Stadium: Court 2 Round: 54 Ground: Hardcourt outdoor
| ITF Korea F6 | 2018/08/28 02:00 | Yeongseok Jeong v Young-Hoon Jeong | 7-5,7-6 |
| ITF M15 Hua Hin | 2019/08/27 04:00 | Ko Suzuki v Young-Hoon Jeong | 4-6,6-2,3-10 |
| ITF M15 Hua Hin | 2019/08/23 06:20 | Ryan Peniston v Young-Hoon Jeong | 6-4,7-5 |
| ITF M15 Hua Hin | 2019/08/22 03:00 | Young-Hoon Jeong v Wishaya Trongcharoenchaikul | 7-6,6-3 |
| ITF M15 Hua Hin | 2019/08/21 04:25 | Yuttana Charoenphon v Young-Hoon Jeong | 1-6,7-6,1-6 |
| ITF M15 Hua Hin | 2019/08/20 04:50 | Young-Hoon Jeong v Jirat Navasirisomboon | 7-6,0-6,10-7 |
| ITF M15 Hua Hin | 2019/08/19 03:00 | Nitin Kumar Sinha v Young-Hoon Jeong | 2-6,4-6 |
| ITF M15 Anseong | 2019/06/27 03:20 | Jean Thirouin v Young-Hoon Jeong | 7-6,7-5 |
| ITF M15 Anseong | 2019/06/26 03:00 | Seung-Hun Shin v Young-Hoon Jeong | 2-6,1-6 |
| ITF M15 Hua Hin | 2019/08/27 04:00 | Tonkla Mulada v Yeongseok Jeong | 0-6,5-7 |
| ITF M15 Hua Hin | 2019/08/20 03:00 | Yeongseok Jeong v Chanchai Sookton-Eng | 4-6,6-7 |
| ITF M15 Hua Hin | 2019/08/19 04:05 | Yeongseok Jeong v Saranpong Borisutpong | 6-1,7-6 |
| ITF M15 Jakarta | 2019/08/12 04:25 | Yeongseok Jeong v Uisung Park | 6-4,4-6,9-11 |
| ITF M15 Jakarta | 2019/08/06 03:55 | Aaron Schmid v Yeongseok Jeong | 6-4,6-0 |
| ITF M15 Jakarta | 2019/08/05 07:20 | Jeremy Nahor v Yeongseok Jeong | 1-6,3-6 |
| ITF M15 Anseong | 2019/06/27 01:00 | Kelsey Stevenson v Yeongseok Jeong | 6-2,6-3 |
| ITF M15 Anseong | 2019/06/26 01:00 | Yeongseok Jeong v Geun Jun Kim | 6-3,6-1 |