Natsumi Kawaguchi leads 4 to 0 over 4 singles meetings since 2022. Last meeting on 24/09/2025 at W100 Incheon.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 24/09/2025 | W100 Incheon | Round 1 | hard | Kawaguchi | 6-1 7-5 |
| 08/05/2024 | W75 Fukuoka | Round 1 | carpet | Kawaguchi | 6-1 7-6(4) |
| 21/04/2023 | W15 Osaka | Quarter-final | hard | Kawaguchi | 3-6 2-6 |
| 09/11/2022 | W25 Yokohama | Round 1 | hard | Kawaguchi | 3-6 2-6 |
| hard | Lee 0 - 3 Kawaguchi |
| carpet | Lee 0 - 1 Kawaguchi |
| 2025 | Lee 0 - 1 Kawaguchi |
| 2024 | Lee 0 - 1 Kawaguchi |
| 2023 | Lee 0 - 1 Kawaguchi |
| 2022 | Lee 0 - 1 Kawaguchi |
104 wins, 86 losses since 2021 (54.7%).
Last matches: V V D D D
125 wins, 88 losses since 2021 (58.7%).
Last matches: D D D V D
Natsumi Kawaguchi leads 4 to 0 over 4 singles meetings since 2022.
On 24/09/2025, at W100 Incheon (Round 1): Natsumi Kawaguchi won 6-1 7-5.