Stadium: Court 2 Round: 25 Ground: Clay
| Piestany, Singles M-ITF-SVK-02A | 2019/07/18 08:00 | Semjan, Marek v Petr Nouza | 4-6,6-7 |
| Piestany, Singles M-ITF-SVK-02A | 2019/07/17 10:30 | Semjan, Marek v Zdenek Derkas | 6-3,7-6 |
| ITF M15 Telfs | 2019/07/10 08:00 | Semjan, Marek v Hampel, Lenny | 1-6,3-6 |
| Balatonalmadi, Singles Qualifying M-ITF-HUN-02A | 2019/06/19 09:50 | Borsos, Gabor v Semjan, Marek | 6-3,6-3 |
| Balatonalmadi, Singles Qualifying M-ITF-HUN-02A | 2019/06/18 08:00 | Joao Lucas Reis da Silva v Semjan, Marek | 3-6,4-6 |
| Balatonalmadi, Singles Qualifying M-ITF-HUN-02A | 2019/06/17 09:00 | Matthew Dellavedova v Semjan, Marek | 5-7,1-6 |
| Gyula, Singles M-ITF-HUN-01A | 2019/05/30 08:00 | Semjan, Marek v Ornago, Fabrizio | 2-6,3-6 |
| Gyula, Singles M-ITF-HUN-01A | 2019/05/29 09:00 | Martins Rocens v Semjan, Marek | 6-7,1-6 |
| ITF M15 Bratislava | 2019/08/27 08:00 | Selecky, Michal v Spasibo, Danil | 2-6,5-7 |
| ITF M15 Bratislava | 2019/08/26 08:00 | Selecky, Michal v Vrba, Daniel | 7-5,6-1 |
| ITF - M15 Antalya | 2019/03/27 08:55 | Selecky, Michal v Koray Kirci | 2-6,6-7 |
| ITF - M15 Antalya | 2019/03/26 07:00 | Micov, Stefan v Selecky, Michal | 2-6,5-7 |
| ITF - M15 Antalya | 2019/03/25 07:00 | Suntic, Sabit v Selecky, Michal | 6-3,2-6,2-10 |
| ITF - M15 Antalya | 2019/03/18 07:15 | Takeru Yuzuki v Selecky, Michal | 2-6,7-6,10-8 |
| Czech Republic F11, Singles Qualifying | 2018/11/19 11:00 | Jiri Barnat v Selecky, Michal | 6-1,6-4 |
| ITF Czech Republic F9 | 2018/11/07 12:25 | Drzewiecki, Karol v Selecky, Michal | 6-4,6-3 |