01/By surface
each with its own count, at equal weight
Hard
1-4
C. leads 4-1 in 5 meetings on hard
Clay
1-0
M. leads 1-0 in 1 meeting on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
6 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, M. first |
|---|---|---|---|---|---|---|
| Aug 22, 2026 | Western & Southern Financial Group Women's OpenWTA1000 | hard | quarterfinal | Gauff C. | 6-2, 6-2 | 11 v 4 |
| Feb 11, 2025 | Qatar OpenWTA1000 | hard | 2nd round | Kostyuk M. | 6-2, 7-5 | 21 v 3 |
| Oct 10, 2024 | Wuhan OpenWTA1000 | hard | 3rd round | Gauff C. | 6-4, 6-1 | 17 v 4 |
| Apr 19, 2024 | Porsche Tennis Grand PrixWTA500 | clay | quarterfinal | Kostyuk M. | 3-6, 6-4, 7-6 | 27 v 3 |
| Jan 23, 2024 | Australian OpenGrand Slam | hard | quarterfinal | Gauff C. | 7-6, 6-7, 6-2 | 37 v 4 |
| Jan 12, 2022 | Adelaide International 1WTA500 | hard | 2nd round | Gauff C. | 6-3, 5-7, 6-3 | 50 v 19 |
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. Kostyuk M. and Gauff C. each carry the table against every opponent faced.