Stadium: Court 10 Round: 54 Ground: Hardcourt outdoor
| ITF M15 Gimcheon | 2019/06/17 02:10 | Yeongseok Jeong v Seong Jae Han | 6-1,6-3 |
| ITF M15 Gimcheon | 2019/06/12 05:40 | Dominik Palan v Yeongseok Jeong | 6-1,6-3 |
| ITF M15 Tegu | 2019/06/06 03:40 | Seong-Gook Oh v Yeongseok Jeong | 6-1,6-2 |
| ITF M15 Tegu | 2019/06/05 02:55 | Yeongseok Jeong v Dominik Palan | 2-6,6-3,6-0 |
| ITF M15 Káhira | 2019/05/02 11:50 | Marko Tepavac v Yeongseok Jeong | 6-3,6-1 |
| ITF M15 Káhira | 2019/05/01 11:00 | Yeongseok Jeong v Vignesh Peranamallur | 6-3,6-1 |
| ITF M15 Káhira | 2019/04/23 08:00 | Yeongseok Jeong v Albert Alcaraz Ivorra | 5-7,3-6 |
| ITF Turkey F38 | 2018/11/29 07:00 | Jeroen Vanneste v Yeongseok Jeong | 3-6,6-4,6-3 |
| ITF M15 Gimcheon | 2019/06/17 03:30 | Jae-Won Choi v Winter Meagher | 7-6,5-7,10-6 |
| ITF M15 Gimcheon | 2019/06/10 04:00 | Jae-Won Choi v Hyun Sik Go | 4-6,6-3,2-10 |
| ITF Korea F4 | 2018/08/13 03:00 | Sung Hun Kim v Jae-Won Choi | 4-6,6-7 |
| ITF Korea F2 | 2018/06/12 04:10 | Cheong-Eui Kim v Jae-Won Choi | 6-2,6-4 |
| ITF Korea F1 | 2018/06/07 01:00 | Jae-Won Choi v Hong Chung | 6-2,4-6,5-7 |
| ITF Korea F1 | 2018/06/05 01:00 | Seong-Gook Oh v Jae-Won Choi | 1-6,5-7 |
| ITF Korea F4 | 2017/06/20 02:30 | Jeamoon Lee v Jae-Won Choi | 6-1,6-3 |
| ITF Korea F3 Qual | 2017/06/10 02:00 | Dukyoung Kim v Jae-Won Choi | 6-4,6-4 |