Stadium: V4 Round: 25
| Hua Hin, Singles W-WITF-THA-07A | 2017/07/18 06:25 | Okuno, Ayaka v Lorbergs, Genevieve | 3-6,7-5,4-6 |
| Hua Hin, Singles W-WITF-THA-07A | 2017/07/11 08:05 | Tananta, Lavinia v Okuno, Ayaka | 6-2,5-7,6-3 |
| ITF Women Tokyo | 2017/06/07 01:00 | Okuno, Ayaka v Kyoka Okamura | 6-7,1-6 |
| ITF Women Wuhan | 2017/05/31 04:50 | Fang Ying Xun v Okuno, Ayaka | 6-2,6-2 |
| ITF Women Wuhan | 2017/05/30 05:40 | Okuno, Ayaka v Larkin, Suzy | 2-6,7-5,6-3 |
| Karuizawa, Singles W-WITF-JPN-10A | 2017/05/26 02:50 | Okuno, Ayaka v Ushijima, Risa | 6-3,0-6,6-7 |
| ITF Women Kurume | 2017/05/17 01:00 | Okuno, Ayaka v Erina Hayashi | 6-7,0-6 |
| ITF Women Fukuoka | 2017/05/10 01:00 | Okuno, Ayaka v Erina Hayashi | 3-6,3-6 |
| ITF Women Evansville | 2017/07/30 16:00 | Ann Li v Marcela Zacarias | 4-6,6-4,6-3 |
| ITF Women Evansville | 2017/07/29 17:25 | Allie Kiick v Marcela Zacarias | 0-6,4-6 |
| ITF Women Evansville | 2017/07/28 17:00 | Sabastiani Leon v Marcela Zacarias | 3-6,4-6 |
| ITF Women Evansville | 2017/07/27 18:00 | Sara Daavettila v Marcela Zacarias | 1-6,2-6 |
| ITF Women Evansville | 2017/07/26 14:00 | Morra, Cameron v Marcela Zacarias | 6-7,6-4,2-6 |
| ITF Women Gatineau | 2017/07/21 16:00 | Priscilla Hon v Marcela Zacarias | 6-1,6-3 |
| ITF Women Gatineau | 2017/07/20 15:00 | Marcela Zacarias v Lao, Danielle | 3-6,6-3,6-3 |
| ITF Women Gatineau | 2017/07/18 17:05 | Emily Webley-Smith v Marcela Zacarias | 1-6,0-6 |