Natsumi Kawaguchi leads 2 to 1 over 3 singles meetings since 2024. Last meeting on 22/09/2026 at W50 Nanao.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 22/09/2026 | W50 Nanao | Round 1 | carpet | Kawaguchi | 6-3 5-2 |
| 15/09/2026 | W35 Kyoto | Round 1 | indoor hard | Kawaguchi | |
| 21/03/2024 | W15 Hinode | Round 2 | hard | Nishimura | 2-6 6-2 6-0 |
| carpet | Kawaguchi 1 - 0 Nishimura |
| indoor hard | Kawaguchi 1 - 0 Nishimura |
| hard | Kawaguchi 0 - 1 Nishimura |
| 2026 | Kawaguchi 2 - 0 Nishimura |
| 2024 | Kawaguchi 0 - 1 Nishimura |
128 wins, 92 losses since 2021 (58.2%).
Last matches: D D V D V
126 wins, 73 losses since 2021 (63.3%).
Last matches: D V V V V
Natsumi Kawaguchi leads 2 to 1 over 3 singles meetings since 2024.
On 22/09/2026, at W50 Nanao (Round 1): Natsumi Kawaguchi won 6-3 5-2.