| Tsukuba, Singles W-WITF-JPN-09A | 2018/08/19 00:30 | Nagato, Momoko v Naho Sato | 4-6,2-6 |
| ITF Women Karuizawa Qual | 2017/05/22 01:00 | Nagato, Momoko v Baba, Sari | 3-6,4-6 |
| ITF Women Karuizawa Qual | 2017/05/21 02:30 | Sabastiani Leon v Nagato, Momoko | 6-4,0-6,3-6 |
| ITF Women Karuizawa Qual | 2017/05/20 01:00 | Okuda, Akiko v Nagato, Momoko | 2-6,5-7 |
| ITF Women Kashiwa Qual | 2017/04/02 05:30 | Nagato, Momoko v Michika Ozeki | 4-6,3-6 |
| ITF Women Hong Kong | 2016/07/10 02:00 | Nagato, Momoko v Alana Parnaby | 1-6,0-6 |
| ITF Women Hong Kong | 2016/07/09 05:00 | Nagato, Momoko v Yeung, Venia | 6-3,6-2 |