Kyoka Okamura leads 4 to 0 over 4 singles meetings since 2023. Last meeting on 20/09/2026 at Singapore Tennis Open - Singapore.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 20/09/2026 | Singapore Tennis Open - Singapore | Qualifiers | indoor hard | Okamura | 1-6 1-6 |
| 20/06/2024 | W35 Taipei | Round 2 | hard | Okamura | 6-4 3-6 1-5 |
| 22/04/2024 | W100 Tokyo | Qualifying 1 | hard | Okamura | 6-4 1-6 6-3 |
| 12/04/2023 | W25 Osaka | Round 1 | hard | Okamura | 6-2 4-6 4-6 |
| indoor hard | Okamura 1 - 0 Yamaguchi |
| hard | Okamura 3 - 0 Yamaguchi |
| 2026 | Okamura 1 - 0 Yamaguchi |
| 2024 | Okamura 2 - 0 Yamaguchi |
| 2023 | Okamura 1 - 0 Yamaguchi |
169 wins, 163 losses since 2021 (50.9%).
Last matches: D V V D D
166 wins, 140 losses since 2021 (54.2%).
Last matches: D D V D V
Kyoka Okamura leads 4 to 0 over 4 singles meetings since 2023.
On 20/09/2026, at Singapore Tennis Open - Singapore (Qualifiers): Kyoka Okamura won 1-6 1-6.