01/By surface
each with its own count, at equal weight
Hard
2-0
A. leads 2-0 in 2 meetings on hard
Clay
2-0
A. leads 2-0 in 2 meetings on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
4 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, A. first |
|---|---|---|---|---|---|---|
| Oct 12, 2018 | Shanghai MastersMasters 1000 | hard | quarterfinal | Zverev A. | 6-4, 6-4 | 5 v 14 |
| May 17, 2018 | Internazionali BNL d'ItaliaMasters 1000 | clay | 3rd round | Zverev A. | 7-5, 7-6 | 3 v 19 |
| Oct 3, 2017 | China OpenATP500 | hard | 1st round | Zverev A. | 6-3, 7-6 | 4 v 47 |
| May 16, 2016 | Open de Nice Côte d’AzurATP250 | clay | 1st round | Zverev A.ret. | 5-7, 7-5 | 48 v 84 |
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 Edmund K. each carry the table against every opponent faced.