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