Later on Thursday, Beijing also celebrated a 3-0 (25-16, 25-15, 25-21) victory against Yunnan.
Leo Messi will also be in the spotlight after a summer in which he asked to leave the Camp Nou, while the pressure will also be ramped up on Antoine Griezmann and Philippe Coutinho, who has returned following his loan to Bayern Munich.
"It's great to play and to be back with my teammates. I return with a victory and a goal, so I am happy. We are getting our feeling back, our way of playing," the 21-year-old Mbappe said after the match.
Stage One will be played across two blocks of eight days: September 13-20 and September 28-October 5.
The first half saw Granada in complete control of the game, although the visitors defended stoutly. When the home side had a sniff of goal, it was kept at bay by young goalkeeper Giorgi Mamardashvili.
"We played too passive and were not aggressive enough in the tackles," Mainz sporting director Rouven Schroder said. Enditem
In the day's other match, South Korean striker Son Heung Min scored four goals as Tottenham produced a second half blitz to win 5-2 away to Southampton.
More than 250 athletes descended on the Romanian city for two days of action. Mardare, the bronze medallist at the 2016 Balkan Championships, achieved an impressive 82.78m with his second attempt.
Flick admitted, "We're not yet at our highest level." At the same time, the coach is aware that they possibly won't reach it this season, especially when competitions are in the final stages. Enditem
NANNING, Sept. 22 (Xinhua) -- The 2020 Guilin-Ziyuan International Adventure Race will kick off on October 3 in Ziyuan County, south China's Guangxi Zhuang Autonomous Region, the local authority said on Tuesday.
Milan doubled the lead four minutes after the break as Ismael Bennacer was charged down by Riccardo Orsolini in the box, Ibrahimovic stepped up to convert the penalty.