Stadium: Court 5 Hard Round: 44 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2019/11/10 07:30 | Lodewijk Weststrate v Yeongseok Jeong | 6-2,3-6,10-8 |
| ITF M15 Nanchang | 2019/09/25 02:00 | Dusty H. Boyer v Yeongseok Jeong | 6-1,6-2 |
| ITF M15 Nanchang | 2019/09/17 03:45 | Yeongseok Jeong v Dusty H. Boyer | 6-7,0-6 |
| ITF M15 Hua Hin | 2019/08/27 07:35 | Young-Hoon Jeong v Yeongseok Jeong | 6-4,6-2 |
| 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 Liberec | 2019/10/22 11:05 | Nikolay Vylegzhanin v Dominik Recek | 6-4,2-6,8-10 |
| ITF M25 Rodez | 2019/10/15 11:20 | Nikolay Vylegzhanin v Alexis Gautier | 6-3,3-6,4-6 |
| ITF M25 Rodez | 2019/10/14 09:25 | Alafia Ayeni v Nikolay Vylegzhanin | 4-6,1-6 |
| ITF M25 Rodez | 2019/10/13 08:00 | Arthur Hugounenq v Nikolay Vylegzhanin | 2-6,2-6 |
| ITF M15 Forbach | 2019/09/25 10:10 | Patrik Hartmeier v Nikolay Vylegzhanin | 6-2,6-3 |
| ITF M15 Forbach | 2019/09/23 12:00 | Alexandre Aubriot v Nikolay Vylegzhanin | 4-6,0-6 |
| ITF M25 Plaisir | 2019/09/16 09:10 | Boris Fassbender v Nikolay Vylegzhanin | 7-6,6-1 |
| ITF M25 Plaisir | 2019/09/15 12:05 | Nikolay Vylegzhanin v Imrane Bentekhici | 7-5,7-5 |