Stadium: Court 5 Round: 62 Ground: Clay
| ITF Portugal F16 | 2018/08/18 08:30 | Dario Montes v Gabriel P Tumasonis | 4-6,5-7 |
| ITF Portugal F15 | 2018/08/12 08:30 | Francisco Dias v Dario Montes | 6-2,6-2 |
| ITF Spain F21 Qual | 2018/07/29 07:00 | Aitor S Llopis v Dario Montes | 6-4,6-0 |
| ITF Spain F20 Qual | 2018/07/22 09:30 | Sergio Barranco v Dario Montes | 6-4,3-6,6-4 |
| ITF Spain F20 Qual | 2018/07/21 11:00 | Dario Montes v Adria Alvarez | 6-3,7-5 |
| ITF Spain F19 Qual | 2018/07/14 10:00 | Ignasi De Rueda De Genover v Dario Montes | 6-2,6-1 |
| ITF Spain F10 Qual | 2018/04/22 14:00 | Dario Montes v Vullnet Tashi | 7-6,2-6,4-6 |
| ITF Spain F9 Qual | 2018/04/14 08:00 | Dario Montes v Diego Hidalgo | 2-6,3-6 |