01/By surface
each with its own count, at equal weight
Hard
0-1
A. leads 1-0 in 1 meeting on hard
Clay
0-1
A. leads 1-0 in 1 meeting on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, G. first |
|---|---|---|---|---|---|---|
| Apr 16, 2026 | BMW OpenATP500 | clay | 2nd round | Zverev A. | 6-1, 6-2 | 37 v 3 |
| Jan 18, 2026 | Australian OpenGrand Slam, best of 5 | hard | 1st round | Zverev A. | 6-7, 6-1, 6-4, 6-2 | 41 v 3 |
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. Diallo G. and Zverev A. each carry the table against every opponent faced.