Round: 44 Ground: Hardcourt outdoor
| ITF Corea F2 - Qual. | 2017/06/05 03:00 | Hyeong Jin Cho v Byeonghun Kim | 6-1,1-6,7-5 |
| ITF Corea F1 | 2018/06/03 02:00 | Jae-Min Seol v Hyeong Jin Cho | 3-6,2-6 |
| ITF Corea F1 | 2018/06/02 01:00 | Hyeong Jin Cho v Seungri Choi | 6-2,6-4 |
| ITF Corea F3 - Qual. | 2017/06/12 03:00 | Jae Hwan Kim v Hyeong Jin Cho | 6-1,6-0 |
| ITF Corea F3 - Qual. | 2017/06/11 03:00 | Jaeheon Yoon v Hyeong Jin Cho | 2-6,1-6 |
| ITF Corea F3 - Qual. | 2017/06/10 02:00 | Hyeong Jin Cho v Min Hyun Lee | 7-6,7-6 |
| ITF Corea F2 | 2017/06/07 05:55 | Ji Hoon Son v Hyeong Jin Cho | 6-1,6-1 |
| ITF Corea F2 - Qual. | 2017/06/05 03:00 | Hyeong Jin Cho v Byeonghun Kim | 6-1,1-6,7-5 |
| ITF Corea F2 - Qual. | 2017/06/04 04:30 | Hyeong Jin Cho v Young Min Joo | 3-6,6-4,7-5 |
| ITF Corea F1 | 2018/06/03 02:00 | Byeonghun Kim v Jaeheon Yoon | 6-1,6-2 |
| ITF Corea F1 | 2018/06/02 02:00 | Min Hyun Lee v Byeonghun Kim | 6-2,3-6,0-6 |
| ITF Corea del Sud F5 | 2017/06/26 03:30 | Byeonghun Kim v Sung Jun Park | 0-6,6-3,0-6 |
| ITF Corea F4 | 2017/06/19 01:00 | Dong-Hak Sin v Byeonghun Kim | 6-3,6-1 |
| ITF Corea F2 - Qual. | 2017/06/05 03:00 | Hyeong Jin Cho v Byeonghun Kim | 6-1,1-6,7-5 |
| ITF Corea F2 - Qual. | 2017/06/04 04:30 | Byeonghun Kim v A-Ram Kim | 4-6,6-2,6-4 |
| ITF Corea F2 - Qual. | 2017/06/03 02:00 | Byeonghun Kim v Geon Ju Shin | 4-6,6-1,6-0 |
| ITF Corea F1 | 2017/05/30 02:40 | Byeonghun Kim v Makoto Ochi | 2-6,0-6 |