Stadium: Court 4 Round: 25 Ground: Synthetic outdoor
| ITF Women Makinohara | 2018/10/11 02:55 | Momoko Kobori v Mei Yamaguchi | 6-1,6-3 |
| ITF Women Makinohara | 2018/10/09 00:30 | Akari Inoue v Mei Yamaguchi | 0-6,1-6 |
| ITF Women Nonthaburi Qual | 2018/07/15 02:00 | Kaylah McPhee v Mei Yamaguchi | 6-2,6-3 |
| ITF Women Nonthaburi Qual | 2018/07/14 02:00 | Dolavee Tumthong v Mei Yamaguchi | 3-6,2-6 |
| ITF Women Nonthaburi Qual | 2018/07/08 03:10 | Mei Yamaguchi v Gabriella Da Silva Fick | 6-7,1-6 |
| ITF Women Nonthaburi Qual | 2018/07/07 04:00 | Mei Yamaguchi v Ramya Natarajan | 4-6,6-1,6-1 |
| ITF Women Kofu | 2018/06/13 02:40 | Misaki Doi v Mei Yamaguchi | 6-3,6-3 |
| ITF Women Karuizawa | 2018/05/25 03:35 | Mei Yamaguchi v Abbie Myers | 4-6,4-6 |
| ITF Women Makinohara | 2018/10/11 02:15 | Hiromi Abe v Hua-Chen Lee | 6-2,6-0 |
| ITF Women Makinohara | 2018/10/10 02:10 | Hua-Chen Lee v Kanako Morisaki | 6-1,7-6 |
| ITF Women Anning | 2018/09/29 02:15 | Xu Liu Sun v Hua-Chen Lee | 0-6,1-6 |
| ITF Women Anning | 2018/09/28 02:00 | Zhuoma Ni Ma v Hua-Chen Lee | 4-6,0-6 |
| ITF Women Anning | 2018/09/27 02:00 | Ziyi Yang v Hua-Chen Lee | 3-6,1-6 |
| ITF Women Anning | 2018/09/26 02:00 | Shou Na Mu v Hua-Chen Lee | 3-6,0-6 |
| ITF Women Anning | 2018/09/25 03:55 | Si Qi Liu v Hua-Chen Lee | 2-6,3-6 |
| ITF Women Anning | 2018/09/22 03:00 | Hua-Chen Lee v Ziyi Yang | 6-2,6-2 |