Stadium: Court B4 Round: 54
| 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 |
| Hua Hin, Singles W-WITF-THA-07A | 2017/07/19 03:00 | Yoshitomi, Aiko v Patcharin Cheapchandej | 5-7,4-6 |
| Hua Hin, Singles W-WITF-THA-07A | 2017/07/17 05:25 | Zhang, Yuxuan v Yoshitomi, Aiko | 2-6,5-7 |
| ITF Women Karuizawa Qual | 2017/05/21 04:00 | Ayumi Koshiishi v Allgurin, Ellen | 4-6,2-6 |
| ITF Women Fukuoka Qual | 2017/05/07 02:40 | Ayumi Koshiishi v Adamczak, Monique | 3-6,0-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2017/03/22 05:55 | Ayumi Koshiishi v Ushijima, Risa | 1-6,1-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2017/03/20 01:00 | Ayumi Koshiishi v Eri Shimizu | 6-3,7-5 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2017/03/19 02:00 | Ayumi Koshiishi v Kajitani, Robu | 1-6,6-0,6-3 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2017/03/18 03:00 | Nina Stadler v Ayumi Koshiishi | 6-0,6-7,3-6 |
| Yokohama, Singles Qualifying W-WITF-JPN-01B | 2017/03/05 06:00 | Haruka Kaji v Ayumi Koshiishi | 4-6,6-1,6-4 |
| ITF Women Toyota Qual | 2016/11/13 08:50 | Kim, Na Ri v Ayumi Koshiishi | 7-5,3-6,6-3 |