Estadio: Court 1 Round: 46 Ground: Carpet indoor
| ITF Israel F3 | 2018/03/24 07:00 | Roberto Marcora v David Poljak | 7-5,6-2 |
| Challenger de Eckental | 2018/10/27 07:30 | Roberto Marcora v Bastien Presuhn | 6-1,6-4 |
| Challenger de Barcelona | 2018/10/10 13:00 | Roberto Carballes Baena v Roberto Marcora | 6-2,6-1 |
| Challenger de Barcelona | 2018/10/08 12:30 | Roberto Marcora v Viktor Durasovic | 7-6,6-3 |
| Challenger de Barcelona | 2018/10/07 16:05 | Roberto Marcora v Alejandro Moro Canas | 6-3,6-2 |
| Challenger de Barcelona | 2018/10/07 09:20 | Roberto Marcora v Melik Feler | 6-1,6-1 |
| Challenger de Florencia | 2018/10/01 09:15 | Kevin Krawietz v Roberto Marcora | 5-7,7-6,6-3 |
| Challenger de Florencia | 2018/09/30 09:30 | Nik Razborsek v Roberto Marcora | 4-6,2-6 |
| Challenger de Florencia | 2018/09/29 10:05 | Alessandro Petrone v Roberto Marcora | 7-6,3-6,1-6 |
| Challenger de Eckental | 2018/10/27 10:20 | Leopold Zima v David Poljak | 4-6,4-6 |
| Challenger de Ismaning | 2018/10/13 09:00 | David Poljak v Julian Lenz | 6-7,2-6 |
| ITF Suecia F5 | 2018/10/04 12:00 | Patrik Niklas-Salminen v David Poljak | 6-1,7-6 |
| ITF Suecia F5 | 2018/10/01 12:00 | Lukas Ollert v David Poljak | 6-4,3-6,2-6 |
| Challenger de Orleans - Clasificación | 2018/09/22 17:30 | David Poljak v Yannick Jankovits | 3-6,4-6 |
| Challenger de Estambul | 2018/09/10 07:30 | David Poljak v Tak Khunn Wang | 6-4,6-7,3-6 |
| Challenger de Estambul | 2018/09/09 10:10 | David Poljak v Timur Khabibulin | 6-4,6-2 |
| Challenger de Zhangjiagang | 2018/09/02 06:50 | Di Wu v David Poljak | 6-3,6-4 |