01/By surface
each with its own count, at equal weight
Hard
2-0
S. leads 2-0 in 2 meetings on hard
Clay
1-0
S. leads 1-0 in 1 meeting on clay
Grass
1-0
S. leads 1-0 in 1 meeting on grass
02/Every meeting
4 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, S. first |
|---|---|---|---|---|---|---|
| Jan 7, 2020 | ASB ClassicInternational | hard | 1st round | Williams S. | 6-3, 6-2 | 10 v 99 |
| Jul 10, 2018 | WimbledonGrand Slam | grass | quarterfinal | Williams S. | 3-6, 6-3, 6-4 | 181 v 52 |
| Jan 18, 2016 | Australian OpenGrand Slam | hard | 1st round | Williams S. | 6-4, 7-5 | 1 v 36 |
| Apr 2, 2013 | Family Circle CupPremier | clay | 2nd round | Williams S. | 6-2, 6-3 | 1 v 85 |
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. Williams S. and Giorgi C. each carry the table against every opponent faced.