stadio: Opatija 2 Round: 25 Ground: Clay
| ITF Croazia F3 | 2018/03/20 08:30 | Ivan Sabanov v Deni Zmak | 2-6,3-6 |
| ITF Croazia F3 | 2018/03/19 14:00 | Deni Zmak v Andres Gabriel Ciurletti | 6-2,6-2 |
| ITF Croazia F3 | 2018/03/19 11:00 | Andre Biro v Deni Zmak | 2-6,3-6 |
| ITF Croazia F2 | 2018/03/13 08:00 | Tom Kocevar-Desman v Deni Zmak | 6-3,3-6,6-4 |
| ITF Croazia F2 | 2018/03/11 08:00 | Marko Pavlovic v Deni Zmak | 0-6,1-6 |
| ITF Croazia F2 | 2018/03/10 08:00 | Dominik Kisantal v Deni Zmak | 1-6,2-6 |
| ITF Croazia F1 | 2018/03/08 09:00 | Alexandar Lazarov v Deni Zmak | 6-4,6-3 |
| ITF Croazia F1 | 2018/03/07 09:00 | Deni Zmak v Antun Vidak | 6-1,3-6,10-6 |
| ITF Croazia F2 | 2018/03/16 12:00 | Matej Sabanov v David Perez Sanz | 5-7,6-3,4-6 |
| ITF Croazia F2 | 2018/03/15 09:00 | David Perez Sanz v Bruno Santanna | 6-3,6-3 |
| ITF Croazia F2 | 2018/03/13 11:15 | Lukas Krainer v David Perez Sanz | 6-3,1-6,3-6 |
| ITF Croazia F1 | 2018/03/08 12:30 | David Perez Sanz v Matteo Viola | 3-6,2-6 |
| ITF Pakistan F1 | 2017/12/07 06:00 | Shalva Dzhanashia v David Perez Sanz | 6-2,6-3 |
| ITF Pakistan F1 | 2017/12/06 05:30 | Nikolay Vylegzhanin v David Perez Sanz | 1-6,3-6 |
| ITF Pakistan F1 | 2017/12/05 09:00 | Ivan Ponomarenko v David Perez Sanz | 3-6,2-6 |
| ITF Egitto F35 | 2017/11/23 13:30 | Daniil Zarichanskiy v David Perez Sanz | 3-6,7-5,6-4 |