stadio: Court 1 Round: 164 Ground: Clay
| ITF M15 Setubal | 2020/10/06 10:45 | Oscar Jose Gutierrez v Patrik Niklas-Salminen | 2-6,4-6 |
| ITF M25 Porto | 2020/09/30 16:40 | Giovanni Fonio v Oscar Jose Gutierrez | 6-4,6-1 |
| Challenger Forlì | 2020/09/19 11:30 | Oscar Jose Gutierrez v Mohamed Aziz Dougaz | 3-6,7-5,2-6 |
| ITF M25 Plaisir | 2020/09/15 08:30 | Oscar Jose Gutierrez v Valentin Royer | 4-6,1-6 |
| Challenger Monterrey | 2020/03/02 18:40 | Oscar Jose Gutierrez v Collin Altamirano | 3-6,4-6 |
| Challenger Morelos | 2020/02/19 02:55 | Oscar Jose Gutierrez v Thomaz Bellucci | 6-4,3-6,2-6 |
| ITF M25 Lima | 2020/02/11 16:30 | Oscar Jose Gutierrez v Nicolas Alberto Arreche | 6-7,6-3,3-6 |
| ITF M25 Lima | 2020/02/04 14:50 | Oscar Jose Gutierrez v Matias Zukas | 6-7,3-6 |
| Challenger San Paolo | 2020/11/21 14:00 | Matheus P De Almeida v Martin Cuevas | 6-4,7-5 |
| ITF M15 Quinta Do Lago | 2020/11/01 10:00 | Matheus P De Almeida v Louroi Martinez | 3-6,6-2,8-10 |
| ITF M25 Vale Do Lobo | 2020/10/29 09:25 | Matheus P De Almeida v Maxime Hamou | 3-6,7-6,3-6 |
| ITF M25 Vale Do Lobo | 2020/10/28 12:30 | Tomas Luis v Matheus P De Almeida | 2-6,0-6 |
| ITF M25 Vale Do Lobo | 2020/10/27 09:00 | Jaimee Floyd Angele v Matheus P De Almeida | 3-6,0-6 |
| ITF M25 Vale Do Lobo | 2020/10/26 10:30 | Paulo Knippling v Matheus P De Almeida | 1-6,0-6 |
| ITF M25 Vale Do Lobo | 2020/10/25 11:00 | Marc Guardeno v Matheus P De Almeida | 0-6,1-6 |
| ITF M15 Setubal | 2020/10/05 15:00 | Matheus P De Almeida v Naoki Nakagawa | 2-6,2-6 |