Stadium: Court 1 Round: 25 Ground: Clay
| Challenger Campinas | 2018/10/01 13:00 | Oscar Jose Gutierrez v Nicolas Alvarez | 3-6,5-7 |
| Challenger Campinas | 2018/09/30 13:00 | Oscar Jose Gutierrez v Tomas Lipovsek Puches | 6-7,6-3,6-2 |
| Challenger Campinas Qual | 2018/09/29 13:00 | Oscar Jose Gutierrez v Breno Lodis | 6-1,6-1 |
| Challenger Biella | 2018/09/18 10:30 | Matteo Donati v Oscar Jose Gutierrez | 6-3,6-3 |
| Challenger Biella | 2018/09/17 10:00 | Jan Satral v Oscar Jose Gutierrez | 6-2,6-2 |
| Challenger Biella | 2018/09/16 12:00 | Francesco Paschetto v Oscar Jose Gutierrez | 3-6,0-6 |
| Challenger Biella | 2018/09/15 12:00 | Jannik Sinner v Oscar Jose Gutierrez | 6-4,4-6,6-7 |
| ITF Italy F27 | 2018/09/13 16:25 | Oscar Jose Gutierrez v Marco Bortolotti | 3-6,1-6 |
| ITF Bolivia F2 | 2018/09/19 20:00 | Matias Franco Descotte v Ignacio Carou | 6-4,6-1 |
| ITF Bolivia F2 | 2018/09/18 21:50 | Sebastian Eguez v Ignacio Carou | 5-7,1-6 |
| ITF Bolivia F1 | 2018/09/13 22:10 | Federico Zeballos v Ignacio Carou | 6-3,6-1 |
| ITF Bolivia F1 | 2018/09/12 19:30 | Javier Naser v Ignacio Carou | 6-7,6-4,0-6 |
| ITF Bolivia F1 | 2018/09/11 19:30 | Ignacio Carou v Franco Capalbo | 6-4,6-3 |
| ITF Argentina F4 | 2018/09/03 16:30 | Lorenzo Gagliardo v Ignacio Carou | 7-6,6-1 |
| ITF Ecuador F2 | 2018/07/30 19:50 | Ignacio Carou v Bernardo Saraiva | 7-6,1-6,5-7 |
| ITF Ecuador F1 | 2018/07/25 16:00 | Ignacio Carou v Mateo Nicolas Martinez | 2-6,0-6 |