01/By surface
each with its own count, at equal weight
Hard
2-1
K. leads 2-1 in 3 meetings on hard
Clay
1-0
K. leads 1-0 in 1 meeting on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
4 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, K. first |
|---|---|---|---|---|---|---|
| Jan 16, 2017 | Australian OpenGrand Slam | hard | 1st round | Voegele S. | 2-6, 6-2, 6-3 | 77 v 112 |
| Aug 30, 2016 | US OpenGrand Slam | hard | 1st round | Nara K. | 6-0, 7-5 | 80 v 100 |
| May 19, 2015 | Nürnberger VersicherungscupInternational | clay | 2nd round | Nara K. | 6-3, 6-4 | 56 v 96 |
| Mar 2, 2015 | Malaysia OpenInternational | hard | 1st round | Nara K. | 6-3, 7-6 | 57 v 101 |
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. Nara K. and Voegele S. each carry the table against every opponent faced.