Stadium: Pista 2 Round: 25 Ground: Hardcourt outdoor
| ITF Croatia F3 | 2018/03/24 10:00 | Matteo Viola v Nino Serdarusic | 1-6,5-7 |
| ITF Croatia F3 | 2018/03/23 12:35 | Matteo Viola v Deni Zmak | 3-6,6-3,6-2 |
| ITF Croatia F3 | 2018/03/22 14:00 | Matteo Viola v Nik Razborsek | 7-6,6-3 |
| ITF Croatia F3 | 2018/03/21 09:00 | Matteo Viola v Sebastian Prechtel | 6-1,6-2 |
| ITF Croatia F2 | 2018/03/16 13:30 | Mate Valkusz v Matteo Viola | 0-6,6-2,6-1 |
| ITF Croatia F2 | 2018/03/15 11:25 | Cezar Cretu v Matteo Viola | 2-6,2-6 |
| ITF Croatia F2 | 2018/03/14 14:50 | Ivan Sabanov v Matteo Viola | 3-6,0-6 |
| ITF Croatia F1 | 2018/03/10 09:00 | Javier Barranco Cosano v Matteo Viola | 4-6,7-6,6-2 |
| Challenger Alicante Qual | 2018/04/02 10:00 | Pedro Cachin v Mario Vilella Martinez | 5-7,5-7 |
| Challenger Alicante Qual | 2018/04/01 11:45 | Mario Vilella Martinez v David Vega Hernandez | 6-3,7-6 |
| Challenger Alicante Qual | 2018/03/31 08:30 | Miguel Semmler v Mario Vilella Martinez | 2-6,1-6 |
| Challenger Marbella Qual | 2018/03/24 12:45 | Kimmer Coppejans v Mario Vilella Martinez | 2-6,6-3,6-1 |
| Challenger Morelos | 2018/02/20 20:35 | Mario Vilella Martinez v Gerardo L Villasenor | 4-6,6-4,4-6 |
| ITF Spain F5 | 2018/02/14 10:55 | David Vega Hernandez v Mario Vilella Martinez | 7-6,2-6,7-5 |
| ITF Tunisia F5 | 2018/02/07 11:55 | Mario Vilella Martinez v Jonathan Kanar | 3-6,6-3,5-7 |
| ITF Tunisia F4 | 2018/02/02 09:00 | Laurent Lokoli v Mario Vilella Martinez | 7-6,7-6 |