Munich | 2021/04/27 12:15 | Dominik Koepfer v Philipp Kohlschreiber | 4-6,6-4,6-3 |
| ATP Barcelona | 2021/04/20 09:00 | Dominik Koepfer v Corentin Moutet | 5-7,2-6 |
| ATP Monte Carlo | 2021/04/13 09:00 | Marco Cecchinato v Dominik Koepfer | 6-4,6-3 |
| ATP Monte Carlo | 2021/04/11 09:00 | Dominik Koepfer v Juan Ignacio Londero | 6-1,6-3 |
| ATP Monte Carlo | 2021/04/10 11:30 | Dominik Koepfer v Bernabe Zapata Miralles | 6-3,6-4 |
| ATP Miami | 2021/03/24 17:35 | Hugo Gaston v Dominik Koepfer | 6-1,6-4 |
| ATP Acapulco | 2021/03/20 02:00 | Dominik Koepfer v Alexander Zverev | 4-6,6-7 |
Away History
| ATP Miami | 2021/03/26 15:00 | Alexei Popyrin v Reilly Opelka | 6-4,6-2 |
| ATP Dubai | 2021/03/14 10:00 | Kei Nishikori v Reilly Opelka | 3-6,6-3,6-4 |
| ATP Doha | 2021/03/08 16:30 | Reilly Opelka v Roberto Bautista-Agut | 6-4,3-6,4-6 |
| ATP Rotterdam | 2021/03/01 21:15 | Marton Fucsovics v Reilly Opelka | 7-6,6-7,7-6 |
| Australian Open | 2021/02/10 04:50 | Reilly Opelka v Taylor Fritz | 6-4,6-7,7-6,6-7,2-6 |
| Australian Open | 2021/02/08 00:00 | Reilly Opelka v Yen-Hsun Lu | 6-3,7-6,6-3 |
| ATP Great Ocean Road Open | 2021/02/04 23:30 | Reilly Opelka v Botic Van De Zandschulp | 6-7,6-7 |
| ATP Great Ocean Road Open | 2021/02/03 07:05 | Reilly Opelka v Sergiy Stakhovsky | 7-6,6-4 |