| 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 | Jae Hwan Kim v Yoo, Daniel | 5-7,5-7 |
| ITF Korea F2 | 2017/06/07 03:50 | Song, Min-Kyu v Yoo, Daniel | 3-6,7-6,6-4 |
| ITF Korea F1 | 2017/05/31 01:00 | Yoo, Daniel v Na, Jung-Woong | 3-6,3-6 |
| ITF USA F5 | 2017/01/21 19:00 | Yoo, Daniel v de Paula, Fabiano | 6-1,3-6,6-7 |
| ITF USA F5 | 2017/01/20 21:00 | Goldenberg, Dustin v Yoo, Daniel | 0-6,1-6 |
| ITF USA F4 | 2017/01/14 17:00 | Goldin, Grayson M. v Yoo, Daniel | 6-1,6-4 |
| ITF USA F4 | 2017/01/13 23:00 | Bogdanovich, Maksim v Yoo, Daniel | 1-6,2-6 |
| ITF Korea F3 | 2017/06/15 01:00 | Lee, Dae-Hee v Hong Chung | 1-6,0-6 |
| ITF Korea F3 | 2017/06/14 03:05 | Jeamoon Lee v Hong Chung | 4-6,6-3,5-7 |
| ITF Korea F2 | 2017/06/08 02:40 | Chan-Yeong Oh v Hong Chung | 7-6,3-6,6-3 |
| ITF Korea F2 | 2017/06/08 02:30 | Chan-Yeong Oh v Hong Chung | 7-6,3-6,5-3 |
| ITF Korea F2 | 2017/06/06 01:00 | Choi, Jae-Won v Hong Chung | 2-6,0-6 |
| ITF Korea F1 | 2017/06/02 01:00 | Kim, Cheong-Eui v Hong Chung | 6-3,6-7,6-2 |
| ITF Korea F1 | 2017/06/01 02:40 | Lee, Dae-Hee v Hong Chung | 1-6,0-6 |
| ITF Korea F1 | 2017/05/31 01:00 | Kim, Young Seok v Hong Chung | 1-6,4-6 |