01/By surface
each with its own count, at equal weight
Hard
1-0
Z. leads 1-0 in 1 meeting on hard
Clay
Never on clay
no meeting on this surface
Grass
1-0
Z. leads 1-0 in 1 meeting on grass
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, Z. first |
|---|---|---|---|---|---|---|
| Jun 14, 2025 | Rosmalen Grass Court ChampionshipsATP250 | grass | semifinal | Bergs Z. | 6-1, 6-4 | 63 v 87 |
| Aug 18, 2024 | Winston-Salem Open at Wake Forest UniversityATP250 | hard | 1st round | Bergs Z. | 6-4, 3-6, 7-6 | 85 v 323 |
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. Bergs Z. and Opelka R. each carry the table against every opponent faced.