Round: 25 Ground: Clay
| ITF Spain F13 | 2018/05/31 08:30 | Ivan Marrero Curbelo v Alexander Zhurbin | 4-6,4-6 |
| ITF Spain F13 | 2018/05/29 08:00 | Edoardo Graziani v Ivan Marrero Curbelo | 4-6,4-6 |
| ITF Spain F13 | 2018/05/28 08:00 | Ivan Marrero Curbelo v Arnau R Queralto | 6-1,6-0 |
| ITF Spain F13 | 2018/05/27 10:30 | Ivan Marrero Curbelo v Chanon Phunsawat | 6-1,6-1 |
| ITF Spain F13 | 2018/05/26 11:00 | Ivan Marrero Curbelo v Santiago Plaza | 6-2,6-3 |
| ITF Spain F12 | 2018/05/20 07:00 | Florent Bax v Ivan Marrero Curbelo | 6-1,6-4 |
| ITF Spain F12 | 2018/05/19 07:00 | Mason Recci v Ivan Marrero Curbelo | 7-6,4-6,4-6 |
| ITF Spain F10 Qual | 2018/04/22 14:00 | Ivan Marrero Curbelo v Sergi Perez Contri | 3-6,6-7 |