| ITF W25 Makinohara | 10/02 00:30 | 54 | 마츠모토, 유카 v Higashitani, Nagomi | 6-4,2-6,5-10 | |
| ITF W40 Nanao | 09/25 02:00 | 54 | 오시노, 스즈호 v Higashitani, Nagomi | 6-3,6-3 | |
| ITF W40 Nanao | 09/24 01:00 | 54 | Tomoko Kato v Higashitani, Nagomi | 2-6,5-7 | |
| Kyoto, Singles Qualifying W-ITF-JPN-15A | 09/17 01:00 | 54 | 리유, 리사-마리에 v Higashitani, Nagomi | 6-4,6-2 | |
| UTR Pro Takasaki Women | 09/09 08:27 | - | Higashitani, Nagomi v Aya Ishii | 6-4,6-3 | |
| UTR Pro Takasaki Women | 09/09 01:15 | - | Higashitani, Nagomi v Arisa Kobayashi | 6-3,6-1 | |
| UTR Pro Takasaki Women | 09/06 02:16 | - | Higashitani, Nagomi v 시게타, 무아 | 6-3,6-2 | |
| UTR Pro Takasaki Women | 09/05 00:30 | - | Higashitani, Nagomi v Yoshioka, Kisa | 2-6,4-6 | |
| UTR Pro Takasaki Women | 09/04 01:51 | - | Uchiyama, Honoka v Higashitani, Nagomi | 1-6,2-6 | |
| ITF W40 Tbilisi | 08/07 05:00 | 54 | Higashitani, Nagomi v Sopiko Tsitskishvili | 1-6,0-6 | |
| ITF W40 Tbilisi | 08/06 05:00 | 54 | Higashitani, Nagomi v Vlada Stepanova | 6-0,6-0 | |
| ITF W15 Tbilisi | 08/04 09:15 | 27 | Higashitani, Nagomi v Kostic, Tamara | 6-7,4-6 | |
| ITF W15 Tbilisi | 08/03 09:35 | 26 | Higashitani, Nagomi v Natali Jaiani | 6-4,6-2 | |
| ITF W15 Tbilisi | 08/02 08:15 | 25 | Celine Simunyu v Higashitani, Nagomi | 3-6,0-6 | |
| ITF W40 Tbilisi | 08/01 05:00 | 54 | Higashitani, Nagomi v 가비쉬, 아디 | 6-3,6-0 | |
| ITF W40 Tbilisi | 07/31 06:00 | 54 | Higashitani, Nagomi v Mariam Tetradze | 6-1,6-4 | |
| ITF W40 Hong Kong | 07/04 03:05 | 54 | 카와기시, 나나 v Higashitani, Nagomi | 6-3,2-6,7-5 | |
| ITF W40 Hong Kong | 07/03 04:20 | 54 | 장, 잉 v Higashitani, Nagomi | 2-6,6-7 | |
| ITF W15 Kawaguchi | 06/13 05:15 | 54 | Higashitani, Nagomi v Sarasa Kaneko | 3-6,3-6 | |
| ITF W15 Kawaguchi | 06/13 00:00 | 54 | Higashitani, Nagomi v Hikari Yamamoto | 6-2,4-6,10-6 | |
| ITF W15 Kashiwa | 06/07 01:00 | 25 | Higashitani, Nagomi v Hasegawa, Mei | 7-5,2-6,4-6 | |
| ITF W15 Kashiwa | 06/05 01:00 | 54 | Higashitani, Nagomi v Nishimoto, Sera | 6-0,6-2 | |
| ITF W25 Tokyo | 05/28 01:00 | 54 | Higashitani, Nagomi v 나가타, 안리 | 6-1,0-6,7-10 | |
| Karuizawa, Singles W-ITF-JPN-12A | 05/22 00:30 | 54 | Higashitani, Nagomi v 나가타, 안리 | 3-6,5-7 | |
| ITF W15 Fukui | 04/25 01:00 | 19 | Rinon Okuwaki v Higashitani, Nagomi | 7-6,6-1 | |
| ITF W15 Fukui | 04/24 02:00 | 54 | Kaho Oyama v Higashitani, Nagomi | 0-6,1-6 | |
| Osaka, Singles W-ITF-JPN-02A | 04/17 03:30 | 54 | Katsumi, Nanari v Higashitani, Nagomi | 6-1,6-1 | |
| Osaka, Singles W-ITF-JPN-02A | 04/09 01:00 | 62 | Higashitani, Nagomi v 야마구치, 메이 | 3-6,1-6 | |
| Kofu, Singles Qualifying W-ITF-JPN-05A | 03/27 02:30 | 62 | Higashitani, Nagomi v Rinon Okuwaki | 7-5,2-6,3-10 | |
| ITF W15 Hinode | 03/20 03:00 | 44 | Higashitani, Nagomi v Tsutsumi, Karen | 5-7,3-6 |