| ITF Korea F2 Qual | 2017/06/03 01:00 | Ku Keon Kang v Cho, Gwang Hyeon | 6-0,6-1 |
| ITF Korea F1 | 2017/06/01 01:00 | Noh, Sang-Woo v Ku Keon Kang | 7-5,7-6 |
| ITF Korea F1 | 2017/05/31 02:00 | Ku Keon Kang v Kwon, OH-Hee | 2-6,7-5,6-0 |
| ITF Korea F1 Qual | 2017/05/29 04:35 | Ku Keon Kang v Cho, Gwang Hyeon | 7-5,4-6,6-2 |
| ITF Korea F1 Qual | 2017/05/28 03:30 | Ku Keon Kang v Kim, Sang Yeop | 7-5,6-2 |
| Challenger Ho Chi Minh City Qual | 2016/10/08 06:10 | Sidharth Rawat v Ku Keon Kang | 6-4,6-1 |
| ITF Vietnam F6 - Final | 2016/09/27 04:40 | Onoda, Ken v Ku Keon Kang | 6-3,6-1 |
| ITF Vietnam F8 | 2016/09/25 03:00 | Ku Keon Kang v Nguyen, David | 6-4,6-1 |
| ITF Korea F2 Qual | 2017/06/03 03:00 | Lee, Seounghun v Suk Ann | 6-2,6-3 |
| ITF Korea F8 | 2016/09/03 03:30 | Su, Chuanqi v Lee, Seounghun | 6-7,1-6 |
| ITF Korea F8 | 2016/08/20 05:00 | Lee, Seounghun v Lee, Tae-Woo | 2-6,4-6 |
| ITF Korea F1 Qual | 2016/06/11 01:00 | Han, Jin Sung v Lee, Seounghun | 4-6,6-4,7-5 |