Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF - Sharm El Sheikh M15 | 2019/11/15 08:00 | Vladyslav Manafov v Marek Gengel | 6-4,6-0 |
| ITF - Sharm El Sheikh M15 | 2019/11/14 08:00 | Zachary Eisinga v Marek Gengel | 4-6,4-6 |
| ITF - Sharm El Sheikh M15 | 2019/11/13 09:50 | Max Houkes v Marek Gengel | 6-3,2-6,6-7 |
| ITF M15 Prague | 2019/11/09 09:30 | Marek Gengel v Michael Vrbensky | 3-6,3-6 |
| ITF M15 Prague | 2019/11/08 11:40 | Emiliano Maggioli v Marek Gengel | 6-3,2-6,2-6 |
| ITF M15 Prague | 2019/11/07 15:55 | Aldin Setkic v Marek Gengel | 4-6,6-3,3-6 |
| ITF M15 Prague | 2019/11/06 16:50 | Marek Gengel v Vit Kopriva | 6-3,6-4 |
| ITF M15 Prague | 2019/11/05 10:10 | Marek Gengel v Jakob Aichhorn | 7-5,5-7,10-8 |
| ITF - Sharm El Sheikh M15 | 2019/11/13 08:00 | Karim-Mohamed Maamoun v Seong-Gook Oh | 6-2,6-2 |
| ITF - Changwon M15 | 2019/10/17 01:00 | Shintaro Mochizuki v Seong-Gook Oh | 6-2,6-3 |
| ITF - Jakarta M15 | 2019/08/15 02:30 | Seong-Gook Oh v Sho Shimabukuro | 6-4,2-6,4-6 |
| ITF - Nonthaburi M25 | 2019/07/30 05:20 | Shintaro Imai v Seong-Gook Oh | 6-2,6-2 |
| ITF - Nonthaburi M25 | 2019/07/23 05:25 | Seong-Gook Oh v Vladyslav Orlov | 6-7,3-6 |
| ITF - Anseong M15 | 2019/06/28 02:45 | Thomas Fancutt v Seong-Gook Oh | 7-6,7-6 |
| ITF - Anseong M15 | 2019/06/27 01:00 | Oh-Hee Kwon v Seong-Gook Oh | 2-6,2-6 |
| ITF - Anseong M15 | 2019/06/25 05:05 | Hyeon il Jung v Seong-Gook Oh | 1-6,0-6 |