| ITF Women Kyoto | 2016/09/05 01:00 | Kitagawa, Rio v Saki Imamura | 6-3,6-1 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2017/06/11 04:00 | Iwai, Mayu v Ishino, Aoi | 6-0,6-7,4-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2017/03/19 01:00 | Chiang, Yuki Kristina v Iwai, Mayu | 6-2,6-2 |
| Challenger Kaohsiung Qual | 2016/06/14 03:00 | Ayano Shimizu v Iwai, Mayu | 6-3,6-3 |