Hikaru Shiraishi leads 3 to 0 over 3 singles meetings since 2025. Last meeting on 28/05/2026 at M15 Karuizawa.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 28/05/2026 | M15 Karuizawa | Round 2 | clay | Shiraishi | |
| 27/03/2026 | M15 Tsukuba | Round 2 | hard | Shiraishi | 6-3 7-6(5) |
| 17/09/2025 | M25 Takasaki | Round 1 | hard | Shiraishi | 2-6 0-6 |
| clay | Shiraishi 1 - 0 Masabayashi |
| hard | Shiraishi 2 - 0 Masabayashi |
| 2026 | Shiraishi 2 - 0 Masabayashi |
| 2025 | Shiraishi 1 - 0 Masabayashi |
172 wins, 92 losses since 2021 (65.2%).
Last matches: D V D V D
91 wins, 108 losses since 2021 (45.7%).
Last matches: D D V D V
Hikaru Shiraishi leads 3 to 0 over 3 singles meetings since 2025.
On 28/05/2026, at M15 Karuizawa (Round 2): Hikaru Shiraishi won.