There is a duel between newly promoted sides as Huesca take on Cadiz, who need to recover from their opening day defeat, before Betis' rescheduled game at home against Valladolid.
Playing on home soil, Musetti will meet Kei Nishikori of Japan in the second round, but the youngest player said he would "enjoy the victory" before that.
Hoffenheim dominated possession and produced more promising chances but Horn was on guard to deny Kramaric and Pavel Kaderabek in the 18th minute.
The second half saw Sharjah take the first lead after Moroccan defender Medhi Benatia received a red card for an elbow on Sharjah playmaker Igor Coronado, who beat the goalkeeper with a curled effort, but the ball bounced off the upright and fell to midfielder Majed Surour whose diving header help Sharjah establish the lead for the first time in the tie.
Chongqing broke the deadlock in the 57th minute with a low drive from Fernandinho after he got a wonderful pass from Kardec to make it 1-0.
The 29-year-old midfielder joined the Reds with a reported fee of 20 million pounds (about 25.8 million US dollars) for four years to become the club's second signing of the summer transfer window, following Kostas Tsimikas in August.
Bayern might face 55 games in 254 days if the Bavarians reach the finals in all competitions.
When asked about Suarez, who was also left out of a friendly against Gimnastic Tarragona at the weekend, Koeman said he had "spoken to him about the future and whether or not he will stay."
The emblem and mascot of the 11th China's National Games for Persons with Disabilities & the 8th China National Special Olympic Games were unveiled at the gala.
Flamengo remain second in the group with six points from three matches but with a negative goal difference.
"The board is united and there has been no discussion about Dome's position. It hasn't even been considered," Braz told reporters on Saturday.