Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF Korea F2 | 2018/06/13 04:45 | Ji Hoon Son v Ku Keon Kang | 6-1,6-4 |
| ITF Korea F2 | 2018/06/11 03:30 | Ku Keon Kang v Alec Adamson | 7-5,2-6,7-5 |
| ITF Korea F2 | 2018/06/10 05:00 | Ku Keon Kang v Dukyoung Kim | 6-2,6-4 |
| ITF Korea F1 | 2018/06/05 01:00 | Chan-Yeong Oh v Ku Keon Kang | 6-4,6-4 |
| ITF Vietnam F3 | 2018/05/15 03:00 | Ku Keon Kang v Paramveer Singh Bajwa | 2-6,6-7 |
| ITF Vietnam F2 | 2018/05/06 06:00 | Ku Keon Kang v Aaron Addison | 3-6,2-6 |
| ITF Vietnam F2 | 2018/05/05 07:00 | Ku Keon Kang v Artem Vu | 6-3,6-3 |
| Challenger Kaohsiung Qual | 2017/09/30 05:00 | Ku Keon Kang v Marinko Matosevic | 3-6,3-6 |
| ITF Korea F2 | 2018/06/10 05:00 | Sung Hun Kim v Loic Ratsaratany | 4-6,6-4,3-6 |
| ITF Korea F2 | 2018/06/09 01:00 | Woo Hyeok Jang v Sung Hun Kim | 2-6,2-6 |
| ITF Korea F1 | 2018/06/02 01:00 | Seong Jae Han v Sung Hun Kim | 7-5,6-2 |
| ITF Korea F3 Qual | 2017/06/11 04:30 | Hyun-Joon Kim v Sung Hun Kim | 6-3,6-4 |
| ITF Korea F2 Qual | 2017/06/03 03:00 | Yu-Seob Kim v Sung Hun Kim | 6-1,6-4 |
| ITF Korea F1 Qual | 2017/05/28 01:00 | Geon Ju Shin v Sung Hun Kim | 6-2,6-2 |
| Challenger Gimcheon Qual | 2017/04/29 03:15 | Alexander Sarkissian v Sung Hun Kim | 6-1,6-2 |
| ITF Korea F1 Qual | 2016/06/12 03:00 | Dylan Seong Kwan Kim v Sung Hun Kim | 6-0,6-3 |