| UTR Pro Noda femminile | 2023/08/27 00:00 | Miyu Nakashima v Aya Ishii | 6-4,2-6,6-3 |
| UTR Pro Noda femminile | 2023/08/25 04:52 | Aya Ishii v Sayuri Hata | 3-6,6-4,6-1 |
| UTR Pro Noda femminile | 2023/08/23 03:30 | Aya Ishii v Noelani Teso | 6-0,6-3 |
| ITF W15 Sapporo | 2023/08/09 01:00 | Seri Nayuki v Ai Yamaguchi | 4-6,6-4,7-5 |
| ITF W15 Sapporo | 2023/07/31 06:00 | Ai Yamaguchi v Momoko Nishio | 2-6,3-6 |
| ITF W15 Nakhon Si Thammarat | 2023/07/20 02:00 | Honoka Kobayashi v Ai Yamaguchi | 6-4,6-2 |
| ITF W15 Nakhon Si Thammarat | 2023/07/19 02:00 | Alicia Smith v Ai Yamaguchi | 4-6,4-6 |
| ITF W15 Nakhon Si Thammarat | 2023/07/17 02:30 | Ai Yamaguchi v Laquisa Khan | 6-1,6-4 |
| ITF W15 Nakhon Si Thammarat | 2023/07/16 03:15 | Ai Yamaguchi v Natcharee Teerachodjiranon | 6-1,6-1 |
| ITF W15 Nakhon Si Thammarat | 2023/07/09 08:30 | Supapitch Kuearum v Ai Yamaguchi | 7-5,6-2 |
| ITF W25 Nakhon Si Thammarat | 2023/07/02 09:30 | Carol Young Suh Lee v Ai Yamaguchi | 6-3,6-1 |