Round: 44 Ground: Hardcourt outdoor
| Korea F1, Singles | 2018/06/02 02:00 | Lee, Min Hyun v Kim, Byeonghun | 6-2,3-6,0-6 |
| ITF Korea F5 | 2017/06/26 03:30 | Kim, Byeonghun v Сунг Жун Парк | 0-6,6-3,0-6 |
| ITF Korea F4 | 2017/06/19 01:00 | Sin, Dong-Hak v Kim, Byeonghun | 6-3,6-1 |
| ITF Korea F2 Qual | 2017/06/05 03:00 | Чо, Хьеонг Жин v Kim, Byeonghun | 6-1,1-6,7-5 |
| ITF Korea F2 Qual | 2017/06/04 04:30 | Kim, Byeonghun v Ким, А-Рам | 4-6,6-2,6-4 |
| ITF Korea F2 Qual | 2017/06/03 02:00 | Kim, Byeonghun v Shin, Geon Ju | 4-6,6-1,6-0 |
| Korea F1, Singles | 2017/05/30 02:40 | Kim, Byeonghun v Макото Очи | 2-6,0-6 |
| ITF Korea F4 | 2017/06/17 04:00 | Park, Jun Sang v Yoon, Jaeheon | 6-0,6-2 |
| Korea F3, Singles Qualifying | 2017/06/11 03:00 | Yoon, Jaeheon v Чо, Хьеонг Жин | 2-6,1-6 |
| ITF Korea F2 Qual | 2017/06/03 03:00 | Тхэ-Ву Ли v Yoon, Jaeheon | 7-6,6-2 |
| ITF Korea F1 Qual | 2016/06/12 03:00 | О Хи Квон v Yoon, Jaeheon | 6-1,6-0 |
| Korea F1, Singles | 2015/05/16 01:00 | Сон Йон Хан v Yoon, Jaeheon | 7-5,6-0 |