Natsumi Kawaguchi leads 3 to 2 over 5 singles meetings since 2023. Last meeting on 10/03/2026 at W75 Kyoto.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 10/03/2026 | W75 Kyoto | Qualifiers | indoor hard | Kawaguchi | 1-6 2-6 |
| 19/03/2025 | W50 Kofu | Round 1 | hard | Kawaguchi | 6-2 7-6(4) |
| 04/07/2023 | W40 Hong Kong | Round 1 | hard | Shimizu | 6-4 7-5 |
| 02/05/2023 | W80 Gifu | Round 1 | hard | Shimizu | 6-1 6-3 |
| 22/04/2023 | W15 Osaka | Semi-final | hard | Kawaguchi | 5-7 4-6 |
| indoor hard | Shimizu 0 - 1 Kawaguchi |
| hard | Shimizu 2 - 2 Kawaguchi |
| 2026 | Shimizu 0 - 1 Kawaguchi |
| 2025 | Shimizu 0 - 1 Kawaguchi |
| 2023 | Shimizu 2 - 1 Kawaguchi |
126 wins, 91 losses since 2021 (58.1%).
Last matches: D D V V D
125 wins, 88 losses since 2021 (58.7%).
Last matches: D D D V D
Natsumi Kawaguchi leads 3 to 2 over 5 singles meetings since 2023.
On 10/03/2026, at W75 Kyoto (Qualifiers): Natsumi Kawaguchi won 1-6 2-6.