| ITF Korea F5 | 2017/06/28 04:55 | Yoo, Daniel v Jung, Ki-Su | 6-0,6-1 |
| ITF Korea F4 | 2017/06/20 01:00 | Yoo, Daniel v 임, 형찬 | 6-2,6-2 |
| ITF Korea F3 | 2017/06/16 02:00 | Yoo, Daniel v 충, 훙 | 3-6,0-6 |
| ITF Korea F3 | 2017/06/15 01:00 | 충, 윤성 v Yoo, Daniel | 5-7,4-6 |
| ITF Korea F3 | 2017/06/14 01:00 | Kim, Jae Hwan v Yoo, Daniel | 5-7,5-7 |
| ITF Korea F2 | 2017/06/07 03:50 | 송, 민규 v Yoo, Daniel | 3-6,7-6,6-4 |
| ITF Korea F1 | 2017/05/31 01:00 | Yoo, Daniel v 나, 정웅 | 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 Korea F3 | 2017/06/15 03:00 | 김, 정의 v Kang, Ku Keon | 6-3,6-1 |
| ITF Korea F3 | 2017/06/14 05:25 | Kim, Hyun-Joon v Kang, Ku Keon | 6-3,3-6,5-7 |
| Korea F3, Singles Qualifying | 2017/06/12 03:00 | Kang, Ku Keon v Kim, Min Gyeom | 6-0,6-0 |
| Korea F3, Singles Qualifying | 2017/06/11 04:30 | Kang, Ku Keon v 김, 근준 | 6-2,6-2 |
| ITF Korea F2 | 2017/06/07 03:35 | Kang, Ku Keon v 이, 대희 | 3-6,6-1,3-6 |
| ITF Korea F2 Qual | 2017/06/05 03:00 | Kang, Ku Keon v 이, 성훈 | 5-7,6-2,6-4 |
| ITF Korea F2 Qual | 2017/06/03 01:00 | Kang, Ku Keon v 조, 광현 | 6-0,6-1 |
| ITF Korea F1 | 2017/06/01 01:00 | Noh, Sang-Woo v Kang, Ku Keon | 7-5,7-6 |