Round: 62 Ground: Clay
| ITF Spain F19 Qual | 2018/07/16 07:30 | Gianni Ross v Jeff Guerrero | 6-2,6-2 |
| ITF Spain F19 Qual | 2018/07/15 07:30 | Carles S Tamarit v Jeff Guerrero | 4-6,6-4,5-7 |
| ITF Spain F19 Qual | 2018/07/14 07:30 | Juan Pablo B Leon v Jeff Guerrero | 1-6,0-6 |
| ITF Tunisia F22 | 2018/06/04 09:00 | Dennis Uspensky v Jeff Guerrero | 6-4,7-5 |
| ITF Tunisia F22 | 2018/06/03 09:00 | Neil Oberleitner v Jeff Guerrero | 5-7,0-6 |
| ITF Spain F13 | 2018/05/27 10:30 | Mason Recci v Jeff Guerrero | 6-1,6-7,6-1 |
| ITF Egypt F17 | 2018/05/09 08:00 | Jeff Guerrero v Anton Magnusson | 3-6,5-7 |
| ITF Egypt F17 | 2018/05/07 08:30 | Mousa Alkotop v Jeff Guerrero | 1-6,3-6 |
| ITF Spain F19 Qual | 2018/07/14 08:30 | Benjamin Winter Lopez v Carlos V Martinez | 6-2,6-3 |
| ITF Spain F7 | 2018/03/16 08:00 | Mikel Martinez v Carlos V Martinez | 6-1,6-1 |
| ITF Spain F6 Qual | 2018/03/10 08:00 | Felipe S Zyabtchenko v Carlos V Martinez | 3-6,6-0,6-4 |
| ITF Spain F1 | 2018/01/14 09:00 | Carlos V Martinez v Yahor Yatsyk | 5-7,2-6 |
| ITF Spain F1 | 2018/01/13 09:00 | Samuel Pointon v Carlos V Martinez | 4-6,5-7 |
| ITF Spain F33 | 2017/10/08 11:30 | Alvaro S-R Ariza v Carlos V Martinez | 6-0,6-2 |
| ITF Spain F21 Qual | 2017/07/09 09:00 | Sergi Perez Contri v Carlos V Martinez | 6-1,6-1 |
| ITF Spain F21 Qual | 2017/07/08 09:00 | Luis Diaz Argente v Carlos V Martinez | 1-6,4-6 |