Stadium: Court 4 Round: 44 Ground: Hardcourt outdoor
| ITF W25 Makinohara | 2022/10/04 06:00 | Ai Yamaguchi v Savanna Ly-Nguyen | 5-7,7-5,1-6 |
| ITF W25 Makinohara | 2022/10/03 04:15 | Suzuho Oshino v Ai Yamaguchi | 6-7,1-6 |
| ITF W25 Nanao | 2022/09/28 05:00 | Hayu Kinoshita v Ai Yamaguchi | 6-0,6-2 |
| ITF W25 Nanao | 2022/09/26 02:45 | Koharu Niimi v Ai Yamaguchi | 4-6,4-6 |
| ITF W25 Nanao | 2022/09/25 01:00 | Nessa Pratt v Ai Yamaguchi | 0-6,1-6 |
| ITF W15 Yeongwol | 2022/09/05 10:15 | Dainhee Kim v Ai Yamaguchi | 4-6,6-4,10-7 |
| ITF W15 Cancun | 2022/07/20 19:20 | Ai Yamaguchi v Jade Bornay | 6-7,3-6 |
| ITF W15 Cancun | 2022/07/18 15:00 | Basant Kaur v Ai Yamaguchi | 2-6,3-6 |
| ITF W25 Parnu | 2021/08/02 08:15 | Oleksandra Oliynykova v Elisabeth Iila | 6-1,6-1 |
| ITF W15 Haabneeme | 2020/11/18 13:05 | Daniela Glanzer v Elisabeth Iila | 6-3,6-2 |
| ITF W15 Haabneeme | 2020/11/17 09:15 | Anet A Koskel v Elisabeth Iila | 1-6,3-6 |
| ITF W15 Haabneeme | 2020/11/16 09:15 | Elisabeth Iila v Laura Boehner | 6-0,6-1 |