Koki Matsuda leads 4 to 1 over 5 singles meetings since 2023. Last meeting on 24/04/2025 at M15 Osaka.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 24/04/2025 | M15 Osaka | Round 2 | hard | Matsuda | 3-6 6-4 7-6(5) |
| 26/02/2025 | M15 Maanshan | Round 1 | indoor hard | Matsuda | 6-2 6-4 |
| 02/04/2024 | M15 Kashiwa | Round 1 | hard | Sumizawa | 6-3 3-6 6-3 |
| 20/12/2023 | M15 Yanagawa | Round 1 | hard | Matsuda | 7-5 6-3 |
| 14/09/2023 | M25 Sapporo | Round 2 | hard | Matsuda | 6-0 7-6(3) |
| hard | Sumizawa 1 - 3 Matsuda |
| indoor hard | Sumizawa 0 - 1 Matsuda |
| 2025 | Sumizawa 0 - 2 Matsuda |
| 2024 | Sumizawa 1 - 0 Matsuda |
| 2023 | Sumizawa 0 - 2 Matsuda |
138 wins, 120 losses since 2021 (53.5%).
Last matches: D V V V D
125 wins, 87 losses since 2021 (59.0%).
Last matches: D V V D D
Koki Matsuda leads 4 to 1 over 5 singles meetings since 2023.
On 24/04/2025, at M15 Osaka (Round 2): Koki Matsuda won 3-6 6-4 7-6(5).