The result at the Nabizao stadium lifted Internacional to second in the 20-team standings, two points behind leaders Atletico Mineiro. Bragantino dropped to 19th and have just two wins from 14 matches.
"I was expecting another level of play, something else, but it's normal. We haven't played for a year," the six-time Ballon d'Or winner said. "It's the anxiety of the first game. The important thing is to keep growing as we have done since the  Copa America.
"We have to give ourselves credit for taking the game seriously," he said. "Despite scoring one or two early goals we continued to give our all and that's what you expect from Brazil's national team."
Ahead of the start of the first round, player Stuart Carrington and referee Andrew Barklam tested positive for COVID-19.
Reigning champions Banska Bystrica, on the other hand, are experiencing a nightmare start into the new season, getting crushed by Poprad 7-1, losing their third straight match as a result.
The fifth-ranked team will advance to an inter-continental playoff over two legs. Enditem
The top four teams at the end of the South American Football Confederation (CONMEBOL) qualifying tournament will automatically earn a place at the 2022 World Cup in Qatar.
The player, who was born in the outskirts of Barcelona 24 years ago, decided to join Spain rather than his parents' homeland and made his debut as a 62nd minute substitute in Spain's 0-0 draw away to Portugal on Wednesday night.
"I feel quite excited! It's much more difficult to move on the soft sand than on a football pitch, but I feel more relaxed and I can run freely with bare feet, to enjoy the different charm of sports," said the 33-year old.
Basketball Australia's head of women's basketball Lauren Jackson thanked all parties that ensured the season went ahead during the COVID-19 pandemic.
"I am really grateful to Luis Enrique and all of the staff and the doctors, who have helped me. I was looking forward to thanking them on the pitch," added Adama, who said Luis Enrique, the head coach of the Spain's national team, asked him to always give everything and show the qualities.