01/By surface
each with its own count, at equal weight
Hard
0-2
D. leads 2-0 in 2 meetings on hard
Clay
Never on clay
no meeting on this surface
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 |
|---|---|---|---|---|---|---|
| Jan 16, 2024 | Australian OpenGrand Slam | hard | 1st round | Collins D. | 6-2, 3-6, 6-1 | 655 v 62 |
| Jan 20, 2019 | Australian OpenGrand Slam | hard | 4th round | Collins D. | 6-0, 6-2 | 2 v 35 |
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. Kerber A. and Collins D. each carry the table against every opponent faced.