Stadium: Court B5 Round: 62
| ITF Women Toyota Qual | 2018/03/11 03:30 | Sawayanagi, Riko v Iwai, Mayu | 6-0,1-6,2-6 |
| ITF Women Toyota Qual | 2018/03/10 03:00 | Saki Imamura v Iwai, Mayu | 5-7,3-6 |
| 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 |
| ITF Women Toyota Qual | 2018/03/11 01:00 | Fujiwara, Rika v Yoshitomi, Aiko | 7-5,6-1 |
| ITF Women Toyota Qual | 2018/03/10 01:00 | Fujiwara, Rika v Oshino, Suzuho | 7-5,6-0 |
| Yokohama, Singles Qualifying W-WITF-JPN-01B | 2018/03/04 06:00 | Yexin Ma v Fujiwara, Rika | 4-6,6-4,6-2 |
| Toyota, Singles W-WITF-JPN-02A | 2017/11/16 01:00 | Haruka Kaji v Fujiwara, Rika | 7-6,6-2 |
| Toyota, Singles W-WITF-JPN-02A | 2017/11/15 01:00 | Fujiwara, Rika v Hibi, Mayo | 6-0,6-2 |
| ITF Women Toyota Qual | 2017/11/13 05:05 | Fujiwara, Rika v Chihiro Muramatsu | 6-2,6-2 |
| ITF Women Toyota Qual | 2017/11/12 10:10 | Kang, Jia-Qi v Fujiwara, Rika | 0-6,7-5,3-6 |
| ITF Women Toyota Qual | 2017/11/12 03:35 | Choi, Ji-Hee v Fujiwara, Rika | 0-6,6-7 |