| ITF Thailand F11 | 2017/12/05 05:05 | Alexey Vatutin v Young Seok Kim | 6-1,3-6,7-6 |
| ITF Thailand F11 Qual | 2017/12/04 03:00 | Young Seok Kim v Dusty H. Boyer | 6-3,6-4 |
| ITF Thailand F11 Qual | 2017/12/03 03:00 | Young Seok Kim v Congsup Congcar | 3-6,6-1,6-3 |
| ITF Thailand F10 | 2017/11/28 04:30 | Young Seok Kim v Yan Bai | 3-6,7-6,3-6 |
| Challenger Gwangju Qual | 2017/09/16 03:20 | Young Seok Kim v Marinko Matosevic | 5-7,1-6 |
| ITF Korea F5 | 2017/07/02 04:00 | Young Seok Kim v Tae-Woo Lee | 5-7,6-4,6-1 |
| ITF Korea F5 | 2017/06/30 02:00 | Seong Chan Hong v Young Seok Kim | 6-7,4-6 |
| ITF Korea F5 | 2017/06/29 03:30 | Young Seok Kim v Min-Kyu Song | 6-3,6-2 |
| ITF Thailand F12 Qual | 2017/12/09 03:00 | Saranpong Borisutpong v Young-Hoon Jeong | 1-6,5-7 |
| ITF Thailand F11 Qual | 2017/12/02 06:00 | Edward Bourchier v Young-Hoon Jeong | 6-4,3-6,6-4 |
| ITF Korea F5 | 2017/06/28 03:10 | Makoto Ochi v Young-Hoon Jeong | 6-3,6-2 |
| ITF Korea F3 | 2017/06/16 02:00 | Cheong-Eui Kim v Young-Hoon Jeong | 6-3,6-0 |
| ITF Korea F3 | 2017/06/14 01:00 | Seungri Choi v Young-Hoon Jeong | 3-6,0-6 |
| ITF Korea F3 Qual | 2017/06/12 03:00 | Young-Hoon Jeong v Geon Ju Shin | 6-0,6-0 |
| ITF Korea F3 Qual | 2017/06/10 05:00 | Young-Hoon Jeong v Dong-Hak Sin | 6-2,6-1 |
| ITF Korea F1 | 2017/05/31 04:15 | Young-Hoon Jeong v Jae Hwan Kim | 1-6,6-7 |