01/By surface
each with its own count, at equal weight
Hard
1-2
M. leads 2-1 in 3 meetings on hard
Clay
1-0
D. leads 1-0 in 1 meeting 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 6, 2024 | Charleston OpenWTA500 | clay | semifinal | Collins D. | 6-3, 6-3 | 22 v 7 |
| Aug 10, 2023 | Canadian OpenWTA1000 | hard | 2nd round | Collins D. | 6-4, 6-2 | 48 v 8 |
| Oct 21, 2022 | Guadalajara OpenWTA1000 | hard | 3rd round | Sakkari M. | 5-7, 6-3, 6-3 | 16 v 6 |
| Aug 5, 2018 | Mubadala Silicon Valley ClassicPremier | hard | semifinal | Sakkari M. | 3-6, 7-5, 6-2 | 42 v 49 |
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 Sakkari M. each carry the table against every opponent faced.