Stadium: Court A9 Round: 25 Ground: Synthetic outdoor
| ITF Women Nanao | 2017/08/31 01:00 | 今西美晴 v Nishimoto, Megumi | 6-0,6-4 |
| ITF Women Nanao | 2018/08/27 01:00 | Nishimoto, Megumi v 細木 咲良 | 6-2,6-2 |
| 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 |
| Tsukuba, Singles W-WITF-JPN-09A | 2018/08/22 03:20 | 本玉 真唯 v 今西美晴 | 6-1,6-0 |
| Wimbledon Women Qual | 2018/06/26 13:20 | ダリア・ジャクポビック v 今西美晴 | 6-2,6-2 |
| ITF Women Ilkley Qual | 2018/06/19 10:00 | 今西美晴 v サンチェス,マリア | 2-6,7-5,2-6 |
| ITF Women Ilkley Qual | 2018/06/18 11:00 | 今西美晴 v エデン シルバ | 6-3,6-3 |
| ITF Women Ilkley Qual | 2018/06/17 13:35 | 今西美晴 v ソフィー・チャン | 7-6,6-4 |
| WTA Nottingham Qual | 2018/06/09 13:45 | 今西美晴 v タラ・ムーア | 2-6,3-6 |
| French Open Women Qual | 2018/05/22 13:40 | 今西美晴 v リシェル・ホーヘンカンプ | 2-6,0-6 |
| ITF Women Gifu | 2018/05/04 01:00 | 日比野 菜緒 v 今西美晴 | 2-6,7-6,6-1 |