01/By surface
each with its own count, at equal weight
Hard
1-0
N. leads 1-0 in 1 meeting on hard
Clay
2-1
N. leads 2-1 in 3 meetings 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, N. first |
|---|---|---|---|---|---|---|
| May 26, 2026 | French OpenGrand Slam | clay | 1st round | Osaka N. | 6-3, 7-6 | 16 v 47 |
| Aug 28, 2018 | US OpenGrand Slam | hard | 1st round | Osaka N. | 6-3, 6-2 | 19 v 146 |
| Apr 4, 2018 | Family Circle CupPremier | clay | 2nd round | Osaka N. | 6-3, 7-6 | 21 v 74 |
| May 15, 2017 | Internazionali BNL d'ItaliaPremier | clay | 1st round | Siegemund L. | 6-2, 6-4 | 49 v 32 |
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 Siegemund L. each carry the table against every opponent faced.