Stadium: Court 2 Round: 25 Ground: Clay
| Fukuoka, Singles W-ITF-JPN-10A | 2019/05/06 02:15 | Mei Yamaguchi v Nagi Hanatani | 6-7,6-3,6-10 |
| ITF W25 Radom | 2021/08/09 15:20 | Mei Yamaguchi v Aneta Laboutkova | 6-4,2-6,10-6 |
| ITF W25 Radom | 2021/08/09 10:30 | Mei Yamaguchi v Freya Christie | 7-6,6-7,10-7 |
| ITF W25 Bydgoszcz | 2021/08/04 12:50 | Mei Yamaguchi v Iryna Shymanovich | 5-7,0-6 |
| ITF W25 Bydgoszcz | 2021/08/03 10:20 | Mei Yamaguchi v Sapfo Sakellaridi | 6-0,1-6,11-9 |
| ITF W25 Bydgoszcz | 2021/08/02 11:30 | Mei Yamaguchi v Rutkowska, Witoria | 5-7,6-1,10-5 |
| ITF W15 Amarante | 2021/07/25 09:00 | Rossi, Federica v Mei Yamaguchi | 4-6,6-3,4-6 |
| ITF W15 Amarante | 2021/07/24 12:20 | Julia Stamatova v Mei Yamaguchi | 3-6,5-7 |
| ITF W15 Amarante | 2021/07/23 10:00 | Lucie Nguyen Tan v Mei Yamaguchi | 3-6,5-7 |
| ITF W25 Bydgoszcz | 2021/08/03 11:40 | Nagi Hanatani v Anastasia Zakharova | 2-6,2-6 |
| ITF W60 Grodzisk Mazowiecki | 2021/07/27 10:15 | Nagi Hanatani v Andrea Gamiz | 5-7,2-6 |
| ITF W60 Grodzisk Mazowiecki | 2021/07/26 11:20 | Nagi Hanatani v Sofia Milatova | 7-5,6-3 |
| ITF W60 Grodzisk Mazowiecki | 2021/07/25 12:05 | Nagi Hanatani v Martyna Zaremba | 6-0,7-5 |
| ITF W60 Olomouc | 2021/07/18 10:00 | Nagi Hanatani v Kareisova, Ludmila | 1-6,6-4,1-10 |
| ITF W60 Charleston | 2021/06/22 22:20 | Sofia Shapatava v Nagi Hanatani | 6-4,5-7,6-1 |
| ITF W25 Sumter | 2021/06/16 15:30 | Nagi Hanatani v Victoria Duval | 1-6,6-7 |
| ITF W25 Santo Domingo | 2021/06/09 16:35 | Nagi Hanatani v Zuger, Joanne | 6-7,0-6 |