| ITF Korea F4 | 2017/06/20 01:00 | Daniel Yoo v Hyung-Chan Lim | 6-2,6-2 |
| ITF Korea F3 | 2017/06/16 02:00 | Daniel Yoo v Hong Chung | 3-6,0-6 |
| ITF Korea F3 | 2017/06/15 01:00 | Yunseong Chung v Daniel Yoo | 5-7,4-6 |
| ITF Korea F3 | 2017/06/14 01:00 | Jae Hwan Kim v Daniel Yoo | 5-7,5-7 |
| ITF Korea F2 | 2017/06/07 03:50 | Min-Kyu Song v Daniel Yoo | 3-6,7-6,6-4 |
| ITF Korea F1 | 2017/05/31 01:00 | Daniel Yoo v Jung-Woong Na | 3-6,3-6 |
| ITF USA F5 | 2017/01/21 19:00 | Daniel Yoo v Fabiano De Paula | 6-1,3-6,6-7 |
| ITF USA F5 | 2017/01/20 21:00 | Dustin Goldenberg v Daniel Yoo | 0-6,1-6 |
| ITF Korea F4 | 2017/06/20 02:30 | Ki Su Jung v Min-Kyu Song | 3-6,0-6 |
| ITF Korea F3 | 2017/06/13 04:40 | Jung-Woong Na v Ki Su Jung | 6-4,6-1 |
| ITF Korea F2 Qual | 2017/06/03 03:00 | Ki Su Jung v Ivan Kalinin | 6-7,2-6 |
| ITF Korea F1 Qual | 2017/05/27 01:00 | Jaeyoung Park v Ki Su Jung | 7-5,6-3 |
| Challenger Busan Qual | 2017/05/13 03:15 | Ki Su Jung v Joe Salisbury | 4-6,6-4,3-6 |
| Challenger Seoul Qual | 2017/05/06 02:40 | Ki Su Jung v Austin Krajicek | 1-6,2-6 |
| Challenger Gimcheon Qual | 2017/04/30 03:45 | Takuto Niki v Ki Su Jung | 6-1,6-2 |
| Challenger Gimcheon Qual | 2017/04/29 04:30 | Ki Su Jung v Min Hyun Lee | 6-4,6-3 |