Former Atletico Madrid and Chelsea defender Filipe Luis put Flamengo ahead with an eighth-minute strike and Barbosa doubled the lead with a powerful finish after Muriel Becker parried away a free-kick.
Inter Miami are currently 13th in the 14-team Major League Soccer standings, with just two wins from 10 matches in their inaugural season.
The first goal of the new season was scored by Arsenal striker Alexandre Lacazette to help his side to a comfortable 3-0 win away to Fulham, who received notice of the difficulties awaiting them on their return to the Premier League.
Kardec scored Chongqing's second goal in the 83rd minute, contributing an outstanding diving header after collecting mate's corner kick.
Chen Yufei partnered with Li Wenmei to defeat Lv Xuezhou/Lin Xin 11-5, 11-8, 11-5 in the women's doubles, gaining the opening point for Qingdao.
The former Barca striker got a straight red for slapping on the back of Alvaro Gonzalez's head.
Skocic said that he will try to build a new team with new players in the squad. "Right now, our focus is mainly on changing the style of the play of the national team," the Croatian coach said.
Ceni ended his playing career of over 20 years in 2015 after 1,237 matches for Sao Paulo. He was capped 16 times for Brazil's national team and was a part of the Selecao squad that won the 2002 World Cup in Japan and South Korea.
In the 157th edition of the notorious duel between two ancient rivals, Slovan Bratislava and Spartak Trnava, the team from the nation's capital came out on top after a convincing 2-0 victory.
"I gave everything that I could today on the court. I felt that I progressed a lot. I've played a lot of great matches. I felt that I've tested myself physically, mentally on very difficult stages. It's been great. I want to continue to keep going the same way, enjoy myself," she added. Enditem
Brazilian forward Hulk increased Shanghai's lead early in the second half with a header from full-back Wang Canchao's exquisite cross to make it 2-0.