Round: 27 Ground: Hardcourt outdoor
| ITF Turkey F49 | 2016/12/09 08:25 | Lazov, Alexander v Sieber, Marc | 6-2,5-7,6-3 |
| ITF Turkey F7 | 2016/02/16 08:00 | Sieber, Marc v Lazov, Alexander | 6-4,3-6,1-6 |
| ITF Turkey F1 | 2017/01/13 07:00 | Sieber, Marc v Delic, Mate | 1-6,6-4,6-0 |
| ITF Turkey F1 | 2017/01/11 11:05 | Sieber, Marc v Viktor Durasovic | 6-0,6-0 |
| ITF Turkey F49 | 2016/12/09 08:25 | Lazov, Alexander v Sieber, Marc | 6-2,5-7,6-3 |
| ITF Turkey F49 | 2016/12/08 07:00 | Erler, Alexander v Sieber, Marc | 1-6,6-1,1-6 |
| ITF Turkey F49 | 2016/12/07 08:20 | Merckx, Jonas v Sieber, Marc | 1-6,1-6 |
| Turquie F48, Simples | 2016/12/03 09:00 | Frederico Ferreira Silva v Sieber, Marc | 6-2,6-3 |
| Turquie F48, Simples | 2016/12/02 10:15 | Vilardo, Francesco v Sieber, Marc | 1-6,4-6 |
| Turquie F48, Simples | 2016/12/02 07:00 | Gorazd Srbljak v Sieber, Marc | 3-6,0-6 |
| ITF Turkey F1 | 2017/01/13 08:30 | Luc Fomba v Lazov, Alexander | 5-7,5-7 |
| ITF Turkey F1 | 2017/01/09 07:00 | Luria, Emmanuel v Lazov, Alexander | 2-6,1-6 |
| ITF Turkey F49 | 2016/12/11 08:00 | Gojo, Borna v Lazov, Alexander | 6-7,5-7 |
| ITF Turkey F49 | 2016/12/09 08:25 | Lazov, Alexander v Sieber, Marc | 6-2,5-7,6-3 |
| ITF Turkey F49 | 2016/12/08 08:40 | Lazov, Alexander v Gore, Kaya | 6-2,6-0 |
| Qatar F5, Simples | 2016/12/06 07:00 | Lazov, Alexander v Joncour, Ronan | 6-0,6-1 |
| Turquie F48, Simples | 2016/12/02 08:45 | Lazov, Alexander v Frederico Ferreira Silva | 2-6,5-7 |
| Turquie F48, Simples | 2016/12/01 09:40 | Lazov, Alexander v Hajek, Petr | 6-4,6-3 |