Stadium: Court 1 Round: 26
| ITF Korea F6 | 2018/08/29 04:40 | Lucas Catarina v Daniel Yoo | 6-2,7-6 |
| ITF Korea F5 | 2018/08/22 03:00 | Chan-Yeong Oh v Lucas Catarina | 4-6,6-2,6-1 |
| ITF Korea F5 | 2018/08/21 03:00 | Jung Hoon Kim v Lucas Catarina | 0-6,2-6 |
| Challenger Kwangdžu | 2018/08/13 08:40 | Lucas Catarina v Makoto Ochi | 3-6,2-6 |
| Challenger Lexington | 2018/07/31 01:45 | Tom Jomby v Lucas Catarina | 6-2,7-6 |
| Challenger Binghamton | 2018/07/26 23:00 | Lucas Catarina v Marcel Granollers | 2-6,4-6 |
| Challenger Binghamton | 2018/07/26 15:45 | William Blumberg v Lucas Catarina | 4-6,6-2,4-6 |
| Challenger Gatineau Qual | 2018/07/15 20:00 | Lucas Catarina v Justin Boulais | 6-0,5-7,6-7 |
| ITF Korea F6 | 2018/08/27 02:00 | Sung Hun Kim v Dylan Seong Kwan Kim | 4-6,6-7 |
| ITF Korea F6 | 2018/08/25 01:00 | Dylan Seong Kwan Kim v Yu-Seob Kim | 6-4,6-3 |
| ITF Korea F3 Qual | 2018/06/16 02:00 | Jaeheon Yoon v Dylan Seong Kwan Kim | 6-4,6-4 |
| ITF Korea F2 | 2018/06/10 02:00 | Sung Jun Park v Dylan Seong Kwan Kim | 7-6,6-1 |
| ITF Thailand F12 Qual | 2017/12/10 03:00 | Dylan Seong Kwan Kim v Yuanfeng Li | 1-6,3-6 |
| ITF Thailand F12 Qual | 2017/12/09 06:30 | Dylan Seong Kwan Kim v Vorachon Rakpuangchon | 7-5,6-1 |
| ITF Thailand F11 Qual | 2017/12/02 05:00 | Charles Roberts v Dylan Seong Kwan Kim | 6-2,7-6 |
| ITF Korea F4 | 2017/06/19 04:00 | Hong Chung v Dylan Seong Kwan Kim | 6-1,6-2 |