| ITF Women Karuizawa Qual | 05/21 01:00 | 54 | Ayumi Miyamoto v Natsuho Nakazawa | 6-1,6-2 | |
| ITF Women Karuizawa Qual | 05/20 01:00 | 54 | Natsuho Nakazawa v Akari Inoue | 6-2,3-6,6-4 | |
| ITF Women Nishi-Tama | 03/22 03:00 | 26 | Natsuho Nakazawa v Ling Zhang | 1-6,6-2,3-6 | |
| ITF Women Nishi-Tama | 03/21 06:15 | 25 | Natsuho Nakazawa v Misaki Matsuda | 7-5,6-3 | |
| ITF Women Nishi-Tama | 03/22 04:55 | 25 | Natsuho Nakazawa v Kyoka Okamura | 3-6,0-6 | |
| ITF Women Hamamatsu Qual | 10/15 05:00 | 62 | Yukina Saigo v Natsuho Nakazawa | 6-2,3-6,6-2 |