01/By surface
each with its own count, at equal weight
Hard
2-0
B. leads 2-0 in 2 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
Never on grass
no meeting on this surface
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, B. first |
|---|---|---|---|---|---|---|
| Aug 4, 2026 | Canadian OpenMasters 1000 | hard | 2nd round | Nakashima B. | 6-2, 6-1 | 31 v 60 |
| Mar 1, 2023 | Abierto MexicanoATP500 | hard | 1st round | Nakashima B. | 6-3, 3-6, 6-1 | 49 v 95 |
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. Nakashima B. and Altmaier D. each carry the table against every opponent faced.