Level, 1 wins each over 2 singles meetings since 2023. Last meeting on 12/09/2025 at Davis Cup, World Group, Q2, JPN-GER.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 12/09/2025 | Davis Cup, World Group, Q2, JPN-GER | — | indoor hard | Struff | 4-6 7-6(4) 4-6 |
| 24/09/2023 | Zhuhai Open - Zhuhai | Quarter-final | hard | Nishioka | 6-4 5-5 |
| indoor hard | Struff 1 - 0 Nishioka |
| hard | Struff 0 - 1 Nishioka |
| 2025 | Struff 1 - 0 Nishioka |
| 2023 | Struff 0 - 1 Nishioka |
167 wins, 142 losses since 2021 (54.0%).
Last matches: D V D V D
136 wins, 122 losses since 2021 (52.7%).
Last matches: D D D V D
Level, 1 wins each over 2 singles meetings since 2023.
On 12/09/2025, at Davis Cup, World Group, Q2, JPN-GER: Jan-Lennard Struff won 4-6 7-6(4) 4-6.