01/By surface
each with its own count, at equal weight
Hard
Never on hard
no meeting on this surface
Clay
2-0
S. leads 2-0 in 2 meetings on clay
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 |
|---|---|---|---|---|---|---|
| May 31, 2021 | French OpenGrand Slam | clay | 1st round | Williams S. | 7-6, 6-2 | 8 v 74 |
| May 14, 2016 | Internazionali BNL d'ItaliaPremier | clay | semifinal | Williams S. | 6-4, 6-1 | 1 v 35 |
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 Begu I. each carry the table against every opponent faced.