Stadium: Court B4 Round: 26 Ground: Hardcourt outdoor
| ITF Women Tsukuba | 2018/08/22 00:30 | Mana Ayukawa v Bunyawi Thamchaiwat | 4-6,6-3,7-5 |
| ITF Women Tsukuba | 2018/08/20 04:20 | Anri Nagata v Mana Ayukawa | 0-6,4-6 |
| ITF Women Tsukuba | 2018/08/19 00:30 | Robu Kajitani v Mana Ayukawa | 1-6,0-6 |
| ITF Women Nonthaburi | 2018/08/15 02:00 | Mana Ayukawa v Patcharin Cheapchandej | 3-6,3-6 |
| ITF Women Nonthaburi | 2018/08/13 02:00 | Chihiro Muramatsu v Mana Ayukawa | 5-7,5-7 |
| ITF Women Nonthaburi | 2018/08/12 02:00 | Ching-Wen Hsu v Mana Ayukawa | 2-6,5-7 |
| ITF Women Nonthaburi | 2018/08/11 04:25 | Natcharee Teerachodjiranon v Mana Ayukawa | 0-6,3-6 |
| ITF Women Jinan | 2018/08/06 03:25 | Siqi Cao v Mana Ayukawa | 7-5,6-3 |
| ITF Women Tsukuba | 2018/08/21 00:30 | Yuuki Tanaka v Miyabi Inoue | 6-3,6-1 |
| ITF Women Nonthaburi | 2018/08/14 04:15 | Barbora Stefkova v Yuuki Tanaka | 6-1,7-5 |
| ITF Women Nonthaburi | 2018/08/07 05:00 | Karman Kaur Thandi v Yuuki Tanaka | 6-3,6-2 |
| ITF Women Nonthaburi | 2018/07/16 02:55 | Yuuki Tanaka v Su Jeong Jang | 3-6,2-6 |
| ITF Women Nonthaburi Qual | 2018/07/15 02:00 | Yuuki Tanaka v Gabriella Da Silva Fick | 6-4,6-3 |
| ITF Women Nonthaburi Qual | 2018/07/14 03:05 | Yuuki Tanaka v Jiaxi Lu | 6-4,1-6,6-3 |
| ITF Women Nonthaburi | 2018/07/09 05:00 | Kai-Lin Zhang v Yuuki Tanaka | 6-1,6-0 |
| ITF Women Daegu | 2018/06/19 08:30 | Yuuki Tanaka v Na Ri Kim | 1-6,3-6 |