Stadium: Show Court Round: 25 Ground: Hardcourt outdoor
| ITF W25 Goyang | 2019/05/22 04:20 | Ji-Hee Choi v Chanel Simmonds | 1-6,7-6,4-6 |
| ITF W25 Changwon | 2019/05/14 03:25 | Olivia Tjandramulia v Ji-Hee Choi | 6-2,6-2 |
| ITF W25 Osaka | 2019/04/11 04:15 | Ji-Hee Choi v Joanna Garland | 2-6,4-6 |
| ITF W25 Osaka | 2019/04/11 01:00 | Ji-Hee Choi v Anna Ureke | 6-1,6-1 |
| ITF W25 Osaka | 2019/04/08 06:40 | Ji-Hee Choi v Marina Yudanov | 4-6,6-0,11-9 |
| ITF W25 Kashiwa | 2019/04/02 00:00 | Erika Sema v Ji-Hee Choi | 6-4,6-3 |
| 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 Incheon | 2019/05/28 01:00 | Eunseo Yun v Ayaka Okuno | 1-6,0-6 |
| ITF W25 Incheon | 2019/05/27 03:30 | Anna Laguza v Ayaka Okuno | 4-6,6-0,8-10 |
| ITF W25 Karuizawa | 2019/05/21 05:40 | Ari Matsumoto v Ayaka Okuno | 4-6,6-2,10-7 |
| ITF W25 Karuizawa | 2019/05/20 03:00 | Shiho Hisamatsu v Ayaka Okuno | 4-6,2-6 |
| ITF W60 Kurume | 2019/05/13 01:55 | Alexandra Bozovic v Ayaka Okuno | 6-3,6-3 |
| ITF W60 Fukuoka | 2019/05/06 03:05 | Ayaka Okuno v Leonie Kung | 3-6,3-6 |
| ITF W80 Charlottesville | 2019/04/23 16:20 | Emily Fanning v Ayaka Okuno | 4-6,6-2,10-3 |
| ITF W80 Charlottesville | 2019/04/22 14:00 | Ana J C Roeper v Ayaka Okuno | 0-6,2-6 |