| ITF Indonesia F5 | 2016/12/07 05:25 | Kim, Cheong-Eui v Yunseong Chung | 6-2,5-7,7-5 |
| ITF China F2 Qual | 2015/04/17 02:00 | Yunseong Chung v Kim, Cheong-Eui | 7-5,6-7,4-6 |
| ITF Korea F4 | 2017/06/22 04:05 | Yunseong Chung v Oh, Seong-Gook | 6-2,6-2 |
| ITF Korea F4 | 2017/06/20 04:15 | Yunseong Chung v Lee, Dong-Kyu | 6-3,6-2 |
| ITF Korea F3 | 2017/06/15 01:00 | Yunseong Chung v Yoo, Daniel | 5-7,4-6 |
| ITF Korea F3 | 2017/06/14 01:00 | Yunseong Chung v Son, Ji Hoon | 7-6,6-4 |
| ITF Korea F2 | 2017/06/08 01:00 | Yunseong Chung v Son, Ji Hoon | 6-7,6-0,6-7 |
| ITF Korea F2 | 2017/06/07 07:25 | Yunseong Chung v Lee, Tae-Woo | 6-2,6-7,6-1 |
| ITF Korea F1 | 2017/05/31 01:00 | Kim, Seong Kwan v Yunseong Chung | 5-7,6-3,6-4 |
| Challenger Busan Qual | 2017/05/13 05:50 | Yunseong Chung v Oh, Seong-Gook | 6-4,6-7,3-6 |
| ITF Korea F4 | 2017/06/22 02:00 | Na, Jung-Woong v Kim, Cheong-Eui | 6-4,2-6,1-6 |
| ITF Korea F4 | 2017/06/20 04:30 | Kim, Sang Yeop v Kim, Cheong-Eui | 0-6,2-6 |
| ITF Korea F3 | 2017/06/18 03:25 | Kim, Cheong-Eui v Lee, Tae-Woo | 7-6,6-4 |
| ITF Korea F3 | 2017/06/17 02:00 | Kim, Cheong-Eui v Chung, Hong | 6-1,6-3 |
| ITF Korea F3 | 2017/06/16 02:00 | Kim, Cheong-Eui v Jeong, Young-Hoon | 6-3,6-0 |
| ITF Korea F3 | 2017/06/15 03:00 | Kim, Cheong-Eui v Kang, Ku Keon | 6-3,6-1 |
| ITF Korea F3 | 2017/06/14 01:00 | Kim, Cheong-Eui v Lee, Dong-Kyu | 1-6,6-4,6-3 |
| ITF Korea F2 | 2017/06/10 02:00 | Kim, Cheong-Eui v Jeamoon Lee | 6-1,5-7,4-6 |