| Turkey F14, Singles Qualifying | 2017/04/11 07:30 | Statzberger, Thomas v Ladik, Oleg | 6-2,6-0 |
| ITF Turkey F5 | 2017/02/07 13:45 | Ladik, Oleg v Mantilla, Felipe | 0-6,2-6 |
| ITF Turkey F4 | 2017/01/28 07:00 | Ren Nakamura v Ladik, Oleg | 6-0,6-2 |
| ITF Turkey F3 | 2017/01/21 07:00 | Ladik, Oleg v Djurdjevic, Bogdan | 3-6,7-5,5-7 |
| ITF Kazakhstan F6 Qual | 2016/09/24 09:30 | Yamada, Kento v Ladik, Oleg | 6-4,6-1 |
| ITF Kazakhstan F6 Qual | 2016/09/24 04:00 | Nauruzov, Temirlan v Ladik, Oleg | 3-6,0-6 |
| ITF Kazakhstan F5 | 2016/09/20 06:50 | Ladik, Oleg v Vasilyev, Ilya | 0-6,4-6 |
| ITF Kazakhstan F5 Qual | 2016/09/17 09:35 | Ladik, Oleg v Murat, Yerassyl | 6-2,6-0 |
| Turkey F14, Singles Qualifying | 2017/04/12 07:30 | Juan Pablo Varillas v Sieber, Marc | 2-6,7-5,6-3 |
| Challenger St Brieuc | 2017/03/28 08:30 | Sieber, Marc v Gleb Sakharov | 2-6,3-6 |
| ITF Egypt F9 | 2017/03/15 08:00 | Sieber, Marc v Smirnov, Artem | 3-6,3-6 |
| ITF Egypt F8 | 2017/03/08 08:00 | Sieber, Marc v Rudolf Molleker | 2-6,4-6 |
| ITF Turkey F7 | 2017/02/21 07:00 | Sieber, Marc v Cem Ilkel | 3-6,6-7 |
| Turkey F6, Singles Qualifying | 2017/02/19 08:30 | Benjamin Lock v Sieber, Marc | 3-6,6-7 |
| Turkey F6, Singles Qualifying | 2017/02/18 08:00 | Heyman, Christopher v Sieber, Marc | 3-6,1-6 |
| Turkey F6, Singles Qualifying | 2017/02/17 07:30 | Mantilla, Felipe v Sieber, Marc | 1-6,6-7 |