01/By surface
each with its own count, at equal weight
Hard
2-3
N. leads 3-2 in 5 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
Never on grass
no meeting on this surface
02/Every meeting
5 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, D. first |
|---|---|---|---|---|---|---|
| Feb 6, 2024 | Abu Dhabi WTA Women's Tennis OpenWTA500 | hard | 1st round | Collins D. | 7-5, 6-0 | 71 v 757 |
| Aug 31, 2022 | US OpenGrand Slam | hard | 1st round | Collins D. | 7-6, 6-3 | 19 v 44 |
| Mar 30, 2022 | Miami OpenWTA1000 | hard | quarterfinal | Osaka N. | 6-2, 6-1 | 11 v 77 |
| Mar 12, 2019 | BNP Paribas OpenPremier | hard | 3rd round | Osaka N. | 6-4, 6-2 | 25 v 1 |
| Oct 2, 2018 | China OpenPremier | hard | 2nd round | Osaka N. | 6-1, 6-0 | 37 v 6 |
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. Collins D. and Osaka N. each carry the table against every opponent faced.