01/By surface
each with its own count, at equal weight
Hard
1-0
A. leads 1-0 in 1 meeting on hard
Clay
1-0
A. leads 1-0 in 1 meeting 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, A. first |
|---|---|---|---|---|---|---|
| Apr 21, 2021 | Porsche Tennis Grand PrixWTA500 | clay | 2nd round | Barty A. | 6-0, 7-5 | 1 v 58 |
| Feb 25, 2020 | Qatar Total OpenPremier | hard | 2nd round | Barty A. | 6-3, 6-2 | 1 v 68 |
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. Barty A. and Siegemund L. each carry the table against every opponent faced.