Stadium: Court 3 Round: 25 Ground: Synthetic outdoor
| ITF W25 Makinohara | 2022/10/06 06:25 | Chihiro Muramatsu v Sara Saito | 2-6,6-4,3-6 |
| ITF W25 Nanao | 2022/09/30 02:10 | Chihiro Muramatsu v Haruka Kaji | 1-6,6-1,2-6 |
| ITF W25 Nanao | 2022/09/29 03:25 | Chihiro Muramatsu v Suzuho Oshino | 6-3,6-1 |
| ITF W25 Nanao | 2022/09/27 02:45 | Chihiro Muramatsu v Honoka Kobayashi | 6-2,2-6,6-3 |
| WTA Tokyo | 2022/09/18 05:55 | Chihiro Muramatsu v Rina Saigo | 6-2,3-6,0-6 |
| WTA Tokyo | 2022/09/17 08:25 | Katarzyna Kawa v Chihiro Muramatsu | 6-2,5-7,4-6 |
| ITF W60 Montreux | 2022/09/08 13:50 | Sebastianna Scilipoti v Chihiro Muramatsu | 7-6,6-3 |
| ITF W60 Montreux | 2022/09/07 14:30 | Chihiro Muramatsu v Arlinda Rushiti | 6-4,6-7,6-0 |
| ITF W15 Monastir | 2022/05/21 08:30 | Ayumi Morita v Ayumi Koshiishi | 6-3,6-3 |
| ITF W15 Monastir | 2022/05/20 09:50 | Anja Wildgruber v Ayumi Koshiishi | 3-6,2-6 |
| ITF W15 Monastir | 2022/05/19 09:35 | Sijia Wei v Ayumi Koshiishi | 4-6,1-6 |
| ITF W15 Monastir | 2022/05/18 08:30 | Yu Shan v Ayumi Koshiishi | 2-6,4-6 |
| ITF W15 Monastir | 2022/05/15 08:30 | Ayumi Koshiishi v Fangzhou Liu | 4-6,5-7 |
| ITF W15 Monastir | 2022/05/14 08:30 | Aleksandra Pospelova v Ayumi Koshiishi | 1-6,4-6 |
| ITF W15 Monastir | 2022/05/12 08:30 | Ayumi Koshiishi v Milana Zhabrailova | 6-2,3-6,6-1 |
| ITF W25 Monastir | 2022/05/06 11:40 | Ayumi Koshiishi v Adithya Karunaratne | 6-2,0-6,1-6 |