Stadium: Court 13 Round: 25 Ground: Clay
| ITF Austria F3 | 2018/07/16 12:00 | Marek Semjan v Michael Vrbensky | 6-3,3-6,4-6 |
| ITF Austria F3 | 2018/07/15 09:30 | Marek Semjan v Thibault Cancel | 2-6,7-5,6-3 |
| ITF Czech Republic F6 | 2018/07/11 12:00 | Marek Semjan v Jan Mertl | 6-3,5-7,4-6 |
| ITF Czech Republic F6 | 2018/07/09 09:05 | Guido Ivan Justo v Marek Semjan | 5-7,6-2,4-6 |
| ITF Czech Republic F6 Qual | 2018/07/08 08:00 | Marek Semjan v Remy Bertola | 7-5,6-4 |
| ITF Czech Republic F6 Qual | 2018/07/07 07:30 | Marek Semjan v Stepan Holis | 6-1,6-0 |
| ITF Bosnia and Herzegovina F3 | 2018/05/31 15:00 | Marek Semjan v Gustav Hansson | 4-6,1-6 |
| ITF Bosnia and Herzegovina F3 | 2018/05/30 09:00 | Marek Semjan v Milos Nikolic | 6-3,6-1 |
| ITF Italy F19 | 2018/07/14 08:30 | Andrea Borroni v Gianmarco Ferrari | 1-6,3-6 |
| ITF Italy F18 Qual | 2018/07/07 08:00 | Bastian Malla v Andrea Borroni | 6-4,6-1 |
| ITF Italy F17 | 2018/07/01 09:00 | Andrea Borroni v Luca Tomasetto | 3-6,4-6 |
| ITF Italy F16 | 2018/06/25 15:25 | Mirko Cutuli v Andrea Borroni | 6-1,6-1 |
| ITF Italy F16 | 2018/06/24 09:30 | Andrea Borroni v Luca Narcisi | 2-6,6-7 |
| ITF Italy F15 | 2018/06/17 12:10 | Andrea Borroni v Gregorio Lulli | 1-6,2-6 |
| ITF Italy F9 | 2018/04/22 08:00 | Tomas Liska v Andrea Borroni | 6-4,6-2 |
| ITF Italy F8 Qual | 2018/04/15 08:00 | Maciej Smola v Andrea Borroni | 7-6,6-1 |