Stadium: Opatija 3 Round: 25 Ground: Clay
| ITF Croatia F2 | 2018/03/15 09:00 | David Perez Sanz v Bruno Santanna | 6-3,6-3 |
| ITF Croatia F2 | 2018/03/14 09:00 | Kai Lemstra v Bruno Santanna | 3-6,3-6 |
| ITF Croatia F1 | 2018/03/08 11:00 | Tomislav Jotovski v Bruno Santanna | 6-3,0-6,7-6 |
| ITF Spain F5 | 2018/02/15 10:00 | Sergio Gutierrez-Ferrol v Bruno Santanna | 6-4,6-1 |
| ITF Spain F5 | 2018/02/13 12:45 | Bruno Santanna v Javier Barranco Cosano | 7-5,6-2 |
| ITF Spain F3 | 2018/02/01 09:00 | Bruno Santanna v Javier Barranco Cosano | 4-6,6-7 |
| ITF Spain F3 | 2018/01/29 11:30 | Bruno Santanna v Gian Marco Moroni | 6-3,6-2 |
| ITF Germany F1 | 2018/01/10 13:30 | Jakob Aichhorn v Bruno Santanna | 3-6,6-3,6-2 |
| ITF Croatia F3 | 2018/03/20 09:00 | Tom Kocevar-Desman v Horst Rieder | 6-2,6-1 |
| ITF Croatia F3 | 2018/03/18 14:00 | Tom Kocevar-Desman v Gabriel Huber | 6-0,6-1 |
| ITF Croatia F2 | 2018/03/14 09:00 | Gonzalo Escobar v Tom Kocevar-Desman | 6-3,6-3 |
| ITF Croatia F2 | 2018/03/13 08:00 | Tom Kocevar-Desman v Deni Zmak | 6-3,3-6,6-4 |
| ITF Croatia F2 | 2018/03/12 11:00 | Tom Kocevar-Desman v Pietro Schiavetti | 6-4,6-2 |
| ITF Croatia F2 | 2018/03/11 08:00 | Tom Kocevar-Desman v Leopold Zima | 6-3,6-2 |
| ITF Croatia F1 | 2018/03/09 09:00 | Dragos Dima v Tom Kocevar-Desman | 7-6,6-3 |
| ITF Croatia F1 | 2018/03/08 12:30 | Julian Onken v Tom Kocevar-Desman | 2-6,1-6 |