Stadium: Centre Court Round: 25 Ground: Hardcourt outdoor
| Challenger Gwangju | 2019/05/14 02:00 | Akira Santillan v Cheong-Eui Kim | 6-4,6-1 |
| Challenger - Busan | 2019/05/06 02:00 | Maverick Banes v Cheong-Eui Kim | 6-1,7-6 |
| ITF M25 Matsuyama | 2019/04/12 02:55 | Rinky Hijikata v Cheong-Eui Kim | 6-3,6-1 |
| ITF M25 Matsuyama | 2019/04/10 07:05 | Sora Fukuda v Cheong-Eui Kim | 6-3,2-6,3-6 |
| ITF M15 Kashiwa | 2019/04/05 01:00 | Cheong-Eui Kim v Jumpei Yamasaki | 4-6,6-3,4-6 |
| ITF M15 Kashiwa | 2019/04/04 01:00 | Cheong-Eui Kim v Mark Whitehouse | 6-2,6-3 |
| ITF M15 Kashiwa | 2019/04/02 04:30 | Cheong-Eui Kim v Yo Han Sung | 6-1,6-0 |
| Challenger Zhangjiagang | 2019/03/18 03:35 | Evgeny Karlovskiy v Cheong-Eui Kim | 6-2,7-5 |
| ITF M15 Daegu | 2019/06/03 03:00 | Minjong Park v Kyubin Sakong | 6-0,6-1 |
| ITF Korea F5 | 2018/08/21 01:00 | Minjong Park v Edward Bourchier | 4-6,0-6 |
| ITF Korea F4 | 2018/08/17 01:00 | Ryota Tanuma v Minjong Park | 6-1,6-3 |
| ITF Korea F4 | 2018/08/13 03:00 | Minjong Park v William Ma | 6-3,6-1 |
| 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 | Minjong Park v Sang Yeop Kim | 6-3,6-4 |
| ITF Korea F2 | 2018/06/09 01:00 | Minjong Park v Geun Jun Kim | 6-1,6-4 |
| ITF Korea F1 | 2018/06/07 02:35 | Minjong Park v Yong-Kyu Lim | 5-7,1-6 |