| ITF M15 Changwon | 10/13 02:00 | 44 | Young-Hoon Jeong v Geun Wook Lee | Retired | |
| ITF M15 Hua Hin | 08/28 05:30 | 25 | Ryota Tanuma v Young-Hoon Jeong | 3-6,6-1,6-0 | |
| ITF M15 Hua Hin | 08/27 07:35 | 54 | Young-Hoon Jeong v Yeongseok Jeong | 6-4,6-2 | |
| ITF M15 Hua Hin | 08/27 04:00 | 54 | Ko Suzuki v Young-Hoon Jeong | 4-6,6-2,3-10 | |
| ITF M15 Hua Hin | 08/23 06:20 | 27 | Ryan Peniston v Young-Hoon Jeong | 6-4,7-5 | |
| ITF M15 Hua Hin | 08/22 03:00 | 26 | Young-Hoon Jeong v Wishaya Trongcharoenchaikul | 7-6,6-3 | |
| ITF M15 Hua Hin | 08/21 04:25 | 25 | Yuttana Charoenphon v Young-Hoon Jeong | 1-6,7-6,1-6 | |
| ITF M15 Hua Hin | 08/20 04:50 | 54 | Young-Hoon Jeong v Jirat Navasirisomboon | 7-6,0-6,10-7 | |
| ITF M15 Hua Hin | 08/19 03:00 | 54 | Nitin Kumar Sinha v Young-Hoon Jeong | 2-6,4-6 | |
| ITF M15 Anseong | 06/27 03:20 | 26 | Jean Thirouin v Young-Hoon Jeong | 7-6,7-5 | |
| ITF M15 Anseong | 06/26 03:00 | 25 | Seunghun Shin v Young-Hoon Jeong | 2-6,1-6 | |
| ITF M15 Anseong | 06/25 01:00 | 54 | Young Seok Kim v Young-Hoon Jeong | 6-7,2-6 | |
| ITF M15 Anseong | 06/24 01:00 | 54 | Seoung Hun Lee v Young-Hoon Jeong | 1-6,0-6 | |
| ITF M15 Gimcheon | 06/17 01:00 | 54 | Seong Taek Im v Young-Hoon Jeong | 5-7,6-3,10-6 | |
| ITF M15 Gimcheon | 06/13 05:00 | 26 | Young-Hoon Jeong v Seon Yong Han | 6-3,3-6,5-7 | |
| ITF M15 Gimcheon | 06/12 01:00 | 25 | Takuto Niki v Young-Hoon Jeong | 4-6,6-7 | |
| ITF M15 Daegu | 06/03 01:00 | 54 | Young-Hoon Jeong v Hyung-Chan Lim | Retired | |
| ITF Korea F6 | 08/28 02:00 | 25 | Yeongseok Jeong v Young-Hoon Jeong | 7-5,7-6 | |
| Challenger Gwangju Qual | 08/11 04:45 | 45 | Vasko Mladenov v Young-Hoon Jeong | 6-0,6-2 | |
| ITF China F10 Qual | 07/09 04:05 | 62 | Young-Hoon Jeong v Hao Wu | 3-6,1-6 | |
| ITF China F10 Qual | 07/08 02:00 | 62 | Young-Hoon Jeong v David Barclay | 6-1,6-3 | |
| ITF China F9 | 07/05 03:00 | 26 | Hao Wu v Young-Hoon Jeong | 6-7,6-0,6-2 | |
| ITF China F9 | 07/03 09:45 | 25 | Bang Shuo Yin v Young-Hoon Jeong | 0-6,2-6 | |
| ITF Korea F3 Qual | 06/18 01:00 | 62 | Young-Hoon Jeong v Geun Jun Kim | 4-6,4-6 | |
| ITF Korea F3 Qual | 06/17 03:00 | 62 | Young-Hoon Jeong v Jae Won Yun | 6-2,6-2 | |
| ITF Korea F3 Qual | 06/16 02:00 | 62 | Young-Hoon Jeong v Sung Jun Park | 6-3,6-3 | |
| ITF Korea F2 | 06/10 05:00 | 44 | Yu-Seob Kim v Young-Hoon Jeong | Walkover | |
| ITF Korea F1 | 06/08 02:00 | 27 | Jea Moon Lee v Young-Hoon Jeong | 6-1,6-4 | |
| ITF Korea F1 | 06/07 04:00 | 26 | Hyeong Jin Cho v Young-Hoon Jeong | 0-6,1-6 | |
| ITF Korea F1 | 06/06 01:00 | 25 | Young-Hoon Jeong v Seong Chan Hong | 1-6,6-3,6-2 |