Stadium: Court 4 Round: 62 Ground: Clay
| ITF Czech Republic F6 | 2018/07/11 12:00 | Semjan, Marek v Mertl, Jan | 6-3,5-7,4-6 |
| ITF Czech Republic F6 | 2018/07/09 09:05 | Guido Ivan Justo v Semjan, Marek | 5-7,6-2,4-6 |
| Czech Republic F6, Singles Qualifying | 2018/07/08 08:00 | Semjan, Marek v Remy Bertola | 7-5,6-4 |
| Czech Republic F6, Singles Qualifying | 2018/07/07 07:30 | Semjan, Marek v Holis, Stepan | 6-1,6-0 |
| ITF Bosnia and Herzegovina F3 | 2018/05/31 15:00 | Semjan, Marek v Hansson, Gustav | 4-6,1-6 |
| ITF Bosnia and Herzegovina F3 | 2018/05/30 09:00 | Semjan, Marek v Nikolic, Milos | 6-3,6-1 |
| ITF Poland F4 | 2018/05/24 08:00 | Pawel Juszczak v Semjan, Marek | 3-6,6-3,6-1 |
| ITF Poland F4 | 2018/05/21 09:00 | Semjan, Marek v Mikula, Michal | 7-5,6-3 |
| ITF Austria F3 | 2018/07/14 07:15 | Hubner, Edward v Seraphim, Christian | 6-2,5-7,7-5 |
| ITF Austria F2 | 2018/07/11 12:25 | Hubner, Edward v Dischinger, Eduardo | 4-6,2-6 |
| ITF Austria F2 | 2018/07/10 12:35 | Press, Frederik v Hubner, Edward | 6-1,3-6,2-6 |
| ITF Austria F2 | 2018/07/08 10:15 | Carlos Kelaidis v Hubner, Edward | 3-6,0-6 |
| ITF Austria F2 | 2018/07/07 16:00 | Nicolas Parizzia v Hubner, Edward | 2-6,2-6 |
| ITF Austria F2 | 2018/07/07 07:15 | Hubner, Edward v Ragazzi, Alessandro | 7-6,6-0 |
| ITF Austria F1 | 2018/06/30 07:00 | Staeheli, Luca v Hubner, Edward | 6-0,6-4 |
| ITF Turkey F21 Qual | 2018/05/27 07:30 | Hubner, Edward v Aleksandre Metreveli | 5-7,2-6 |