01/By surface
each with its own count, at equal weight
Hard
2-1
B. leads 2-1 in 3 meetings 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
4 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, B. first |
|---|---|---|---|---|---|---|
| Aug 11, 2022 | Canadian OpenWTA1000 | hard | 2nd round | Bencic B. | 6-2, 6-4 | 12 v unranked |
| Jan 17, 2017 | Australian OpenGrand Slam | hard | 1st round | Williams S. | 6-4, 6-3 | 59 v 2 |
| Aug 15, 2015 | Rogers CupPremier | hard | semifinal | Bencic B. | 3-6, 7-5, 6-4 | 20 v 1 |
| May 4, 2014 | Mutua Madrid OpenPremier | clay | 1st round | Williams S. | 6-2, 6-1 | 98 v 1 |
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. Bencic B. and Williams S. each carry the table against every opponent faced.