01/By surface
each with its own count, at equal weight
Hard
1-0
H. leads 1-0 in 1 meeting on hard
Clay
1-1
Level 1-1 in 2 meetings on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
3 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, H. first |
|---|---|---|---|---|---|---|
| May 5, 2018 | BMW OpenATP250 | clay | semifinal | Zverev A. | 7-5, 6-2 | 22 v 3 |
| Jan 20, 2018 | Australian OpenGrand Slam, best of 5 | hard | 3rd round | Chung H. | 5-7, 7-6, 2-6, 6-3, 6-0 | 58 v 4 |
| Apr 27, 2017 | Open Banco SabadellATP500 | clay | 3rd round | Chung H. | 6-1, 6-4 | 94 v 21 |
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. Chung H. and Zverev A. each carry the table against every opponent faced.