Stadium: Court 1 Oberhaching Round: 27 Ground: Carpet indoor
| ITF Germany F14 | 2018/10/04 12:40 | Petr Nouza v Semjan, Marek | 6-7,6-0,4-6 |
| ITF Germany F14 | 2018/10/02 11:05 | Semjan, Marek v Laurin Aerne | 6-3,6-3 |
| Hungary F6, Singles | 2018/08/23 14:00 | Semjan, Marek v Rodriguez, Cristian | 7-6,2-6,3-6 |
| Hungary F6, Singles | 2018/08/22 12:10 | Semjan, Marek v Glvac, Andrej | 6-2,6-1 |
| Hungary F6, Singles | 2018/08/20 09:00 | Semjan, Marek v Samuel Puskar | 6-3,6-1 |
| Hungary F6, Singles | 2018/08/19 08:00 | Semjan, Marek v Toth, Gabor-Janos | 6-1,4-6,6-4 |
| ITF Serbia F2 | 2018/08/16 08:00 | Semjan, Marek v Tikhomirov, Maksim | 1-6,6-1,1-6 |
| ITF Serbia F2 | 2018/08/14 08:00 | Gatev, Maximilian v Semjan, Marek | 7-5,4-6,2-6 |
| ITF Germany F14 | 2018/10/04 15:05 | Francesco Ferrari v Sieber, Marc | 2-6,6-4,6-3 |
| ITF Germany F14 | 2018/10/02 12:40 | Francesco Ferrari v Patric Prinoth | 7-6,6-0 |
| ITF Sweden F4 | 2018/09/24 14:05 | Francesco Ferrari v Eriksson, Markus | 3-6,6-0,4-6 |
| Canada F7, Singles | 2018/09/11 18:35 | Francesco Ferrari v Harrison Adams | 6-2,2-6,4-6 |
| ITF Canada F6 | 2018/09/06 16:35 | Francesco Ferrari v Felix Corwin | 2-6,6-2,6-7 |
| ITF Canada F6 | 2018/09/05 14:00 | Niki, Takuto v Francesco Ferrari | 1-6,7-6,3-6 |
| ITF Canada F6 | 2018/09/03 15:20 | Francesco Ferrari v Tiraspolsky, Ilya | 1-6,6-2,6-3 |
| ITF Canada F6 | 2018/09/02 15:00 | Francesco Ferrari v Turnquest, Jody | 6-0,6-1 |