Naho Sato leads 2 to 1 over 3 singles meetings since 2022. Last meeting on 18/11/2025 at W75 Sydney.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 18/11/2025 | W75 Sydney | Round 1 | hard | Yamaguchi | 2-6 5-7 |
| 19/01/2024 | W50 Bengaluru | Quarter-final | hard | Sato | 6-4 7-5 |
| 14/11/2022 | W60 Tokyo | Qualifiers | indoor hard | Sato | 6-4 7-6(11) |
| hard | Yamaguchi 1 - 1 Sato |
| indoor hard | Yamaguchi 0 - 1 Sato |
| 2025 | Yamaguchi 1 - 0 Sato |
| 2024 | Yamaguchi 0 - 1 Sato |
| 2022 | Yamaguchi 0 - 1 Sato |
163 wins, 132 losses since 2021 (55.3%).
Last matches: D V D D D
164 wins, 113 losses since 2021 (59.2%).
Last matches: V V V V D
Naho Sato leads 2 to 1 over 3 singles meetings since 2022.
On 18/11/2025, at W75 Sydney (Round 1): Mei Yamaguchi won 2-6 5-7.