Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF W25 - Burnie | 2023/02/08 23:00 | Olivia Gadecki v Riko Sawayanagi | 6-3,4-6,6-2 |
| ITF W25 - Burnie | 2023/02/07 00:30 | Eri Shimizu v Riko Sawayanagi | 3-6,5-7 |
| ITF W25 - Burnie | 2023/02/06 01:30 | Yaroslava Bartashevich v Riko Sawayanagi | 4-6,1-6 |
| ITF W60 - Burnie | 2023/01/30 00:20 | Riko Sawayanagi v Elena Micic | 6-2,4-6,3-6 |
| ITF W40 - Nonthaburi | 2023/01/02 03:00 | Riko Sawayanagi v Patcharin Cheapchandej | 2-6,1-6 |
| ITF W40 - Nonthaburi | 2023/01/01 02:00 | Hiroko Kuwata v Riko Sawayanagi | 6-7,4-6 |
| 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 |
| 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 Lisa Mays | 4-6,5-7 |
| ITF W15 - Wellington | 2022/12/17 21:00 | Jade Otway v Vivian Yang | 3-6,3-6 |
| ITF W15 - Wellington | 2022/12/16 21:30 | Catherine Aulia 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 |