Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF W25 Burnie | 2023/02/08 23:00 | Olivia Gadecki v Sawayanagi, Riko | 6-3,4-6,6-2 |
| ITF W25 Burnie | 2023/02/07 00:30 | Eri Shimizu v Sawayanagi, Riko | 3-6,5-7 |
| ITF W25 Burnie | 2023/02/06 01:30 | Yaroslava Bartashevich v Sawayanagi, Riko | 4-6,1-6 |
| Burnie, Simples W-ITF-AUS-02A | 2023/01/30 00:20 | Sawayanagi, Riko v Elena Micic | 6-2,4-6,3-6 |
| ITF W40 Nonthaburi | 2023/01/02 03:00 | Sawayanagi, Riko v Patcharin Cheapchandej | 2-6,1-6 |
| ITF W40 Nonthaburi | 2023/01/01 02:00 | Hiroko Kuwata v Sawayanagi, Riko | 6-7,4-6 |
| ITF W60 Tokyo | 2022/11/16 04:00 | Sawayanagi, Riko v Moyuka Uchijima | 3-6,3-6 |
| ITF W25 Yokohama | 2022/11/08 03:00 | Kato, Miyu v Sawayanagi, Riko | 6-3,6-2 |
| WTA Auckland | 2022/12/31 01:25 | Sara Errani v Vivian Yang | 6-1,6-4 |
| ITF W25 Tauranga | 2022/12/20 02:20 | Vivian Yang v Mays, Lisa | 4-6,5-7 |
| ITF W15 Wellington | 2022/12/17 21:00 | Otway, Jade v Vivian Yang | 3-6,3-6 |
| ITF W15 Wellington | 2022/12/16 21:30 | Aulia, Catherine v Vivian Yang | 2-6,3-6 |
| ITF W15 Wellington | 2022/12/16 02:30 | Vivian Yang v Kyna Decruy | 6-0,6-0 |
| ITF W15 Wellington | 2022/12/15 21:00 | Vivian Yang v Milan Krish | 6-3,6-1 |
| ITF W15 Wellington | 2022/12/12 21:00 | Vivian Yang v Alkmini Giannakogiorgou | 6-3,6-1 |
| ITF W25 Traralgon | 2022/11/24 00:45 | Vivian Yang v Tina Nadine Smith | 3-6,1-6 |