01/By surface
each with its own count, at equal weight
Hard
0-1
S. leads 1-0 in 1 meeting on hard
Clay
0-1
S. leads 1-0 in 1 meeting 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, D. first |
|---|---|---|---|---|---|---|
| Jun 4, 2021 | French OpenGrand Slam | clay | 3rd round | Williams S. | 6-4, 6-4 | 50 v 8 |
| Feb 5, 2021 | Yarra Valley ClassicWTA500 | hard | quarterfinal | Williams S. | 6-2, 4-6, 10-6 | 46 v 11 |
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 Williams S. each carry the table against every opponent faced.