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