With the victory, Portugal moves joint top of group A on four points past Russia.
Rested world champs Jerome Boateng and Mesut Oezil among the first to congratulate their potential heirs after 3-2 victory.
Video reviews led to uncertainty and confusion but ultimately correct decisions as football came to grips with the technology being tested for the first time at a major international tournament.
The Confederations Cup is set to begin in St Petersburg on Saturday, giving soccer fans around the world a first taste of what to expect when the World Cup takes place in Russia next year.
Portugal and Chile go into the Confederations Cup with full-strength squads and ambitions to win another major title after continental glory.
A day after being thrashed by Brazil 4-0, Australia's national team football coach Ange Postecoglou has taken responsibility for the crushing home defeat in Melbourne.
Iran became the second team to qualify for the 2018 World Cup by beating Uzbekistan 2-0 late Monday, sparking celebrations in the streets.
South Korea's new liberal president has offered to co-host the 2030 World Cup with rival North Korea and other Northeast Asian countries as part of efforts to promote peace in the region, his office said Monday.
Long-serving Arsenal manager Arsene Wenger has signed a new two-year contract, the club announced on Wednesday, ending months of speculation about his future.
Arsene Wenger has ended speculation over his future by signing a two-year contract extension with Arsenal, the Premier League club announced on Wednesday.