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