Stadium: Court 6 Round: 45 Ground: Hardcourt outdoor
| ITF W25 Kofu | 2019/03/25 00:30 | Ji-Hee Choi v Erika Sema | 6-3,6-0 |
| ITF W25 Kashiwa | 2019/04/01 00:00 | Erika Sema v Risa Ushijima | 6-1,6-3 |
| ITF W25 Kofu | 2019/03/25 00:30 | Ji-Hee Choi v Erika Sema | 6-3,6-0 |
| ITF W25 Kofu | 2019/03/20 01:00 | Giulia Gatto Monticone v Erika Sema | 2-6,7-5,6-4 |
| ITF W25 Nishi-Tama | 2019/03/12 02:35 | Erika Sema v Emina Bektas | 4-6,6-3,3-10 |
| ITF W25 Nishi-Tama | 2019/03/11 06:00 | Erika Sema v Michika Ozeki | 6-1,6-1 |
| ITF W25 Yokohama | 2019/03/04 08:05 | Risa Ushijima v Erika Sema | 6-4,2-6,12-10 |
| ITF W25 Osaka | 2019/02/25 01:00 | Erika Sema v Rutuja Bhosale | 6-1,3-6,3-10 |
| ITF W60 Kyoto | 2019/02/18 05:40 | Megumi Nishimoto v Erika Sema | 6-3,6-4 |
| ITF W25 Kashiwa | 2019/04/01 00:00 | Himeno Sakatsume v Ji-Hee Choi | 3-6,1-6 |
| ITF W25 Kofu | 2019/03/25 01:30 | Peangtarn Plipuech v Ji-Hee Choi | 6-2,3-6,10-4 |
| ITF W25 Kofu | 2019/03/25 00:30 | Ji-Hee Choi v Erika Sema | 6-3,6-0 |
| ITF W60 Shenzhen | 2019/03/11 05:15 | Ji-Hee Choi v Hanyu Guo | 6-7,2-6 |
| ITF W25 Yokohama | 2019/03/05 01:30 | Ji-Hee Choi v Catherine Harrison | 3-6,3-6 |
| ITF W25 Yokohama | 2019/03/04 04:25 | Abigail Tere-Apisah v Ji-Hee Choi | 3-6,3-6 |
| ITF W60 Kyoto | 2019/02/18 01:00 | Ji-Hee Choi v Ling Zhang | 0-6,3-6 |
| ITF Women Shenzhen | 2018/11/04 08:25 | Lizette Cabrera v Ji-Hee Choi | 4-6,6-4,6-1 |