Stadium: Court A5 Round: 62 Ground: Synthetic outdoor
| Tsukuba, Singles W-WITF-JPN-09A | 2018/08/20 02:50 | 小関 みちか v Nishimoto, Megumi | 6-3,7-5 |
| Tsukuba, Singles W-WITF-JPN-09A | 2018/08/19 03:00 | 井上 明里 v Nishimoto, Megumi | 5-7,4-6 |
| ITF Women Daegu | 2018/06/20 05:20 | Nishimoto, Megumi v ス,チン・ウェン | 4-6,1-6 |
| ITF Women Karuizawa Qual | 2018/05/21 02:20 | Nishimoto, Megumi v シミズ・エリ | 2-6,6-7 |
| ITF Women Kurume Qual | 2018/05/15 01:00 | Nishimoto, Megumi v アナスタシア・E ネフェドワ | 6-4,5-7,1-6 |
| ITF Women Kurume Qual | 2018/05/14 01:00 | Miyahara, Mihoki v Nishimoto, Megumi | 6-2,6-7,1-6 |
| ITF Women Kurume Qual | 2018/05/13 09:10 | Kusano, Kyoka v Nishimoto, Megumi | 0-6,0-6 |
| ITF Women Fukuoka Qual | 2018/05/06 01:00 | カジタニ,ロブ v Nishimoto, Megumi | 6-4,6-2 |
| ITF Women Gimcheon | 2018/08/24 01:10 | ハンナ・チャン v 細木 咲良 | 6-2,6-1 |
| ITF Women Gimcheon | 2018/08/23 05:00 | Hwiwon Wi v 細木 咲良 | 2-6,5-7 |
| ITF Women Gimcheon | 2018/08/22 01:00 | 細木 咲良 v ジョアナ・ガーランド | 6-3,6-2 |
| ITF Women Gimcheon | 2018/08/21 01:00 | 細木 咲良 v パイ・ヤ・ユン | 6-4,6-4 |
| ITF Women Gimcheon | 2018/08/20 01:00 | 細木 咲良 v ウン,ソン・ヨン | 6-2,6-4 |
| ITF Women Gimcheon | 2018/08/16 02:25 | 細木 咲良 v リー,セイ・ジン | 2-6,4-6 |
| ITF Women Gimcheon | 2018/08/15 01:00 | ラシュリ・ウィジェスンデラ v 細木 咲良 | 2-6,4-6 |
| ITF Women Gimcheon | 2018/08/13 02:00 | 細木 咲良 v Yoo, Jin | 2-6,7-6,6-4 |