Stadium: Court 3 Round: 27 Ground: Clay
| ITF Egypt F9 | 2017/03/15 08:00 | Marc Sieber v Artem Smirnov | 3-6,3-6 |
| ITF Turkey F16 | 2018/04/26 07:30 | Artem Smirnov v Vitaliy Sachko | 6-4,6-3 |
| ITF Turkey F16 | 2018/04/25 07:30 | Artem Smirnov v Alberto Cammarata | 6-3,6-4 |
| Davis Cup | 2018/02/03 15:55 | Artem Smirnov v Mikael Ymer | 4-6,2-6 |
| Davis Cup | 2018/02/02 17:10 | Artem Smirnov v Elias Ymer | 2-6,3-6 |
| ITF Egypt F2 | 2018/01/28 08:00 | Aslan Karatsev v Artem Smirnov | 6-3,6-2 |
| ITF Egypt F2 | 2018/01/27 09:55 | Artem Smirnov v Enzo Couacaud | 7-6,6-7,7-6 |
| ITF Egypt F2 | 2018/01/26 08:00 | Roberto Marcora v Artem Smirnov | 7-5,2-6,5-7 |
| ITF Egypt F2 | 2018/01/25 08:00 | Leny Mitjana v Artem Smirnov | 3-6,3-6 |
| ITF Turkey F16 | 2018/04/26 07:30 | Timur Kiyamov v Marc Sieber | 4-6,6-7 |
| ITF Turkey F16 | 2018/04/24 09:00 | Alexander Boborykin v Marc Sieber | 4-6,1-6 |
| ITF Turkey F15 | 2018/04/17 08:00 | Paul Woerner v Marc Sieber | 6-2,6-3 |
| ITF Turkey F14 | 2018/04/13 07:30 | Jaroslav Pospisil v Marc Sieber | 6-2,6-4 |
| ITF Turkey F14 | 2018/04/12 09:35 | Jordan Correia v Marc Sieber | 4-6,6-4,1-6 |
| ITF Portugal F5 | 2018/03/21 17:15 | Joao Monteiro v Marc Sieber | 5-7,6-3,6-2 |
| ITF Portugal F4 | 2018/03/14 11:40 | Marc Sieber v Alejandro Davidovich Fokina | 3-6,3-6 |
| ITF Portugal F4 | 2018/03/13 12:25 | Marc Sieber v Yann Marti | 6-2,0-6,6-1 |