Stadium: Center Court Round: 54 Ground: Hardcourt outdoor
| ITF Thailand F5 | 2016/12/17 07:30 | Jirat Navasirisomboon v Young-Hoon Jeong | 3-6,0-6 |
| 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 Anseong | 2019/06/25 01:00 | Young Seok Kim v Young-Hoon Jeong | 6-7,2-6 |
| ITF M15 Anseong | 2019/06/24 01:00 | Seoung Hun Lee v Young-Hoon Jeong | 1-6,0-6 |
| ITF M15 Gimcheon | 2019/06/17 01:00 | Seong Taek Im v Young-Hoon Jeong | 5-7,6-3,10-6 |
| ITF M15 Gimcheon | 2019/06/13 05:00 | Young-Hoon Jeong v Seon Yong Han | 6-3,3-6,5-7 |
| ITF M15 Gimcheon | 2019/06/12 01:00 | Takuto Niki v Young-Hoon Jeong | 4-6,6-7 |
| ITF M15 Hua Hin | 2019/08/19 07:50 | Michael Mathayomchand v Jirat Navasirisomboon | 6-2,1-6,4-10 |
| ITF M15 Anseong | 2019/06/26 01:00 | Jirat Navasirisomboon v Cheong-Eui Kim | 1-6,0-6 |
| ITF M15 Gimcheon | 2019/06/19 03:10 | Yuta Shimizu v Jirat Navasirisomboon | 6-0,6-4 |
| ITF M25 Nonthaburi | 2019/05/28 08:45 | Sidharth Rawat v Jirat Navasirisomboon | 6-2,7-5 |
| ITF M25 Nonthaburi | 2019/05/21 05:15 | Jirat Navasirisomboon v Thanapet Chanta | 7-5,6-7,4-10 |
| ITF M25 Nonthaburi | 2019/05/20 06:20 | Jirat Navasirisomboon v Noppadol Noikor | 7-6,7-5 |
| ITF Thailand F9 | 2018/11/11 07:30 | Jirat Navasirisomboon v Pol Wattanakul | 2-6,4-6 |
| ITF Thailand F8 | 2018/11/07 02:00 | Jirat Navasirisomboon v Takashi Saito | 0-6,0-6 |