01/By surface
each with its own count, at equal weight
Hard
1-0
D. leads 1-0 in 1 meeting on hard
Clay
Never on clay
no meeting on this surface
Grass
1-0
D. leads 1-0 in 1 meeting on grass
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, D. first |
|---|---|---|---|---|---|---|
| Jun 28, 2021 | WimbledonGrand Slam | grass | 1st round | Collins D. | 4-6, 6-3, 6-2 | 48 v 77 |
| Aug 27, 2019 | US OpenGrand Slam | hard | 1st round | Collins D. | 6-3, 4-6, 6-4 | 35 v 57 |
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. Collins D. and Hercog P. each carry the table against every opponent faced.