| ITF Women Fukuoka Qual | 2017/05/07 01:00 | Olivia Tjandramulia v Ayano Sonoda | 7-5,6-1 |
| ITF Women Iizuka Qual | 2016/09/25 01:00 | Ayano Sonoda v Natsumi Chimura | 0-6,2-6 |
| ITF Women Fukuoka Qual | 2017/05/07 06:00 | Mei Yamaguchi v Monique Adamczak | 1-6,3-6 |
| ITF Women Fukuoka Qual | 2017/05/07 01:00 | Mei Yamaguchi v Mina Miyahara | 6-1,6-3 |
| ITF Women Kofu Qual | 2017/03/25 03:30 | Xiyu Wang v Mei Yamaguchi | 6-4,6-2 |
| ITF Women Nishi-Tama | 2017/03/18 03:00 | Kanako Morisaki v Mei Yamaguchi | 7-5,7-5 |
| ITF Women Yokohama Qual | 2017/03/05 03:00 | Mei Yamaguchi v Ramu Ueda | 2-6,2-6 |
| ITF Women Makinohara Qual | 2016/10/09 03:00 | Hayaka Murase v Mei Yamaguchi | 6-2,3-6,6-3 |
| ITF Women Iizuka Qual | 2016/09/26 01:00 | Kotomi Takahata v Mei Yamaguchi | 6-2,6-1 |
| ITF Women Kyoto | 2016/09/06 05:30 | Mei Yamaguchi v Rio Kitagawa | 5-7,4-6 |