Ground: Clay
| ITF Croatia F4 Qual | 2015/03/09 09:00 | Zdenek Kolar v David Poljak | 6-3,6-4 |
| ITF Croatia F4 Qual | 2015/03/08 13:00 | Francesco Salviato v David Poljak | 6-4,0-6,3-6 |
| ITF Croatia F4 Qual | 2015/03/08 09:00 | Andrei Patrui v David Poljak | 6-7,0-6 |
| ITF Croatia F4 Qual | 2015/03/07 08:00 | David Poljak v Fabian Van Der Lans | 6-2,6-1 |
| ITF Croatia F3 | 2015/02/28 08:00 | David Poljak v Edoardo Pompei | 6-3,3-6,5-7 |
| ITF Italy F2 Qual | 2015/02/22 12:40 | David Poljak v Lorenzo Frigerio | 3-6,2-6 |
| ITF Italy F2 Qual | 2015/02/21 12:15 | Luca Pancaldi v David Poljak | 2-6,5-7 |
| ITF Germany F1 Qual | 2015/01/05 09:00 | Gil Uwe Grund v David Poljak | 7-6,7-5 |