Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF Portugal F2 Qual | 2018/02/26 10:00 | Gueydan, Quentin v Zemel, Yankel | 7-5,6-4 |
| ITF Portugal F2 Qual | 2018/02/25 14:00 | Gueydan, Quentin v Morr, Jonathan | 6-3,6-4 |
| ITF Portugal F2 Qual | 2018/02/25 10:00 | Gueydan, Quentin v Antonio, Joao | 6-2,6-3 |
| ITF Portugal F2 Qual | 2018/02/24 12:30 | Ribeiro Marcondes, Igor v Gueydan, Quentin | 6-7,1-6 |
| ITF Portugal F1 | 2018/02/19 10:00 | Gueydan, Quentin v Dias, Francisco | 3-6,1-6 |
| Cherbourg, France, Qualifying | 2018/02/10 12:20 | Gueydan, Quentin v Elgin, M. | 6-7,1-6 |
| Challenger Quimper Qual | 2018/01/28 13:40 | Donati, Matteo v Gueydan, Quentin | 6-4,7-6 |
| Challenger Quimper Qual | 2018/01/27 13:10 | Gueydan, Quentin v Larriere, Clement | 2-6,7-5,6-1 |
| ITF Portugal F2 Qual | 2018/02/27 11:15 | Tashi, Vullnet v Ivan Marrero Curbelo | 6-2,6-4 |
| ITF Portugal F2 Qual | 2018/02/25 15:00 | Kaelin, Yanik v Ivan Marrero Curbelo | 3-6,2-6 |
| ITF Spain F5 | 2018/02/10 13:30 | Ivan Marrero Curbelo v Sergi Perez Contri | 6-3,2-6,1-6 |
| Spain F4, Singles Qualifying | 2018/02/05 09:00 | Fornell-Mestres, Marc v Ivan Marrero Curbelo | 6-1,2-6,6-2 |
| Spain F4, Singles Qualifying | 2018/02/04 10:30 | Hugounenq, Arthur v Ivan Marrero Curbelo | 1-6,1-6 |
| Spain F4, Singles Qualifying | 2018/02/03 14:30 | Pointon, Samuel v Ivan Marrero Curbelo | 3-6,0-6 |
| ITF Spain F3 | 2018/01/29 10:00 | Andrey Chepelev v Ivan Marrero Curbelo | 6-2,3-6,6-1 |
| ITF Spain F3 | 2018/01/27 12:00 | Cheruku, Vasisht v Ivan Marrero Curbelo | 6-4,3-6,6-7 |