Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M25 - Porto | 2020/09/30 16:40 | Giovanni Fonio v Oscar Jose Gutierrez | 6-4,6-1 |
| Challenger Forli | 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 - Punta del Este | 2020/01/27 17:45 | Oscar Jose Gutierrez v Mariano Kestelboim | 4-6,6-3,5-7 |
| ITF M25 - Porto | 2020/10/01 13:00 | Shuichi Sekiguchi v Patrik Niklas-Salminen | 3-6,6-2,6-3 |
| ITF M25 - Porto | 2020/09/30 13:30 | Patrik Niklas-Salminen v Ryan Peniston | 6-4,6-2 |
| ITF M15 - Castelo Branco | 2020/09/23 15:05 | Patrik Niklas-Salminen v Natan Rodrigues | 6-7,1-6 |
| Davis Cup | 2020/03/06 18:10 | Manuel Sanchez v Patrik Niklas-Salminen | 4-6,4-6 |
| Challenger Calgary | 2020/02/27 01:40 | Patrik Niklas-Salminen v Maxime Cressy | 3-6,2-6 |
| Challenger Calgary | 2020/02/24 20:55 | Jacob Grills v Patrik Niklas-Salminen | 2-6,4-6 |
| Challenger Drummondville | 2020/02/20 17:45 | Johannes Haerteis v Patrik Niklas-Salminen | 7-6,5-7,7-5 |
| Challenger Drummondville | 2020/02/18 18:50 | Patrik Niklas-Salminen v Go Soeda | 7-6,6-4 |