Stadium: Court 2 Round: 54 Ground: Hardcourt outdoor
| ITF Thailand F9 | 2018/11/10 02:00 | Chanchai Sookton-Eng v Yeongseok Jeong | 3-6,0-6 |
| 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 |
| ITF M15 Gimcheon | 2019/06/21 01:00 | Yeongseok Jeong v Sanhui Shin | 2-6,6-1,2-6 |
| ITF M15 Gimcheon | 2019/06/20 03:50 | Andrej Glvac v Yeongseok Jeong | 6-7,2-6 |
| ITF M25 Nonthaburi | 2019/07/30 07:50 | Rhett Purcell v Chanchai Sookton-Eng | 6-3,6-1 |
| ITF M25 Nonthaburi | 2019/07/23 02:30 | Kelsey Stevenson v Chanchai Sookton-Eng | 6-1,6-4 |
| ITF M25 Nonthaburi | 2019/07/22 02:30 | Chanchai Sookton-Eng v Cameron Green | 4-6,6-2,10-6 |
| ITF M15 Anseong | 2019/06/25 01:00 | Chanchai Sookton-Eng v Young Seok Lee | 3-6,6-1,9-11 |
| ITF M15 Anseong | 2019/06/24 01:00 | Chanchai Sookton-Eng v Jungwon Park | 6-3,6-4 |
| ITF M15 Gimcheon | 2019/06/19 02:05 | Ju-Hae Moon v Chanchai Sookton-Eng | 7-6,6-1 |
| ITF M15 Gimcheon | 2019/06/18 02:25 | Chanchai Sookton-Eng v Matthew Mendez | 6-3,6-3 |
| ITF M15 Gimcheon | 2019/06/17 04:10 | Chanchai Sookton-Eng v Sungbeen Sim | 7-6,2-6,10-5 |