Stadium: Court A5 Round: 62 Ground: Synthetic outdoor
| ITF Women Tsukuba | 2018/08/20 02:50 | Michika Ozeki v Megumi Nishimoto | 6-3,7-5 |
| ITF Women Tsukuba | 2018/08/19 03:00 | Akari Inoue v Megumi Nishimoto | 5-7,4-6 |
| ITF Women Daegu | 2018/06/20 05:20 | Megumi Nishimoto v Ching-Wen Hsu | 4-6,1-6 |
| ITF Women Karuizawa Qual | 2018/05/21 02:20 | Megumi Nishimoto v Eri Shimizu | 2-6,6-7 |
| ITF Women Kurume Qual | 2018/05/15 01:00 | Megumi Nishimoto v Anastasia E Nefedova | 6-4,5-7,1-6 |
| ITF Women Kurume Qual | 2018/05/14 01:00 | Mihoki Miyahara v Megumi Nishimoto | 6-2,6-7,1-6 |
| ITF Women Kurume Qual | 2018/05/13 09:10 | Kyoka Kusano v Megumi Nishimoto | 0-6,0-6 |
| ITF Women Fukuoka Qual | 2018/05/06 01:00 | Robu Kajitani v Megumi Nishimoto | 6-4,6-2 |
| ITF Women Gimcheon | 2018/08/24 01:10 | Hanna Chang v Sakura Hosogi | 6-2,6-1 |
| ITF Women Gimcheon | 2018/08/23 05:00 | Hwiwon Wi v Sakura Hosogi | 2-6,5-7 |
| ITF Women Gimcheon | 2018/08/22 01:00 | Sakura Hosogi v Joanna Garland | 6-3,6-2 |
| ITF Women Gimcheon | 2018/08/21 01:00 | Sakura Hosogi v Ya Yun Pai | 6-4,6-4 |
| ITF Women Gimcheon | 2018/08/20 01:00 | Sakura Hosogi v Seon Young Um | 6-2,6-4 |
| ITF Women Gimcheon | 2018/08/16 02:25 | Sakura Hosogi v Se Jin Lee | 2-6,4-6 |
| ITF Women Gimcheon | 2018/08/15 01:00 | Rushri Wijesundera v Sakura Hosogi | 2-6,4-6 |
| ITF Women Gimcheon | 2018/08/13 02:00 | Sakura Hosogi v Jin Yoo | 2-6,7-6,6-4 |