| ITF W15 Kuching | 03/02 02:00 | 26 | Shuo Feng v Nagomi Higashitani | 6-2,6-1 | |
| ITF W15 Kuching | 03/01 10:05 | 25 | Nagomi Higashitani v Rinon Okuwaki | 6-4,0-6,6-3 | |
| ITF W15 Kuching | 02/28 01:00 | 54 | Nagomi Higashitani v Julia Peer | 6-3,2-6,10-7 | |
| ITF W15 Kuala Lumpur | 02/20 01:00 | 62 | Fitriani Sabatini v Nagomi Higashitani | 6-7,7-6,10-6 | |
| ITF W15 Ipoh | 02/13 03:00 | 62 | Ayaka Ozeki v Nagomi Higashitani | 6-1,6-2 | |
| ITF W60 Tokyo | 11/14 02:10 | 54 | Nagomi Higashitani v Nana Kawagishi | 0-6,4-6 | |
| ITF W25 Yokohama | 11/07 04:30 | 54 | Nagomi Higashitani v Himari Sato | 3-6,4-6 | |
| ITF W25 Hamamatsu | 10/09 04:35 | 62 | Nagomi Higashitani v Mio Mushika | 1-6,1-6 | |
| ITF W25 Makinohara | 10/03 00:50 | 54 | Honoka Uchiyama v Nagomi Higashitani | 6-4,6-0 | |
| ITF W25 Nanao | 09/26 00:50 | 62 | Suzuho Oshino v Nagomi Higashitani | 6-1,6-1 | |
| ITF W15 Monastir | 09/13 09:00 | 25 | Samira De Stefano v Nagomi Higashitani | 6-3,6-1 | |
| ITF W15 Monastir | 09/05 09:00 | 44 | Nagomi Higashitani v Sophie Luescher | 0-6,1-6 | |
| ITF W15 Monastir | 08/29 10:00 | 44 | Nagomi Higashitani v Zijun Jiang | 4-6,7-5,7-10 | |
| ITF W15 Monastir | 08/28 08:00 | 44 | Feriel Mahbouli v Nagomi Higashitani | 5-7,1-6 | |
| ITF W15 Monastir | 08/22 11:30 | 44 | Hanna Vinahradava v Nagomi Higashitani | 6-0,6-0 | |
| ITF W15 Monastir | 08/21 08:00 | 44 | Nagomi Higashitani v Ksenia Panteleeva | 6-1,6-2 | |
| ITF W15 Monastir Qual | 08/15 09:00 | 44 | Hanna Vinahradava v Nagomi Higashitani | 4-6,6-3,10-1 | |
| ITF W15 Tabarka | 04/03 11:35 | 25 | Ani Vangelova v Nagomi Higashitani | 6-2,6-2 | |
| ITF W15 Tabarka | 04/01 14:30 | 54 | Nagomi Higashitani v Perla Nieuwboer | 6-4,6-3 | |
| ITF W15 Tabarka | 04/01 08:30 | 54 | Isabelle Haverlag v Nagomi Higashitani | 3-6,1-6 | |
| ITF W15 Tabarka | 03/27 15:40 | 25 | Nagomi Higashitani v Chantal Skamlova | 3-6,4-6 | |
| ITF Women Gyeongsan Qual | 06/10 02:00 | 44 | Ah Song v Nagomi Higashitani | 7-5,4-6,7-5 | |
| ITF Women Osaka Qual | 04/07 04:00 | 62 | Nagomi Higashitani v Mami Hasegawa | 7-6,4-6,1-6 | |
| ITF Women Hammamet | 02/25 09:00 | 44 | Veronika Erjavec v Nagomi Higashitani | 6-0,6-1 | |
| ITF Women Hammamet | 02/18 08:30 | 44 | Nadia Echeverria Alam v Nagomi Higashitani | 4-6,7-6,6-1 | |
| ITF Women Hammamet | 02/17 09:00 | 44 | Sara Lanca v Nagomi Higashitani | 2-6,3-6 | |
| ITF Women Hammamet | 02/13 09:00 | 25 | Camille Sireix v Nagomi Higashitani | 6-3,6-2 | |
| ITF Women Hammamet | 02/11 09:00 | 54 | Nagomi Higashitani v Mayssa Tebourbi | 6-1,6-1 | |
| ITF Women Kyoto | 09/02 06:00 | 54 | Yui Chikaraishi v Nagomi Higashitani | 6-4,6-3 | |
| ITF Women Nanao Qual | 08/27 01:00 | 44 | Sakura Hondo v Nagomi Higashitani | 6-1,7-5 |