Stadium: Court 6 Round: 54
| ITF Women Tsukuba Qual | 2017/08/20 00:30 | Miyahara, Mihoki v Nishimoto, Megumi | 1-6,0-6 |
| ITF Women Kurume Qual | 2018/05/13 05:55 | Miyahara, Mihoki v 아라타케, 메이나 | 6-1,6-1 |
| ITF Women Fukuoka Qual | 2018/05/06 05:25 | 호소투마, 치사 v Miyahara, Mihoki | 6-1,7-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/18 01:00 | 케즈카, 치에 v Miyahara, Mihoki | 6-2,6-2 |
| ITF Women Hong Kong | 2017/12/24 02:00 | 슈트지아디, 알딜라 v Miyahara, Mihoki | 6-1,6-2 |
| ITF Women Hong Kong | 2017/12/23 04:00 | 람, 윙 키우 야쿠엘린 v Miyahara, Mihoki | 4-6,1-6 |
| Tokyo, Singles Qualifying W-C100-JPN-01A | 2017/11/04 01:00 | 시미즈, 에리 v Miyahara, Mihoki | 6-2,6-0 |
| Hamamatsu, Singles Qualifying W-C25-JPN-06A | 2017/10/16 02:00 | Itaya, Rion v Miyahara, Mihoki | 6-3,6-4 |
| Makinohara, Singles Qualifying W-C25-JPN-05A | 2017/10/08 00:30 | 호소키, 유카 v Miyahara, Mihoki | 4-6,6-4,6-3 |
| 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 | 카지타니, 로부 v Nishimoto, Megumi | 6-4,6-2 |
| ITF Women Osaka Qual | 2018/04/07 01:30 | 무라마츠, 치히로 v Nishimoto, Megumi | 6-1,6-1 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/03/24 00:30 | Medcalf, Anne-Marie v Nishimoto, Megumi | 7-6,3-6,7-5 |
| ITF Women Toyota Qual | 2018/03/10 03:00 | Nishimoto, Megumi v 김, 나리 | 6-1,5-7,4-6 |
| Yokohama, Singles W-WITF-JPN-01B | 2018/03/08 01:00 | 다트, 하리에트 v Nishimoto, Megumi | 6-3,7-5 |
| Yokohama, Singles W-WITF-JPN-01B | 2018/03/07 04:25 | Nishimoto, Megumi v 브레시아, 게오르지아 | 6-4,4-6,7-5 |
| ITF Women Hong Kong | 2017/12/25 02:00 | Chiang, Yuki Kristina v Nishimoto, Megumi | 6-0,0-6,7-5 |