Seiya Nakanishi leads 2 to 0 over 2 singles meetings since 2025. Last meeting on 06/09/2026 at M25 Sapporo.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 06/09/2026 | M25 Sapporo | Qualifying 1 | hard | Nakanishi | |
| 28/10/2025 | M15 Yanagawa City | Qualifiers | hard | Nakanishi |
| hard | Adachi 0 - 2 Nakanishi |
| 2026 | Adachi 0 - 1 Nakanishi |
| 2025 | Adachi 0 - 1 Nakanishi |
8 wins, 38 losses since 2021 (17.4%).
Last matches: D D D D D
17 wins, 30 losses since 2021 (36.2%).
Last matches: D V D V V
Seiya Nakanishi leads 2 to 0 over 2 singles meetings since 2025.
On 06/09/2026, at M25 Sapporo (Qualifying 1): Seiya Nakanishi won.