Stadium: Opatija 2 Round: 27 Ground: Clay
| ITF Croatia F3 MD | 2018/03/20 14:25 | Sabanov/Sabanov v Celebic/Nagy | 6-7,2-6 |
| ITF Tunisia F2 MD | 2018/01/19 13:20 | Celebic/Nagy v Carli/Turchetti | 2-6,6-7 |
| ITF Tunisia F2 MD | 2018/01/18 12:55 | Bortolotti/Ocleppo v Celebic/Nagy | 5-7,6-4,9-11 |
| ITF Tunisia F2 MD | 2018/01/16 13:15 | Celebic/Nagy v Dorozhkin/Munafo | 6-4,6-2 |
| ITF Tunisia F1 MD | 2018/01/10 13:35 | Celebic/Nagy v Gutierrez-Ferrol/Perez Contri | 4-6,5-7 |
| ITF Croatia F3 MD | 2018/03/20 14:45 | Grahovac/Kajin v Oreskovic/Sudac | 7-5,6-4 |