Stadium: Centre Court Round: 25
| ITF Korea F4 | 2018/08/14 01:00 | Kang, Ku Keon v Kim, Jung Hoon | 6-0,6-1 |
| Korea F3, Singles Qualifying | 2018/06/16 02:00 | Park, Jun Sang v Kim, Jung Hoon | 6-2,6-1 |
| ITF Korea F2 | 2018/06/09 01:00 | Kim, Jung Hoon v Park, Sung Jun | 0-6,2-6 |
| ITF Korea F1 | 2018/06/03 04:00 | Kim, Jung Hoon v Ratsaratany, Loic | 2-6,1-6 |
| ITF Korea F1 | 2018/06/02 04:00 | Kim, Jung Hoon v Jung, Hyeon IL | 6-3,7-5 |
| ITF Korea F4 | 2017/06/20 04:05 | Kim, Woo-Ram v Kim, Jung Hoon | 6-2,6-0 |
| Challenger - Gwangju | 2018/08/13 08:40 | Lucas Catarina v Makoto Ochi | 3-6,2-6 |
| Challenger Lexington | 2018/07/31 01:45 | Jomby, Tom v Lucas Catarina | 6-2,7-6 |
| Binghamton, USA | 2018/07/26 23:00 | Lucas Catarina v Granollers, Marcel | 2-6,4-6 |
| Binghamton, USA | 2018/07/26 15:45 | Blumberg, William v Lucas Catarina | 4-6,6-2,4-6 |
| Challenger Gatineau Qual | 2018/07/15 20:00 | Lucas Catarina v Boulais, Justin | 6-0,5-7,6-7 |
| Challenger Gatineau Qual | 2018/07/15 02:00 | Lucas Catarina v Takeuchi, Kento (1987) | 6-3,6-3 |
| Winnetka, USA | 2018/07/10 19:05 | Mohamed Safwat v Lucas Catarina | 6-2,6-4 |
| Challenger Fergana Qual | 2018/06/16 05:00 | Lucas Catarina v Lozan, Kristian | 3-6,6-7 |