Stadium: Court B Round: 45 Ground: Hardcourt indoor
| ITF Women Hamamatsu | 2018/10/17 01:00 | Risa Ushijima v Michika Ozeki | 6-3,2-6,6-3 |
| ITF Women Hua Hin | 2017/07/19 03:00 | Michika Ozeki v Risa Ushijima | 1-6,6-7 |
| ITF Women Tokyo Qual | 2017/06/05 03:55 | Risa Ushijima v Michika Ozeki | 6-4,6-4 |
| ITF Women Kurume | 2017/05/16 01:00 | Michika Ozeki v Risa Ushijima | 3-6,3-6 |
| ITF W60 - Kyoto | 2022/12/19 01:00 | Michika Ozeki v Kanako Osafune | 6-2,6-0 |
| ITF W25 - Traralgon | 2022/11/25 01:00 | Michika Ozeki v Ankita Raina | 0-6,2-6 |
| ITF W25 - Traralgon | 2022/11/24 01:45 | Melisa Ercan v Michika Ozeki | 2-6,6-3,2-6 |
| ITF W25 - Traralgon | 2022/11/16 09:35 | Jessica Failla v Michika Ozeki | 6-4,6-1 |
| ITF W25 - Yokohama | 2022/11/09 04:20 | Michika Ozeki v Nagi Hanatani | 2-6,2-6 |
| ITF W25 - Yokohama | 2022/11/08 02:20 | Michika Ozeki v Savanna Ly-Nguyen | 6-4,4-6,12-10 |
| ITF W25 - Yokohama | 2022/11/07 01:00 | Michika Ozeki v Rea Nakashima | 7-6,2-6,10-8 |
| ITF W60 - Sydney | 2022/11/02 23:30 | Michika Ozeki v Talia Gibson | 4-6,3-6 |
| ITF W60 - Kyoto | 2022/12/19 03:00 | Kayo Nishimura v Risa Ushijima | 2-6,2-6 |
| UTR Pro Tennis Series - Miki - Damer | 2022/12/18 00:30 | Risa Ushijima v Ramu Ueda | 2-6,3-6 |
| UTR Pro Tennis Series - Miki - Damer | 2022/12/17 02:00 | Risa Ushijima v Shiho Tsujioka | 6-4,0-6,7-5 |
| UTR Pro Tennis Series - Miki - Damer | 2022/12/16 02:00 | Sako Nakaoka v Risa Ushijima | 1-6,5-7 |
| UTR Pro Tennis Series - Miki - Damer | 2022/12/15 03:30 | Nanaka Sato v Risa Ushijima | 0-6,0-6 |
| UTR Pro Tennis Series - Miki - Damer | 2022/12/14 02:00 | Riko Hiroshima v Risa Ushijima | 1-6,1-6 |
| UTR Pro Tennis Series - Miki - Damer | 2022/12/12 03:30 | Honoka Uchiyama v Risa Ushijima | 1-6,4-6 |
| ITF W60 - Tokyo | 2022/11/17 03:30 | Risa Ushijima v Misaki Doi | 4-6,2-6 |