| ITF Korea F3 | 2017/06/14 01:00 | Yunseong Chung v Ji Hoon Son | 7-6,6-4 |
| ITF Korea F2 | 2017/06/08 01:00 | Yunseong Chung v Ji Hoon Son | 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 |
| Challenger Seoul | 2017/05/10 03:30 | Yunseong Chung v Hiroki Moriya | 6-4,6-7,3-6 |
| Challenger Seoul | 2017/05/08 05:30 | Lu, Yen-Hsun v Yunseong Chung | 3-6,4-6 |
| Challenger Gimcheon | 2017/05/01 04:25 | Klein, Brydan v Yunseong Chung | 6-3,6-4 |
| 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 USA F3 | 2017/01/07 17:30 | Yoo, Daniel v Gabriel Decamps | 6-3,3-6,3-6 |