Stadium: Court 14 Round: 25 Ground: Hardcourt outdoor
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/18 03:20 | Seita Watanabe v Im, Seong Taek | 3-6,7-6,12-14 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/17 01:00 | Im, Seong Taek v Jeong, Young-Hoon | 5-7,6-3,10-6 |
| ITF M15 Daegu | 2019/06/04 03:00 | Im, Seong Taek v Sungbeen Sim | 0-6,1-6 |
| ITF M15 Daegu | 2019/06/03 07:00 | Im, Seong Taek v Jung, Hyeon IL | 6-2,6-1 |
| ITF Korea F5 | 2018/08/23 02:00 | Kim, Cheong-Eui v Im, Seong Taek | 7-6,6-0 |
| ITF Korea F5 | 2018/08/21 04:20 | Kim, Hyeong Don v Im, Seong Taek | 6-4,3-6,1-6 |
| ITF Korea F5 | 2018/08/20 01:00 | Han, Seong Jae v Im, Seong Taek | 2-6,2-6 |
| ITF Korea F5 | 2018/08/19 02:00 | Im, Seong Taek v Choi, Seungri | 6-3,6-2 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/13 02:30 | Thirouin, Jean v Na, Jung-Woong | 6-2,6-3 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/12 04:05 | Na, Jung-Woong v Kim, Cheong-Eui | 6-2,6-2 |
| ITF M15 Daegu | 2019/06/09 03:25 | Na, Jung-Woong v Hong, Seong Chan | 0-6,3-6 |
| ITF M15 Daegu | 2019/06/08 05:30 | Kim, Cheong-Eui v Na, Jung-Woong | 2-6,1-6 |
| ITF M15 Daegu | 2019/06/08 01:00 | Park, Uisung v Na, Jung-Woong | 1-6,4-6 |
| ITF M15 Daegu | 2019/06/06 02:00 | Na, Jung-Woong v Seita Watanabe | 6-3,6-2 |
| ITF M15 Daegu | 2019/06/04 04:50 | Na, Jung-Woong v Lim, Yong-Kyu | 6-2,6-3 |
| Challenger - Gwangju | 2019/05/13 02:00 | Yang, Tsung-Hua v Na, Jung-Woong | 6-3,7-6 |