Stadium: Court 12 Round: 62
| ITF Korea F4 | 2018/08/12 02:00 | Ji, Ang v Kim, Cheong Hwi | 1-6,1-6 |
| ITF Korea F4 | 2018/08/11 01:00 | Seon Yong Han v Kim, Cheong Hwi | 6-4,2-6,1-6 |
| ITF Chinese Taipei F2 Qual | 2018/07/22 05:30 | Lin, Liang Yu Richard v Kim, Cheong Hwi | 6-2,6-4 |
| ITF Chinese Taipei F1 Qual | 2018/07/15 02:00 | Huang, Chih Chi v Kim, Cheong Hwi | 6-4,3-6,6-3 |
| ITF Malaysia F1 Qual | 2018/07/01 08:00 | Kim, Cheong Hwi v Chaudhry, Shamael | 3-6,5-7 |
| ITF Malaysia F1 Qual | 2018/07/01 02:00 | Jewoor, Naesar v Kim, Cheong Hwi | 3-6,3-6 |
| Korea F3, Singles Qualifying | 2018/06/16 05:00 | Yun, Jae Won v Kim, Cheong Hwi | 6-0,5-7,6-1 |
| ITF China F6 Qual | 2018/05/12 09:10 | Sheng Tang v Kim, Cheong Hwi | 7-5,6-3 |
| ITF Korea F4 | 2018/08/12 02:00 | Jeong Heon Lee v Kumthonkittikul, W. | 6-2,6-3 |
| ITF Korea F4 | 2018/08/11 01:00 | Jeong Heon Lee v Jin, Hyun Bin | 6-1,6-2 |
| ITF Korea F2 | 2018/06/10 06:30 | Wang, Chukang v Jeong Heon Lee | 2-6,6-3,6-0 |
| ITF Korea F2 | 2018/06/09 02:00 | Jeong Heon Lee v Joo, Y. | 6-4,6-1 |
| ITF Korea F1 | 2018/06/02 01:00 | Jeong Heon Lee v Yu, Seong Woon | 6-1,3-6,2-6 |
| ITF Korea F5 | 2017/06/28 02:25 | Jeong Heon Lee v Jae Hwan Kim | 1-6,4-6 |
| ITF Korea F5 | 2017/06/26 01:30 | Lee, Dae-Hee v Jeong Heon Lee | 4-6,6-2,4-6 |
| ITF Korea F4 | 2017/06/17 03:00 | Jeong Heon Lee v Kim, Woo-Ram | 4-6,2-6 |