01/By surface
each with its own count, at equal weight
Hard
0-1
R. leads 1-0 in 1 meeting on hard
Clay
Never on clay
no meeting on this surface
Grass
0-1
R. leads 1-0 in 1 meeting on grass
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, M. first |
|---|---|---|---|---|---|---|
| Jul 18, 2024 | Hall of Fame ChampionshipsATP250 | grass | quarterfinal | Opelka R. | 4-6, 6-3, 6-4 | 99 v 1187 |
| Feb 19, 2020 | Delray Beach OpenATP250 | hard | 2nd round | Opelka R. | 6-3, 6-4 | 159 v 54 |
A record, never a share of meetings. Main-draw singles since 2013; a meeting ended by retirement is counted with the sets that were played and marked; a walkover is listed and counted in neither column. McDonald M. and Opelka R. each carry the table against every opponent faced.