01/By surface
each with its own count, at equal weight
Hard
Never on hard
no meeting on this surface
Clay
1-0
I. leads 1-0 in 1 meeting on clay
Grass
1-0
I. leads 1-0 in 1 meeting on grass
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, I. first |
|---|---|---|---|---|---|---|
| Apr 16, 2025 | Porsche Tennis Grand PrixWTA500 | clay | 2nd round | Swiatek I. | 6-2, 6-2 | 2 v 153 |
| Jun 28, 2022 | WimbledonGrand Slam | grass | 1st round | Swiatek I. | 6-0, 6-3 | 1 v 252 |
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. Swiatek I. and Fett J. each carry the table against every opponent faced.