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Hersonissos 6 
Davis Сup Group I Tennis. Played Yamaguchi Mei. Season 2025
Country 
Japan. Ranking WTA 267.
Japan. Ranking WTA 267.| WTA - Osaka | ||||
|---|---|---|---|---|
| 13.10.2025 | Qualifications - 1st round | Yamaguchi Mei — Townsend Taylor | 1:2 (7:6, 3:6, 6:7) |
|
 WTA - Jingshan | ||||
| 25.09.2025 | Second round | Eala Alexandra — Yamaguchi Mei | 2:0 (6:0, 6:3) |
|
| 23.09.2025 | First round | Yamaguchi Mei — Cody Wong Hong Yi | 2:0 (6:4, 6:1) |
|
 WTA - Monterrey | ||||
| 17.08.2025 | Qualifications - 1st round | You Xiaodi — Yamaguchi Mei | 2:0 (6:3, 6:0) |
|
 WTA - Porto | ||||
| 14.07.2025 | Qialification final | Yamaguchi Mei — Bektas Emina | 0:2 (0:6, 4:6) |
|
| 13.07.2025 | Qualifications - 1st round | Yamaguchi Mei — Tikhonova Anastasia | 2:0 (7:5, 7:5) |
|
 WTA - Grado | ||||
| 09.06.2025 | Qialification final | Papamichail Despina — Yamaguchi Mei | 2:0 (7:5, 7:6) |
|
| 08.06.2025 | Qualifications - 1st round | Yamaguchi Mei — Craciun Georgia Andreea | 2:0 (6:0, 6:4) |
|
| WTA - Bari | ||||
| 03.06.2025 | First round | Yamaguchi Mei — Von Deichmann Kathinka | 0:2 (4:6, 3:6) |
|
| W100 Gifu | ||||
| 01.05.2025 | Second round | Yamaguchi Mei — Sawangkaew Mananchaya | 0:2 (0:6, 3:6) |
|
| 29.04.2025 | First round | Saito Sara — Yamaguchi Mei | 0:2 (5:7, 4:6) |
|
| W100 Tokyo | ||||
| 24.04.2025 | Second round | Ito Aoi — Yamaguchi Mei | 2:1 (6:2, 6:7, 6:4) |
|
 WTA - Family Circle Cup | ||||
| 29.03.2025 | Qualifications - 1st round | Loeb Jamie — Yamaguchi Mei | 2:0 (6:0, 6:4) |
|
 WTA - Mumbai | ||||
| 06.02.2025 | Second round | Yamaguchi Mei — Waltert Simona | 2:1 (7:6, 2:6, 6:4) |
|
| 04.02.2025 | First round | Yamaguchi Mei — Glushko Lina (Retired) | 1:0 (6:3, 5:4) |
|