Stadium: Court 10 Round: 62
| ITF Women Hammamet | 2018/02/25 09:00 | Veronika Erjavec v Nagomi Higashitani | 6-0,6-1 |
| ITF Women Hammamet | 2018/02/18 08:30 | Nadia Echeverria Alam v Nagomi Higashitani | 4-6,7-6,6-1 |
| ITF Women Hammamet | 2018/02/17 09:00 | Sara Lanca v Nagomi Higashitani | 2-6,3-6 |
| ITF Women Hammamet | 2018/02/13 09:00 | Camille Sireix v Nagomi Higashitani | 6-3,6-2 |
| ITF Women Hammamet | 2018/02/11 09:00 | Nagomi Higashitani v Mayssa Tebourbi | 6-1,6-1 |
| ITF Women Kyoto | 2017/09/02 06:00 | Yui Chikaraishi v Nagomi Higashitani | 6-4,6-3 |
| ITF Women Nanao Qual | 2017/08/27 01:00 | Sakura Hondo v Nagomi Higashitani | 6-1,7-5 |
| ITF Women Anning Qual | 2017/07/01 08:00 | Deria Nur Haliza v Nagomi Higashitani | 6-1,6-2 |
| ITF Women Kofu Qual | 2018/03/26 01:00 | Mami Hasegawa v Shiho Akita | 2-6,0-6 |
| ITF Women Kofu Qual | 2018/03/25 02:30 | Mami Hasegawa v Kotomi Takahata | 6-2,7-6 |
| ITF Women Kofu Qual | 2018/03/24 04:00 | Ling Zhang v Mami Hasegawa | 6-4,4-6,6-7 |
| ITF Women Nishi-Tama | 2018/03/22 03:00 | Mami Hasegawa v Giulia Gatto Monticone | 2-6,1-6 |
| ITF Women Nishi-Tama | 2018/03/21 02:00 | Mami Hasegawa v Makoto Yamaguchi | 6-4,6-2 |
| ITF Women Nishi-Tama | 2018/03/19 01:00 | Yukina Saigo v Mami Hasegawa | 3-6,4-6 |
| ITF Women Nishi-Tama | 2018/03/18 01:00 | Aoi Ishino v Mami Hasegawa | 5-7,0-6 |
| ITF Women Nishi-Tama | 2018/03/17 01:00 | Mami Hasegawa v Ange Oby Kajuru | 6-4,2-6,6-2 |