| ITF W25 Yokohama | 11/07 03:00 | 54 | Okawa, Misa v Natsumi Kawaguchi | 3-6,4-6 | |
| ITF W25 Yokohama | 03/03 01:00 | 54 | Himari Sato v Okawa, Misa | 6-0,6-0 | |
| ITF Women Nanao | 08/27 01:00 | 62 | Kanami Tsuji v Okawa, Misa | 1-6,7-5,6-4 | |
| ITF Women Nanao | 08/26 05:00 | 62 | Okawa, Misa v Ayumi Miyamoto | 7-6,5-7,6-2 |