stadio: CENTRE COURT Round: 25 Ground: Clay
| ITF Brasile F5 | 2018/10/19 13:00 | Oscar Jose Gutierrez v Rafael Matos | 3-6,6-7 |
| ITF Brasile F5 | 2018/10/18 13:00 | Oscar Jose Gutierrez v Carlos E. Severino | 6-3,6-1 |
| ITF Brasile F5 | 2018/10/15 22:00 | Oscar Jose Gutierrez v Ignacio Carou | 6-4,7-5 |
| 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 |
| ITF Brasile F5 | 2018/10/17 13:00 | Ignacio Monzon v Rafael Matos | 0-6,2-6 |
| ITF Brasile F5 | 2018/10/16 13:00 | Ignacio Monzon v Rai Vicente de Araujo | 7-6,6-3 |
| ITF Bolivia F3 | 2018/09/28 14:00 | Ignacio Monzon v Andres Urrea | 5-7,4-6 |
| ITF Bolivia F3 | 2018/09/26 14:00 | Ignacio Monzon v Antonio Cayetano March | 2-6,6-4,6-4 |
| ITF Bolivia F3 | 2018/09/25 16:35 | Ignacio Monzon v Cleiner Caceres | 6-4,6-1 |
| ITF Bolivia F2 | 2018/09/19 01:00 | Ignacio Monzon v Raul Garcia | 2-6,4-6 |
| ITF Bolivia F1 | 2018/09/12 21:45 | Ignacio Monzon v Matias Zukas | 6-7,3-6 |
| ITF Bolivia F1 | 2018/09/11 22:40 | Sebastian Eguez v Ignacio Monzon | 6-3,3-6,1-6 |