Stadium: Court 6 Round: 54 Ground: Hardcourt outdoor
| ITF W40 Nonthaburi Qual | 2023/01/08 02:00 | Sohyun Park v Eri Shimizu | 4-6,5-7 |
| ITF W40 Nonthaburi | 2023/01/01 09:40 | Gabriela Knutson v Eri Shimizu | 2-6,6-3,6-4 |
| ITF W25 Monastir | 2022/12/14 08:30 | Eri Shimizu v Michaela Laki | 6-2,2-6,5-7 |
| ITF W25 Monastir | 2022/12/13 08:30 | Eri Shimizu v Helena Buchwald | 7-5,7-6 |
| ITF W25 Monastir | 2022/12/12 11:00 | Eri Shimizu v Yinglak Jittakoat | 6-3,6-2 |
| ITF W25 Monastir | 2022/12/06 08:30 | Michaela Laki v Eri Shimizu | 6-1,6-3 |
| ITF W25 Monastir | 2022/12/05 11:00 | Chia Yi Tsao v Eri Shimizu | 2-6,4-6 |
| ITF W60 Tokyo | 2022/11/17 06:05 | Eri Shimizu v Na-Lae Han | 3-6,3-6 |
| ITF W40 Nonthaburi Qual | 2023/01/08 04:00 | Natsuho Arakawa v Sina Herrmann | 1-6,6-7 |
| ITF W40 Nonthaburi | 2023/01/03 03:00 | Lanlana Tararudee v Sina Herrmann | 6-3,6-4 |
| ITF W40 Nonthaburi | 2023/01/02 03:00 | Pimmada Thongkum v Sina Herrmann | 6-7,2-6 |
| ITF W40 Nonthaburi | 2023/01/01 04:10 | Tyra Lithiby v Sina Herrmann | 3-6,2-6 |
| German Championship Women | 2022/12/05 15:00 | Katharina Hering v Sina Herrmann | 6-1,6-6 |
| ITF W25 Heraklion | 2022/11/24 13:00 | Sina Herrmann v Sofia Rocchetti | 2-6,6-7 |
| ITF W25 Heraklion | 2022/11/22 08:30 | Denislava Glushkova v Sina Herrmann | 2-6,6-1,2-6 |
| ITF W25 Heraklion | 2022/11/15 10:05 | Sina Herrmann v Denislava Glushkova | 2-6,0-6 |