01/By surface
each with its own count, at equal weight
Hard
0-2
N. leads 2-0 in 2 meetings on hard
Clay
0-1
N. leads 1-0 in 1 meeting on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
3 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, S. first |
|---|---|---|---|---|---|---|
| May 7, 2025 | Internazionali BNL d'ItaliaWTA1000 | clay | 1st round | Osaka N. | 6-2, 6-3 | 177 v 48 |
| Mar 7, 2024 | BNP Paribas OpenWTA1000 | hard | 1st round | Osaka N. | 6-3, 6-1 | 100 v 287 |
| Mar 25, 2016 | Sony Ericsson OpenPremier | hard | 2nd round | Osaka N. | 6-1, 6-3 | 18 v 104 |
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. Errani S. and Osaka N. each carry the table against every opponent faced.