Mei Yamaguchi 6-2,6-0 Natsumi Koshino 2018-03-17 01:00
Round: 62 Ground: Hardcourt outdoor
Home History
| ITF Women Toyota Qual | 2018/03/11 03:30 | Shiho Akita v Mei Yamaguchi | 6-3,6-1 |
| ITF Women Toyota Qual | 2018/03/10 03:00 | Mana Ayukawa v Mei Yamaguchi | 4-6,2-6 |
| ITF Women Yokohama Qual | 2018/03/06 01:00 | Mai Hontama v Mei Yamaguchi | 6-2,7-6 |
| ITF Women Yokohama Qual | 2018/03/04 07:00 | Mei Yamaguchi v Chihiro Muramatsu | 6-4,6-4 |
| ITF Women Tokyo | 2017/11/09 03:15 | Mei Yamaguchi v Su Jeong Jang | 5-7,4-6 |
| ITF Women Tokyo | 2017/11/07 04:00 | Mei Yamaguchi v Himari Sato | 6-2,6-3 |
| ITF Women Tokyo Qual | 2017/11/06 01:00 | Mei Yamaguchi v Moyuka Uchijima | 6-2,7-6 |
| ITF Women Tokyo Qual | 2017/11/05 01:00 | Akari Inoue v Mei Yamaguchi | 6-4,1-6,4-6 |
Away History
| ITF Women Yokohama Qual | 2018/03/04 04:00 | Natsumi Koshino v Misa Eguchi | 3-6,2-6 |