| ITF Damen - Kofu - Qualifikation | 2017/03/27 02:30 | Ayaka Okuno v Nozomi Ohya | 6-3,6-2 |
| ITF Damen - Shenzhen - Qualifikation | 2017/11/06 03:00 | Ayaka Okuno v Zhuoma Ni Ma | 1-6,7-6,2-6 |
| ITF Damen - Hamamatsu | 2017/10/18 01:50 | Mitsumi Kawasaki v Ayaka Okuno | 6-1,6-1 |
| ITF Damen - Makinohara | 2017/10/11 00:30 | Ayaka Okuno v Megumi Nishimoto | 3-6,0-6 |
| WTA - Tokyo - Qualifikation | 2017/09/16 01:00 | Ayaka Okuno v Basak Eraydin | 1-6,2-6 |
| ITF Women Kyoto | 2017/09/05 06:55 | Ayaka Okuno v Mei Yamaguchi | 4-6,2-6 |
| ITF Damen - Nanao | 2017/08/29 01:00 | Katy Dunne v Ayaka Okuno | 6-4,6-1 |
| ITF Damen - Tsukuba | 2017/08/24 00:40 | Akiko Omae v Ayaka Okuno | 6-4,6-3 |
| ITF Damen - Tsukuba | 2017/08/23 02:40 | Aiko Yoshitomi v Ayaka Okuno | 2-6,5-7 |
| ITF Damen - Kofu - Qualifikation | 2017/03/27 02:30 | Ayaka Okuno v Nozomi Ohya | 6-3,6-2 |
| ITF Damen - Kofu - Qualifikation | 2017/03/25 03:30 | Mitsumi Kawasaki v Nozomi Ohya | 0-6,1-6 |
| ITF Damen - Nishi-Tama | 2017/03/18 03:00 | Momoko Kobori v Nozomi Ohya | 6-4,6-4 |