[159] Mackenzie McDonald 3-6,4-6 Reilly Opelka [54] 2019-12-02 19:00
Stadium: Stadium Round: 26 Ground: Hardcourt outdoor
Head to Head
| Challenger Dallas | 2019/02/10 01:35 | Mackenzie McDonald v Reilly Opelka | 6-4,7-6 |
| Challenger Charlottesville | 2016/11/05 18:35 | Mackenzie McDonald v Reilly Opelka | 3-6,4-6 |
Home History
| French Open | 2019/05/28 09:00 | Yoshihito Nishioka v Mackenzie McDonald | 6-7,6-0,4-6,6-2,6-3 |
| ATP Lyon | 2019/05/21 11:35 | Benoit Paire v Mackenzie McDonald | 3-6,7-6,6-1 |
| ATP Madrid | 2019/05/04 13:45 | Mackenzie McDonald v Juan Ignacio Londero | 1-6,2-6 |
| ATP Estoril | 2019/04/29 12:00 | Yoshihito Nishioka v Mackenzie McDonald | 6-2,6-4 |
| ATP Barcelona | 2019/04/25 09:00 | Daniil Medvedev v Mackenzie McDonald | 6-3,6-2 |
| ATP Barcelona | 2019/04/24 10:30 | Mackenzie McDonald v Gilles Simon | 6-3,6-2 |
| ATP Barcelona | 2019/04/22 09:00 | Mackenzie McDonald v Taro Daniel | 6-2,6-2 |
| ATP Houston | 2019/04/09 19:00 | Mackenzie McDonald v Henri Laaksonen | 3-6,4-6 |
Away History
| Davis Cup | 2019/11/20 18:40 | Reilly Opelka v Fabio Fognini | 4-6,7-6,3-6 |
| Davis Cup | 2019/11/19 17:00 | Reilly Opelka v Vasek Pospisil | 6-7,6-7 |
| ATP Basel | 2019/10/26 12:30 | Reilly Opelka v Alex De Minaur | 6-7,7-6,6-7 |
| ATP Basel | 2019/10/25 14:00 | Reilly Opelka v Roberto Bautista-Agut | 6-3,3-6,6-3 |
| ATP Basel | 2019/10/24 12:00 | David Goffin v Reilly Opelka | 7-6,6-7,5-7 |
| ATP Basel | 2019/10/22 13:00 | Cristian Garin v Reilly Opelka | 6-7,6-7 |
| ATP Stockholm | 2019/10/14 13:35 | Stefano Travaglia v Reilly Opelka | 7-5,4-6,6-4 |
| ATP Shanghai | 2019/10/09 05:55 | Roberto Bautista-Agut v Reilly Opelka | 6-4,7-5 |