01/By surface
each with its own count, at equal weight
Hard
2-0
S. leads 2-0 in 2 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
Never on grass
no meeting on this surface
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, S. first |
|---|---|---|---|---|---|---|
| Feb 10, 2021 | Australian OpenGrand Slam | hard | 2nd round | Errani S. | 6-1, 6-0 | 134 v 81 |
| Aug 29, 2014 | US OpenGrand Slam | hard | 3rd round | Errani S. | 6-0, 0-6, 7-6 | 14 v 20 |
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. Errani S. and Williams V. each carry the table against every opponent faced.