Round: 25 Ground: Hardcourt outdoor
| ITF Women Hong Kong | 2016/07/18 04:05 | Ayaka Okuno v Yukun Zhang | 3-6,2-6 |
| ITF Women Canberra Qual | 2016/03/21 23:00 | Jessica Moore v Ayaka Okuno | 7-6,5-7,7-5 |
| ITF Women Canberra Qual | 2016/03/15 23:00 | Katy Dunne v Ayaka Okuno | 6-2,6-4 |
| Challenger Kaohsiung | 2016/02/09 08:10 | Su-Wei Hsieh v Ayaka Okuno | 7-6,4-6,6-2 |
| Challenger Kaohsiung Qual | 2016/02/07 05:00 | Marina Melnikova v Ayaka Okuno | 2-6,6-3,3-6 |
| Challenger Kaohsiung Qual | 2016/02/06 05:40 | Mizuno Kijima v Ayaka Okuno | 2-6,4-6 |
| ITF Women Navi Mumbai | 2014/12/15 11:00 | Ayaka Okuno v Despina Papamichail | 7-5,3-6,3-6 |