Round: 62 Ground: Clay
| Tunisia F10, Singles Qualifying | 2018/03/10 10:30 | Sprovieri, Leonardo v Ivan Marrero Curbelo | 7-6,0-6,1-6 |
| ITF Portugal F3 | 2018/03/07 13:20 | Vidal Azorin, Jose Fco v Ivan Marrero Curbelo | 6-2,6-4 |
| ITF Portugal F2 | 2018/03/02 17:05 | Gueydan, Quentin v Ivan Marrero Curbelo | 0-6,6-1,7-6 |
| 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 |