01/By surface
each with its own count, at equal weight
Hard
Never on hard
no meeting on this surface
Clay
0-1
S. leads 1-0 in 1 meeting on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
1 row, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, Z. first |
|---|---|---|---|---|---|---|
| Apr 26, 2026 | Mutua Madrid OpenWTA1000 | clay | 3rd round | Sierra S. | 0-6, 6-2, 6-3 | 67 v 88 |
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. Sonmez Z. and Sierra S. each carry the table against every opponent faced.