Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF - W15 Fukui | 2023/04/27 00:55 | Rinon Okuwaki v Sawayanagi, Riko | 3-6,6-2,6-3 |
| ITF - W15 Fukui | 2023/04/25 02:00 | Takayama, Chihiro v Sawayanagi, Riko | 5-7,0-6 |
| Osaka, Singles W-ITF-JPN-02A | 2023/04/12 09:30 | Xiaodi You v Sawayanagi, Riko | 6-1,6-1 |
| Osaka, Singles W-ITF-JPN-02A | 2023/04/10 04:50 | Gyeong Seo Lee v Sawayanagi, Riko | 4-6,2-6 |
| Osaka, Singles W-ITF-JPN-02A | 2023/04/10 01:00 | Yamaguchi, Ai v Sawayanagi, Riko | 2-6,4-6 |
| Osaka, Singles W-ITF-JPN-02A | 2023/04/09 01:00 | Ayaka Ozeki v Sawayanagi, Riko | 0-6,0-6 |
| ITF W60 Canberra | 2023/03/21 03:00 | Sawayanagi, Riko v Dalila Jakupovic | 2-6,2-6 |
| ITF W60 Canberra | 2023/03/20 00:25 | Yang, Ya-Yi v Sawayanagi, Riko | 6-3,0-6,1-6 |
| ITF W25 Changwon | 2023/06/04 02:00 | Sohyun Park v En Shuo Liang | 6-4,7-5 |
| ITF W25 Changwon | 2023/06/03 02:00 | En Shuo Liang v Xiaodi You | 6-4,6-3 |
| ITF W25 Changwon | 2023/06/02 06:45 | Ya-Hsuan Lee v En Shuo Liang | 6-2,5-7,2-6 |
| ITF W25 Changwon | 2023/06/02 02:25 | Dayeon Back v En Shuo Liang | 1-6,6-2,3-6 |
| ITF W25 Changwon | 2023/05/31 03:40 | Kang, Na Hyun v En Shuo Liang | 7-5,2-6,5-7 |
| Kurume, Singles W-ITF-JPN-11A | 2023/05/19 05:00 | Emina Bektas v En Shuo Liang | 4-6,6-2,7-6 |
| Kurume, Singles W-ITF-JPN-11A | 2023/05/18 02:15 | Alana Parnaby v En Shuo Liang | 3-6,2-6 |
| Kurume, Singles W-ITF-JPN-11A | 2023/05/17 01:00 | Johanne C Svendsen v En Shuo Liang | 3-6,0-6 |