Stadium: Estadio CIF Round: 45 Ground: Clay
| Challenger Braga Qual | 2018/05/05 09:00 | Francisco Dias v Martim L Prata | 4-6,5-7 |
| ITF Spain F10 Qual | 2018/04/22 14:00 | Jaume Pla Malfeito v Francisco Dias | 2-6,6-3,6-2 |
| ITF Spain F10 Qual | 2018/04/21 15:30 | Francisco Dias v Lluis Dolz | 7-5,6-2 |
| ITF Portugal F8 | 2018/04/18 15:00 | Niels Desein v Francisco Dias | 6-1,4-6,6-1 |
| ITF Portugal F8 Qual | 2018/04/16 09:30 | Francisco Dias v Lluis Dolz | 6-3,3-6,6-2 |
| ITF Portugal F8 Qual | 2018/04/15 09:00 | Francisco Dias v Alex M Pujolras | 6-2,6-4 |
| ITF Portugal F7 Qual | 2018/04/09 15:25 | Jules Okala v Francisco Dias | 7-5,6-2 |
| ITF Portugal F4 | 2018/03/14 10:00 | Francisco Dias v Maximilian Neuchrist | 2-6,0-6 |
| Challenger Braga Qual | 2018/05/06 13:25 | Juan Ignacio Galarza v Evan Furness | 4-6,3-6 |
| Challenger Braga Qual | 2018/05/05 14:00 | Juan Ignacio Galarza v Botic Van De Zandschulp | 6-4,6-4 |
| Challenger Ostrava Qual | 2018/04/29 09:00 | Jurij Rodionov v Juan Ignacio Galarza | 4-6,6-3,7-6 |
| Challenger Ostrava Qual | 2018/04/28 10:40 | Julian Lenz v Juan Ignacio Galarza | 6-3,5-7,3-6 |
| ITF Italy F9 | 2018/04/24 14:25 | Juan Ignacio Galarza v Geronimo E Busleiman | 6-2,1-6,6-7 |
| ITF Italy F8 | 2018/04/17 12:00 | Mate Delic v Juan Ignacio Galarza | 6-4,3-6,6-3 |
| ITF Italy F7 | 2018/04/10 13:40 | Juan Ignacio Galarza v Juan Pablo Ficovich | 3-6,1-6 |
| ITF Italy F6 | 2018/04/06 12:00 | Juan Pablo Ficovich v Juan Ignacio Galarza | 6-7,7-6,7-6 |