Stadium: Cancha Raul Viver Round: 27 Ground: Clay
| Challenger Milan | 2018/06/26 10:20 | Facundo Arguello v Pedro Sousa | 6-4,4-6,4-6 |
| Challenger San Benedetto | 2018/07/17 11:00 | Facundo Arguello v Tomislav Brkic | 4-6,6-1,0-6 |
| Challenger Perugia | 2018/07/10 16:55 | Facundo Arguello v Alessandro Giannessi | 6-3,4-6,2-6 |
| Challenger Recanati | 2018/07/05 15:30 | Facundo Arguello v Salvatore Caruso | 4-6,2-6 |
| Challenger Recanati | 2018/07/03 14:00 | Facundo Arguello v Raul Brancaccio | 6-1,3-6,6-3 |
| Challenger Milan | 2018/06/26 10:20 | Facundo Arguello v Pedro Sousa | 6-4,4-6,4-6 |
| ITF Argentina F3 | 2018/06/02 14:00 | Facundo Arguello v Gonzalo Villanueva | 6-4,7-6 |
| ITF Argentina F3 | 2018/06/01 17:00 | Facundo Arguello v Santiago Rodriguez Taverna | 6-0,6-2 |
| ITF Argentina F3 | 2018/05/31 15:50 | Facundo Arguello v Camilo Ugo Carabelli | 6-1,6-2 |
| Challenger Liberec | 2018/08/03 11:00 | Pedro Sousa v Johan Sebastien Tatlot | 6-3,6-1 |
| Challenger Liberec | 2018/08/01 09:00 | Pedro Sousa v Zsombor Piros | 6-1,3-6,7-6 |
| Challenger Liberec | 2018/07/31 08:00 | Pedro Sousa v Constant Lestienne | 6-2,6-4 |
| Challenger Tampere | 2018/07/23 16:55 | Elliot Benchetrit v Pedro Sousa | 6-3,6-2 |
| ATP Bastad | 2018/07/18 12:35 | Fernando Verdasco v Pedro Sousa | 6-3,6-2 |
| ATP Bastad | 2018/07/17 09:00 | Radu Albot v Pedro Sousa | 4-6,3-6 |
| Challenger Marburg | 2018/07/04 12:00 | Pedro Sousa v Andrej Martin | 6-7,6-3,3-6 |
| Challenger Marburg | 2018/07/02 12:10 | Pedro Sousa v Nino Serdarusic | 6-4,6-1 |