01/By surface
each with its own count, at equal weight
Hard
2-0
S.W. leads 2-0 in 2 meetings on hard
Clay
Never on clay
no meeting on this surface
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.W. first |
|---|---|---|---|---|---|---|
| Jan 15, 2019 | Australian OpenGrand Slam | hard | 1st round | Hsieh S.W. | 6-2, 6-1 | 27 v 85 |
| Sep 19, 2018 | Korea OpenInternational | hard | 2nd round | Hsieh S.W. | 6-2, 6-1 | 29 v 73 |
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. Hsieh S.W. and Voegele S. each carry the table against every opponent faced.