01/By surface
each with its own count, at equal weight
Hard
4-1
M. leads 4-1 in 5 meetings on hard
Clay
0-1
V. 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 8, 2023 | Canadian OpenWTA1000 | hard | 1st round | Keys M. | 6-2, 7-5 | 15 v 527 |
| Aug 17, 2019 | Western & Southern Financial Group Women's OpenPremier | hard | quarterfinal | Keys M. | 6-2, 6-3 | 18 v 65 |
| Jul 28, 2016 | Rogers CupPremier | hard | 3rd round | Keys M. | 6-1, 6-7, 6-3 | 11 v 7 |
| Nov 3, 2015 | WTA Elite TrophyTour Championships | hard | round robin | Williams V. | 3-6, 7-6, 6-1 | 19 v 11 |
| Jan 28, 2015 | Australian OpenGrand Slam | hard | quarterfinal | Keys M. | 6-3, 4-6, 6-4 | 35 v 18 |
| Apr 5, 2013 | Family Circle CupPremier | clay | quarterfinal | Williams V. | 6-4, 6-4 | 77 v 24 |
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. Keys M. and Williams V. each carry the table against every opponent faced.