Robert Lewandowski scored a brace and Thomas Mueller got on the score sheet to win Bayern Munich's first trophy of the season.
Bayern Munich were held to a 1-1 draw by Monchengladbach in the Bundesliga opener at Borussia park on Friday night.
Portugal international Andre Silva has swapped Eintracht Frankfurt for Bundesliga rivals RB Leipzig on a five-year deal.
Spain were held by Poland to a 1-1 draw at Seville on Saturday in the Euro 2020 Group E fixture.
Slovakia's fourth win in five games against Poland was well deserved, with the players delivering excellent performances.
Gomes believes that Cristiano Ronaldo could be in the running to end up as Euro 2020's top scorer, though Robert Lewandowski was his favourite for the golden boot.
Poland coach Paulo Sousa hailed Robert Lewandoski as a player who knew how to make a difference and will make the difference.
Poland are the 1972 Olympic Gold medalists but they did not qualify for the Euro tournament for close to 48 years.
Rafal Gikiewicz saved six Robert Lewandowski shots before the Bayern hitman finally got his goal.
Karim Benzema has scored 71 goals in the UEFA Champions League sitting on level with Raúl González's tally.