Round: 25 Ground: Clay
| ITF - Spanien F18 - Qualifikation | 2018/07/07 16:30 | Pol Fernandez v Ivan Marrero Curbelo | 2-6,5-7 |
| ITF - Portugal F11 | 2018/07/06 12:05 | Ivan Marrero Curbelo v Mark Whitehouse | 0-6,2-6 |
| ITF - Portugal F11 | 2018/07/05 12:15 | Christopher Diaz-Figueroa v Ivan Marrero Curbelo | 6-4,4-6,4-6 |
| ITF - Portugal F11 | 2018/07/04 08:30 | Tigre Hank v Ivan Marrero Curbelo | 6-7,6-7 |
| ITF - Portugal F11 - Qualifikation | 2018/07/03 08:30 | Ivan Marrero Curbelo v Roberts Grinvalds | 6-3,6-4 |
| ITF - Portugal F11 - Qualifikation | 2018/07/02 11:00 | Ivan Marrero Curbelo v Joao Antonio | 6-2,2-6,7-5 |
| ITF - Portugal F11 - Qualifikation | 2018/06/30 08:30 | Ivan Marrero Curbelo v Goncalo Ferreira | 6-2,1-6,6-1 |
| ITF - Spanien F16 | 2018/06/25 16:00 | Kaichi Uchida v Ivan Marrero Curbelo | 6-3,7-6 |