| ITF W15 Sapporo WD | 07/28 07:00 | 28 | Hasegawa/Oshino v Miyamoto/Naklo | 5-7,2-6 | |
| ITF W15 Sapporo WD | 07/27 06:00 | 27 | Kadowaki/Honori Koyama v Hasegawa/Oshino | 2-6,2-6 | |
| ITF W15 Sapporo WD | 07/26 04:50 | 26 | Hasegawa/Oshino v Okuwaki/Sato | 7-6,7-6 | |
| ITF W15 Kawaguchi WD | 06/16 01:30 | 27 | 미야모토 아 / 리유 리 v Hasegawa/Oshino | 7-5,6-1 | |
| ITF W15 Kawaguchi WD | 06/14 09:05 | 26 | Nayuki/Nishimura v Hasegawa/Oshino | 5-7,4-6 |