The closure of OM Nacional EuroBic, the most important circuit on the ANSG calendar, took place over two days at Quinta do Peru, with the participation of 150 players.

The tournament counted not only for the final classification of OM, but also for the 2nd phase of qualifying for the European Championships of Seniors, Super Seniors and Masters 75+ of 2021 and for the Orizonte Circuit.
Pedro Guedes de Sousa with 3 gross strokes over the par, was the big winner in Gross and Net with 40 points. Ken Cooper with 31 points was runner-up Gross, followed by Peter Mills with 30 points. In Net after the winner, was Carlos Felício, Manuel Cândido Oliveira and Carlos Andrade, all with 40 points.
In Ladies the Gross victory went to Maria José Pinto with 21 points, followed by Fabienne Loevenbruck with 19. In this category, Net, Célia Mitschler won with 32 points, followed by Adelaide Bitti and Isabel Correia, both with 31.
In the Senior Masters Net category the winner was Carlos Felício, with 40 points, followed by Carlos Andrade also with 40 points. In Gross, the victory went to Francois Faucher with 29 points, taking 2nd place José Cândido Oliveira also with 29 points.
At the conclusion of the National EuroBic 2020 OM the winners were: Ken Cooper in Gross with 124 points, Pedro Guedes de Sousa in Net with 153 points, Maria José Pinto in Gross Ladies with 102 points, Teresa Melo Cabral in Net Ladies with 147 points, José Cândido Oliveira in Gross Master Seniors with 116 points and Mateus Marques in Net Master Seniors with 152 points.