Stadium: Court 2 Round: 25 Ground: Clay
| Challenger Sopot Qual | 2018/07/30 09:40 | Roberto Marcora v Artem Smirnov | 6-3,6-4 |
| Challenger Sopot Qual | 2018/07/29 09:00 | Roberto Marcora v Johannes Haerteis | 6-4,7-5 |
| Challenger Tampere | 2018/07/26 09:30 | Juan Ignacio Londero v Roberto Marcora | 3-6,6-4,6-2 |
| Challenger Tampere | 2018/07/24 12:00 | Roberto Marcora v Emil Ruusuvuori | 6-3,6-4 |
| Challenger Tampere Qual | 2018/07/23 08:00 | Roberto Marcora v Alejandro Davidovich Fokina | 7-6,6-0 |
| Challenger Tampere Qual | 2018/07/22 08:55 | Roberto Marcora v Fabrizio Ornago | 6-3,6-0 |
| Challenger Tampere | 2018/07/21 07:00 | Roberto Marcora v Christopher O'Connell | 6-1,7-6 |
| Challenger Perugia Qual | 2018/07/09 10:55 | Cristian Rodriguez v Roberto Marcora | 6-4,6-4 |
| Challenger Sopot Qual | 2018/07/30 15:15 | Dimitar Kuzmanov v Jan Zielinski | 6-0,6-1 |
| Challenger Sopot Qual | 2018/07/30 09:55 | Dimitar Kuzmanov v Grzegorz Panfil | 5-7,6-3,7-6 |
| Challenger Tampere Qual | 2018/07/23 08:00 | Dimitar Kuzmanov v Tristan Lamasine | 6-7,6-3,4-6 |
| Challenger Tampere Qual | 2018/07/22 08:50 | Dimitar Kuzmanov v Tom Kocevar-Desman | 6-4,2-6,6-3 |
| Challenger Tampere | 2018/07/21 09:45 | Dimitar Kuzmanov v Panu Virtanen | 6-2,6-0 |
| Challenger San Benedetto Qual | 2018/07/14 13:20 | Dimitar Kuzmanov v Antonio Massara | 5-7,4-6 |
| ITF Germany F5 | 2018/07/01 10:00 | Sekou Bangoura v Dimitar Kuzmanov | 1-6,5-7 |
| ITF Germany F5 | 2018/06/30 11:00 | Fabian Marozsan v Dimitar Kuzmanov | 2-6,3-6 |