Stadium: Court 2 Round: 54 Ground: Hardcourt outdoor
| ITF Women Fukuoka | 2017/05/10 03:55 | Yukina Saigo v Riko Sawayanagi | 0-6,6-4,2-6 |
| ITF - W25 Makinohara | 2022/10/03 00:30 | Yukina Saigo v Suzuho Oshino | 5-7,1-6 |
| ITF - W25 Nanao | 2022/09/25 01:00 | Yukina Saigo v Rio Tsuda | 3-6,2-6 |
| ITF - W60 Praga | 2022/08/28 11:40 | Yukina Saigo v Alexandra Osborne | 2-6,6-3,4-10 |
| ITF - W25 Mogyorod | 2022/08/17 07:55 | Julia Riera v Yukina Saigo | 6-1,0-6,6-1 |
| ITF - W25 Mogyorod | 2022/08/15 09:00 | Yukina Saigo v Lidia Encheva | 6-7,6-4,10-4 |
| ITF - W25 Danderyd | 2022/08/10 09:45 | Kajsa Rinaldo Persson v Yukina Saigo | 6-2,6-1 |
| ITF - W25 Danderyd | 2022/08/09 10:15 | Yukina Saigo v Stina Larsson | 6-2,6-1 |
| ITF - W25 Eupen | 2022/08/01 13:00 | Sevil Yuldasheva v Yukina Saigo | 6-7,7-5,10-8 |
| 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 |
| ITF - W25 Goyang | 2022/08/25 06:40 | Punnin Kovapitukted v Riko Sawayanagi | 6-4,6-2 |
| ITF - W25 Goyang | 2022/08/23 02:30 | Subin Park v Riko Sawayanagi | 4-6,1-6 |
| ITF - W15 Chiang Rai | 2022/06/16 04:40 | Riko Sawayanagi v Fang Ying Xun | 3-6,3-6 |