Stadium: Court 2 Round: 54 Ground: Hardcourt outdoor
| Kashiwa, Qualifications Simples W-ITF-JPN-07A | 2019/04/02 00:00 | Erika Sema v Choi, Ji-Hee | 6-4,6-3 |
| Kashiwa, Qualifications Simples W-ITF-JPN-07A | 2019/04/01 00:00 | Himeno Sakatsume v Choi, Ji-Hee | 3-6,1-6 |
| Kofu, Qualifications Simples W-ITF-JPN-05A | 2019/03/25 01:30 | Peangtarn Plipuech v Choi, Ji-Hee | 6-2,3-6,10-4 |
| Kofu, Qualifications Simples W-ITF-JPN-05A | 2019/03/25 00:30 | Choi, Ji-Hee v Erika Sema | 6-3,6-0 |
| Shenzhen, Simples W-ITF-CHN-04A | 2019/03/11 05:15 | Choi, Ji-Hee v Hanyu Guo | 6-7,2-6 |
| ITF W25 Yokohama | 2019/03/05 01:30 | Choi, Ji-Hee v Catherine Harrison | 3-6,3-6 |
| ITF W25 Yokohama | 2019/03/04 04:25 | Tere-Apisah, Abigail v Choi, Ji-Hee | 3-6,3-6 |
| ITF W60 Kyoto | 2019/02/18 01:00 | Choi, Ji-Hee v Zhang, Ling | 0-6,3-6 |
| Osaka, Singles W-ITF-JPN-02A | 2019/04/08 01:00 | Oshino, Suzuho v Yudanov, Marina | 2-6,4-6 |
| Kashiwa, Qualifications Simples W-ITF-JPN-07A | 2019/04/02 00:00 | Yudanov, Marina v Dabin Kim | 5-7,5-7 |
| Kashiwa, Qualifications Simples W-ITF-JPN-07A | 2019/04/01 06:00 | Yudanov, Marina v Yukina Saigo | 6-2,6-2 |
| ITF - W15 Sharm El Sheikh | 2019/03/07 08:00 | Tamira Paszek v Yudanov, Marina | 6-0,6-2 |
| ITF - W15 Sharm El Sheikh | 2019/03/05 08:00 | Mihaela Djakovic v Yudanov, Marina | 6-1,4-6,6-7 |
| ITF - W15 Sharm El Sheikh | 2019/02/27 13:45 | Yudanov, Marina v Nikola Breckova | 6-3,2-6,0-6 |
| ITF W25 Glasgow | 2019/02/18 16:00 | Scholsen, Helene v Yudanov, Marina | 6-2,6-3 |
| ITF W25 Glasgow | 2019/02/18 10:00 | Yudanov, Marina v Irene Burillo Escorihuela | 6-3,6-2 |