Stadium: Court 7 Round: 54 Ground: Hardcourt outdoor
| ITF W60 - Kyoto | 2022/12/20 01:00 | Carol Zhao v Hiroko Kuwata | 7-5,3-6,6-2 |
| ITF - W60 Tokyo | 2022/11/15 02:05 | Hiroko Kuwata v Momoko Kobori | 4-6,4-6 |
| ITF W25 Yokohama | 2022/11/09 06:40 | Hiroko Kuwata v Ayano Shimizu | 5-7,1-6 |
| ITF - W60 Macon | 2022/10/19 22:55 | Hiroko Kuwata v Taylor Townsend | 1-6,0-6 |
| ITF - W25 Florence | 2022/10/12 16:35 | Ana Sofia Sanchez v Hiroko Kuwata | 5-7,6-3,6-0 |
| ITF - W80 Rancho Santa Fe | 2022/10/03 16:55 | Alana Smith v Hiroko Kuwata | 6-3,6-1 |
| ITF - W60 Templeton | 2022/09/27 20:30 | Alexa Glatch v Hiroko Kuwata | 6-2,6-2 |
| ITF - W60 Templeton | 2022/09/26 20:20 | Zoe Hitt v Hiroko Kuwata | 2-6,2-6 |
| ITF - W60 Tokyo | 2022/11/16 04:00 | Riko Sawayanagi v Moyuka Uchijima | 3-6,3-6 |
| ITF W25 Yokohama | 2022/11/08 03:00 | Miyu Kato v Riko Sawayanagi | 6-3,6-2 |
| ITF W25 Yokohama | 2022/11/07 05:05 | Yukina Saigo v Riko Sawayanagi | 1-6,4-6 |
| ITF W25 - Nanao | 2022/09/27 02:40 | Riko Sawayanagi v Haruka Kaji | 1-6,4-6 |
| ITF W15 - Yeongwol | 2022/09/08 01:00 | Riko Sawayanagi v Junri Namigata | 2-6,6-3,4-6 |
| ITF W15 - Yeongwol | 2022/09/07 02:10 | Gyeong Seo Lee v Riko Sawayanagi | 3-6,6-7 |
| ITF W15 - Yeongwol | 2022/09/01 00:55 | Dabin Kim v Riko Sawayanagi | 3-6,7-5,6-4 |
| ITF W15 - Yeongwol | 2022/08/30 03:00 | Riko Sawayanagi v Haram Kim | 6-0,6-2 |