Round: 26 Ground: Clay
| ITF Thailand F9 | 2015/12/02 03:00 | Bowen Ouyang v Sumit Nagal | 1-6,1-6 |
| ITF Thailand F9 | 2015/12/01 05:30 | Maksim Malyshev v Sumit Nagal | 1-6,2-6 |
| ITF Thailand F9 | 2015/11/26 03:00 | Sumit Nagal v Pol Wattanakul | 4-6,6-7 |
| ITF Thailand F9 | 2015/11/25 03:00 | Sumit Nagal v Maksim Malyshev | 6-1,6-0 |
| ITF Thailand F9 | 2015/11/24 04:15 | Sumit Nagal v Punn Bodhidatta | 6-0,6-2 |
| ITF India F4 | 2015/09/18 04:30 | N. Vijay Sundar Prashanth v Sumit Nagal | 6-3,4-6,6-2 |
| ITF India F4 | 2015/09/17 05:35 | Mukund Sasikumar v Sumit Nagal | 1-6,1-6 |
| ITF India F4 | 2015/09/16 06:15 | Manish Sureshkumar v Sumit Nagal | 0-6,3-6 |
| ITF Czech Republic F8 Qual | 2015/12/01 10:20 | Adam Majchrowicz v Marek Gengel | 5-7,6-0,7-6 |
| ITF Greece F11 | 2015/11/11 08:00 | Laurent Lokoli v Marek Gengel | 6-7,6-4,6-2 |
| ITF Greece F11 | 2015/11/09 09:50 | Marek Gengel v Tadas Tarasevicius | 7-6,6-1 |
| ITF Greece F11 | 2015/11/08 08:00 | Dmitry Resnyanskiy v Marek Gengel | 5-7,2-6 |
| ITF Greece F11 | 2015/11/07 08:00 | Anze Loviscek v Marek Gengel | 3-6,1-6 |
| ITF Greece F10 Qual | 2015/11/01 09:00 | Miljan Zekic v Marek Gengel | 6-3,6-3 |
| ITF Greece F10 Qual | 2015/10/31 07:30 | Marek Gengel v Daniel Vrba | 6-3,7-6 |
| ITF Poland F4 Qual | 2015/08/30 07:30 | Adrian Andrzejczuk v Marek Gengel | 3-6,6-2,6-0 |