Messi was the center of attention at the start of the game after his attempt to leave the club over the summer and Friday's criticism of the decision to sell Luis Suarez to Atletico Madrid, but Fati was the hero of the game, scoring in the 15th and 19th minute and then winning a penalty to allow Messi to add a third in a thrilling first half performance.
The side coached by Diego Martinez had kicked off their campaign with league wins at home to Athletic Club and Alaves, while also getting through two Europa League qualifying rounds, with a 4-0 victory away to Albanian outfit, Teuta and a 2-0 win at home to Locomotive Tbilisi a week ago.
"This also reflects the ever-increasing international appeal of table tennis, which is extremely pleasing to see as we continue to work hard to make the sport more global in the future," he added.
Olimpia must defeat Delfin at home and rely on other results going their way to have any chance of progressing to the knockout phase.
For the first time this season, Thomas Tuchel was able to field his Fantastic Four - Neymar, Mbappe, Icardi and Angel Di Maria - at the front and it was rewarded with a comfortable victory.
Ronaldo's penalty in the 44th minute wiped out Veretout's spot-kick, just two minutes before the Frenchman restored the lead for the Giallorossi.
The Organizing Committee will establish its Secretariat in the Chinese Football Association to run the daily operational works, while host cities Beijing, Shanghai, Tianjin, Chongqing, Chengdu, Xian, Dalian, Qingdao, Xiamen, and Suzhou will also set up offices to support the Organizing Committee.
Autuori will be replaced by his assistant coach Bruno Lazaroni, who has yet to manage a senior professional team.
Olympic medalist Wang Shun reached the finishing line first in the men's 400m individual medley in 4:11.89.
The swimmers' performances at the championships will act as an important reference for their qualification for next year's Tokyo Olympic Games. Enditem
Jepkosgei will return to the same course she shattered the world record in 2017 in half marathon and will face up against fellow countrywoman Joan Chelimo.