Stadium: Court 1 Round: 25
| ITF Korea F5 | 2018/08/21 02:00 | Ku Keon Kang v Jung-Woong Na | 6-4,6-7,0-6 |
| ITF Korea F5 | 2018/08/20 01:00 | Sung Jun Park v Ku Keon Kang | 3-6,1-6 |
| ITF Korea F5 | 2018/08/19 02:00 | Sungbeen Sim v Ku Keon Kang | 1-6,0-6 |
| ITF Korea F4 | 2018/08/15 01:00 | Ryota Tanuma v Ku Keon Kang | 7-5,7-6 |
| ITF Korea F4 | 2018/08/14 01:00 | Ku Keon Kang v Jung Hoon Kim | 6-0,6-1 |
| ITF Korea F4 | 2018/08/13 01:00 | Ku Keon Kang v Seoung Hun Lee | 6-2,6-2 |
| ITF Korea F3 Qual | 2018/06/17 04:30 | Ku Keon Kang v Hyeong Don Kim | 4-6,6-1,4-6 |
| ITF Korea F3 Qual | 2018/06/16 03:30 | Ku Keon Kang v Sung Hun Kim | 6-4,7-5 |
| ITF Korea F5 | 2018/08/19 02:00 | Sung Jun Park v Cheong Hwi Kim | 6-0,6-2 |
| ITF Korea F5 | 2018/08/18 03:00 | Edward Lewis v Cheong Hwi Kim | 2-6,0-6 |
| ITF Korea F4 | 2018/08/13 01:00 | Cheong Hwi Kim v Jeong Heon Lee | 3-6,6-3,3-6 |
| ITF Korea F4 | 2018/08/12 02:00 | Ang Ji v Cheong Hwi Kim | 1-6,1-6 |
| ITF Korea F4 | 2018/08/11 01:00 | Seon Yong Han v Cheong Hwi Kim | 6-4,2-6,1-6 |
| ITF Chinese Taipei F2 Qual | 2018/07/22 05:30 | Liang-Yu Lin v Cheong Hwi Kim | 6-2,6-4 |
| ITF Chinese Taipei F1 Qual | 2018/07/15 02:00 | Chih Chi Huang v Cheong Hwi Kim | 6-4,3-6,6-3 |
| ITF Malaysia F1 Qual | 2018/07/01 08:00 | Cheong Hwi Kim v Shamael Chaudhry | 3-6,5-7 |