Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF Korea F7 | 2016/08/30 06:05 | Jung-Woong Na v Seungri Choi | 6-1,6-3 |
| ITF M15 Gimcheon | 2019/06/19 01:00 | Seong Taek Im v Jung-Woong Na | 0-6,0-6 |
| ITF M15 Gimcheon | 2019/06/13 02:30 | Jean Thirouin v Jung-Woong Na | 6-2,6-3 |
| ITF M15 Gimcheon | 2019/06/12 04:05 | Jung-Woong Na v Cheong-Eui Kim | 6-2,6-2 |
| ITF M15 Daegu | 2019/06/09 03:25 | Jung-Woong Na v Seong Chan Hong | 0-6,3-6 |
| ITF M15 Daegu | 2019/06/08 05:30 | Cheong-Eui Kim v Jung-Woong Na | 2-6,1-6 |
| ITF M15 Daegu | 2019/06/08 01:00 | Uisung Park v Jung-Woong Na | 1-6,4-6 |
| ITF M15 Daegu | 2019/06/06 02:00 | Jung-Woong Na v Seita Watanabe | 6-3,6-2 |
| ITF M15 Daegu | 2019/06/04 04:50 | Jung-Woong Na v Yong-Kyu Lim | 6-2,6-3 |
| ITF M15 Anseong | 2019/06/25 02:50 | Matthew Mendez v Seungri Choi | 6-4,3-6,10-7 |
| ITF M15 Gimcheon | 2019/06/10 04:50 | Seungri Choi v Sung Hun Kim | 3-6,4-6 |
| ITF M15 Guam | 2019/06/06 00:00 | Kento Takeuchi v Seungri Choi | 7-5,6-1 |
| ITF M15 Guam | 2019/06/05 04:15 | Takahiro Kubo v Seungri Choi | 2-6,2-6 |
| ITF Korea F6 | 2018/08/26 03:00 | Sung Jun Park v Seungri Choi | 6-1,5-7,2-6 |
| ITF Korea F6 | 2018/08/25 04:30 | Seungri Choi v Seung Heon Hong | 6-2,6-4 |
| ITF Korea F5 | 2018/08/19 02:00 | Seong Taek Im v Seungri Choi | 6-3,6-2 |
| ITF Korea F5 | 2018/08/18 03:00 | Seungri Choi v Hyun Sik Go | 6-4,7-5 |