01/By surface
each with its own count, at equal weight
Hard
1-0
N. leads 1-0 in 1 meeting on hard
Clay
0-1
K. leads 1-0 in 1 meeting on clay
Grass
1-0
N. leads 1-0 in 1 meeting on grass
02/Every meeting
3 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, N. first |
|---|---|---|---|---|---|---|
| Jul 2, 2025 | WimbledonGrand Slam | grass | 2nd round | Osaka N. | 6-3, 6-2 | 53 v 81 |
| Jun 1, 2019 | French OpenGrand Slam | clay | 3rd round | Siniakova K. | 6-4, 6-2 | 1 v 42 |
| Feb 12, 2018 | Qatar Total OpenPremier | hard | 1st round | Osaka N. | 6-4, 6-0 | 51 v 49 |
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. Osaka N. and Siniakova K. each carry the table against every opponent faced.