Stadium: Court 4 Round: 28
| ITF Korea F6 | 2018/08/31 06:00 | Lucas Catarina v Yeongseok Jeong | 3-6,6-2,6-2 |
| ITF Korea F6 | 2018/08/30 05:50 | Lucas Catarina v Dylan Seong Kwan Kim | 6-2,6-4 |
| 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 Gwangju | 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 |
| ITF Korea F6 | 2018/08/31 03:00 | Sanhui Shin v Tae-Woo Lee | 6-4,6-3 |
| ITF Korea F6 | 2018/08/30 03:00 | Seon Yong Han v Sanhui Shin | 1-6,3-6 |
| ITF Korea F3 | 2018/06/21 03:20 | Sanhui Shin v Cheong-Eui Kim | 6-7,3-6 |
| ITF Korea F3 | 2018/06/19 08:30 | Yeongseok Jeong v Sanhui Shin | 6-4,5-7,2-6 |
| ITF Korea F3 Qual | 2018/06/18 03:30 | Seon Yong Han v Sanhui Shin | 1-6,6-2,4-6 |
| ITF Korea F3 Qual | 2018/06/17 04:30 | Sanhui Shin v Minjong Park | 6-0,6-7,6-4 |
| ITF Korea F3 Qual | 2018/06/16 03:30 | Sanhui Shin v Byeonghun Kim | 6-2,6-0 |
| Challenger Seoul Qual | 2018/04/29 02:00 | Luke Saville v Sanhui Shin | 6-1,6-1 |