Stadium: Wisla Centrum 1 Round: 26 Ground: Clay
| Challenger Marbella Qual | 2018/03/25 14:55 | Jordi Samper-Montana v Federico Gaio | 3-6,6-7 |
| Challenger Marbella Qual | 2018/03/24 16:45 | Noah Rubin v Jordi Samper-Montana | 2-6,6-3,2-6 |
| ITF Spain F7 | 2018/03/23 13:00 | Gian Marco Moroni v Jordi Samper-Montana | 6-3,6-2 |
| ITF Spain F7 | 2018/03/22 12:25 | Jordi Samper-Montana v Raul Brancaccio | 6-3,6-4 |
| ITF Spain F7 | 2018/03/21 14:30 | Jordi Samper-Montana v Aaron Cortes Alcaraz | 6-4,5-7,6-3 |
| ITF Spain F7 | 2018/03/19 13:10 | Jordi Samper-Montana v Kuzey Cekirge | 6-3,6-1 |
| ITF Tunisia F10 | 2018/03/14 08:30 | Jordi Samper-Montana v Eduardo Agustin Torre | 6-2,0-6,5-7 |
| ITF Turkey F9 | 2018/03/07 10:40 | Filip Bergevi v Jordi Samper-Montana | 6-3,6-2 |
| ITF Tunisia F11 | 2018/03/20 08:30 | Lucas Catarina v Dan Dowson | 6-3,6-3 |
| ITF Tunisia F10 | 2018/03/12 08:30 | Baptiste Crepatte v Dan Dowson | 6-3,1-6,6-4 |
| ITF Tunisia F10 | 2018/03/11 08:30 | Dan Dowson v Isaac Stoute | 4-6,6-2,6-1 |
| ITF Tunisia F10 | 2018/03/10 10:30 | Dan Dowson v Juan M G Paiva | 6-3,6-2 |
| ITF Turkey F6 | 2018/02/10 06:00 | Mirko Cutuli v Dan Dowson | 3-6,6-1,2-6 |
| ITF Turkey F5 | 2018/02/07 08:30 | Enrique Lopez-Perez v Dan Dowson | 6-1,6-3 |
| ITF Turkey F4 | 2018/01/31 09:20 | Dan Dowson v Jung-Woong Na | 6-7,7-5,2-6 |
| ITF Turkey F4 | 2018/01/29 08:00 | Ji Sung Nam v Dan Dowson | 7-5,6-7,4-6 |