01/By surface
each with its own count, at equal weight
Hard
1-1
Level 1-1 in 2 meetings 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
4 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, D. first |
|---|---|---|---|---|---|---|
| Apr 7, 2024 | Charleston OpenWTA500 | clay | final | Collins D. | 6-2, 6-1 | 22 v 11 |
| Aug 9, 2021 | Mubadala Silicon Valley ClassicWTA500 | hard | final | Collins D. | 6-3, 6-7, 6-1 | 36 v 31 |
| Feb 18, 2021 | Phillip Island TrophyWTA250 | hard | semifinal | Kasatkina D. | 6-2, 6-7, 6-1 | 40 v 75 |
| May 16, 2018 | Internazionali BNL d'ItaliaPremier | clay | 2nd round | Kasatkina D. | 6-2, 6-3 | 47 v 13 |
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 Kasatkina D. each carry the table against every opponent faced.