| ITF W15 Toyama | 05/16 01:35 | 26 | 아키타, 시호 v Higashitani, Nagomi | 6-2,6-3 | |
| ITF W15 Toyama | 05/15 04:45 | 25 | Minori Ishida v Higashitani, Nagomi | 6-7,2-6 | |
| ITF W35 Osaka | 04/07 02:00 | 62 | Arakawa, Natsuho v Higashitani, Nagomi | 5-7,4-6 | |
| ITF W35 Osaka | 04/07 01:00 | 62 | 시미즈, 에리 v Higashitani, Nagomi | 6-3,6-4 | |
| ITF W15 Hinode | 03/17 02:00 | 62 | Moeka Miyata v Higashitani, Nagomi | 6-4,3-6,10-6 | |
| ITF W35 Monastir | 01/21 12:00 | 44 | Amelia Waligora v Higashitani, Nagomi | 6-0,6-1 | |
| ITF W15 Monastir | 01/11 10:00 | 26 | 하나타니, 나기 v Higashitani, Nagomi | Retired | |
| ITF W15 Monastir | 01/09 10:40 | 25 | Higashitani, Nagomi v Alyssa Reguer | 1-6,6-3,6-1 | |
| ITF W15 Monastir | 01/04 10:25 | 26 | Higashitani, Nagomi v Stefania Bojica | 3-6,5-7 | |
| ITF W15 Monastir | 01/03 08:30 | 25 | Higashitani, Nagomi v Rinon Okuwaki | 6-1,4-6,6-3 | |
| ITF W15 Monastir | 01/02 09:40 | 62 | Higashitani, Nagomi v 코비, 프란세스카 | 6-4,0-6,10-7 | |
| ITF W15 Monastir | 12/28 11:25 | 26 | Higashitani, Nagomi v 베키리, 치라즈 | 4-6,5-7 | |
| ITF W15 Monastir | 12/27 16:45 | 25 | Higashitani, Nagomi v 코비, 프란세스카 | 6-0,6-1 | |
| ITF W15 Monastir | 12/26 10:45 | 15 | Higashitani, Nagomi v 파이에트, 파울린 | 6-4,2-6,10-2 | |
| ITF W25 Nairobi | 12/19 05:55 | 25 | Higashitani, Nagomi v 렌, 에마 | 1-6,2-6 | |
| ITF W25 Nairobi | 12/12 07:25 | 25 | Higashitani, Nagomi v Cherubini, Diletta | 3-6,4-6 | |
| ITF W25 Nairobi | 12/10 09:00 | 54 | Higashitani, Nagomi v Sonia Tuyishime | 6-0,6-0 | |
| UTR Pro Kawaguchi Women | 11/19 02:30 | - | Hinata Chiba v Higashitani, Nagomi | 6-0,4-6,6-3 | |
| UTR Pro Kawaguchi Women | 11/18 02:30 | - | 호소투마, 치사 v Higashitani, Nagomi | 1-4 | |
| UTR Pro Kawaguchi Women | 11/16 03:30 | - | Higashitani, Nagomi v Sayuri Hata | 6-3,6-0 | |
| UTR Pro Kawaguchi Women | 11/15 02:00 | - | Higashitani, Nagomi v Rio Maeda | 6-0,6-2 | |
| UTR Pro Kawaguchi Women | 11/14 02:00 | - | Higashitani, Nagomi v Azuna Ichioka | 7-5,6-2 | |
| UTR Pro Kawaguchi Women | 11/13 00:30 | - | Higashitani, Nagomi v Furukawa, Suzuka | 6-3,6-3 | |
| ITF W25 Hamamatsu | 10/11 01:00 | 25 | Higashitani, Nagomi v 오제키, 미치카 | 3-6,3-6 | |
| ITF W25 Hamamatsu | 10/09 06:00 | 62 | Higashitani, Nagomi v 푸루야, 미치루 | 6-0,6-4 | |
| ITF W25 Makinohara | 10/03 00:30 | 54 | 이, 은혜 v Higashitani, Nagomi | 6-1,6-1 | |
| 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 |