Stadium: Court B1 Round: 25 Ground: Hardcourt outdoor
| Nishi-Tama, Singles W-WITF-JPN-01A | 2017/03/22 02:15 | Okuno, Ayaka v Yoshitomi, Aiko | 6-3,4-6,3-6 |
| ITF Women Tsukuba Qual | 2017/08/21 03:25 | Yoshitomi, Aiko v Miyamoto, Ayumi | 6-4,6-2 |
| ITF Women Tsukuba Qual | 2017/08/20 00:30 | Yoshitomi, Aiko v Ayumi Koshiishi | 7-5,4-6,6-3 |
| Nonthaburi, Simples W-WITF-THA-09A | 2017/08/15 04:05 | Yoshitomi, Aiko v Tanaka, Yuuki | 2-6,4-6 |
| ITF Women Nonthaburi Qual | 2017/08/14 02:30 | Tatachar Venugopal, Dhruthi v Yoshitomi, Aiko | 2-6,4-6 |
| ITF Women Nonthaburi Qual | 2017/08/13 06:05 | Chen, Siyu v Yoshitomi, Aiko | 1-6,3-6 |
| ITF Women Nonthaburi Qual | 2017/08/07 05:00 | Yoshitomi, Aiko v Beatrice Gumulya | 6-4,1-6,4-6 |
| ITF Women Nonthaburi Qual | 2017/08/06 08:50 | Yoshitomi, Aiko v Chan, Chin-Wei | 6-4,6-4 |
| ITF Women Hua Hin Qual | 2017/07/23 03:00 | Alexandra Bozovic v Yoshitomi, Aiko | 3-6,6-1,6-1 |
| ITF Women Fort Worth | 2017/08/02 23:05 | Okuno, Ayaka v Marcela Zacarias | 3-6,4-6 |
| 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 |