01/By surface
each with its own count, at equal weight
Hard
Never on hard
no meeting on this surface
Clay
2-0
A. leads 2-0 in 2 meetings 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, A. first |
|---|---|---|---|---|---|---|
| May 12, 2021 | Internazionali BNL d'ItaliaMasters 1000 | clay | 2nd round | Zverev A. | 6-2, 6-2 | 6 v 128 |
| May 23, 2019 | Geneva OpenATP250 | clay | quarterfinal | Zverev A. | 7-5, 3-6, 6-3 | 5 v 92 |
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. Zverev A. and Dellien H. each carry the table against every opponent faced.