Round: 25 Ground: Hardcourt outdoor
| Yokohama, Singles W-WITF-JPN-01B | 2017/03/09 01:00 | Namigata, Junri v Okuno, Ayaka | 6-0,6-3 |
| Yokohama, Singles W-WITF-JPN-01B | 2017/03/08 01:00 | Okuno, Ayaka v Mana Ayukawa | 6-2,6-1 |
| ITF Women Nanjing | 2017/02/21 07:00 | Kang, Jia-Qi v Okuno, Ayaka | 6-1,6-2 |
| ITF Women Nanjing | 2017/02/19 02:00 | Okuno, Ayaka v Fang Ying Xun | 4-6,4-6 |
| ITF Women Nanjing | 2017/02/18 03:40 | Okuno, Ayaka v Hanyu Guo | 7-6,6-1 |
| ITF Women Nanjing | 2017/02/17 03:25 | Liu, Chang v Okuno, Ayaka | 4-6,6-4,6-7 |
| ITF Women Nanjing | 2017/02/16 04:50 | Zhou, Mingjun v Okuno, Ayaka | 0-6,2-6 |
| ITF Women Nanjing | 2017/02/15 05:30 | Ye, Qiu Yu v Okuno, Ayaka | 5-7,2-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2017/03/20 01:00 | Yoshitomi, Aiko v Dabin Kim | 0-6,7-6,6-2 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2017/03/19 02:00 | Yoshitomi, Aiko v Shimizu, Chinatsu | 7-5,6-7,6-2 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2017/03/18 04:00 | Yoshitomi, Aiko v Kakizawa, Akari | 6-2,6-2 |
| Yokohama, Singles Qualifying W-WITF-JPN-01B | 2017/03/06 06:40 | Yamasoto, Aki v Yoshitomi, Aiko | 6-3,6-4 |
| Yokohama, Singles Qualifying W-WITF-JPN-01B | 2017/03/05 06:00 | Haine Ogata v Yoshitomi, Aiko | 3-6,2-6 |
| ITF Women Clare Qual | 2017/02/27 01:10 | Erika Sema v Yoshitomi, Aiko | 6-4,6-1 |
| ITF Women Clare Qual | 2017/02/25 23:30 | Alicia Smith v Yoshitomi, Aiko | 4-6,4-6 |
| ITF Women Perth Qual | 2017/02/19 02:00 | Yoshitomi, Aiko v Haruka Kaji | 2-6,0-6 |