The game was over as a contest in the 45th minute after Pau Torres put the ball into his own net to make it 4-0 and the second half was an anti-climax, although it allowed Ousmane Dembele to return after injury and new signings Pedri, Miralem Pjanic and Francisco Trincao to make their Barca debuts.
World No. 1 and top seed Novak Djokovic will kick off his campaign for an 18th major title against Sweden's Mikael Ymer later on the central court. Enditem
Olimpia must defeat Delfin at home and rely on other results going their way to have any chance of progressing to the knockout phase.
Zhang wants to improve her time further in 200m butterfly after the championships.
Pepe has scored four goals in his past five matches for Gremio, including two in the Copa Libertadores against Internacional and Universidad Catolica.
"It's an unfortunate incident, Mokua was heavily attacked by the hippo while on his training session on Monday evening. If it wasn't for his training partner who rushed to his rescue, it could have been a different story," athletics coach Francis Kamau told Xinhua on Tuesday.
The 22-year-old swimmer also broke the national record of the women's 100m freestyle in 52.90 seconds on Sunday. Enditem
The remaining games will be played on Sunday, with FC Barcelona kicking off their season at home to Villarreal. Enditem
"Mistakes are human, but I don't see how the umpire can miss that. She didn't see a double bounce," the 2017 French Open quarterfinalist added.
The Serb frequently used drop shots throughout the game, just as he did during his Rome title run last week.
The match between Sinner and Goffin was the first match under the new roof on Court Philippe-Chatrier, as the first day of this year's French Open turned out to be a stormy one.