Shanghai is scheduled to meet Beijing Guoan in the next round on Friday, and will secure the top spot going into the second phase if it could remain undefeated. Shijiazhuang will fight against Chongqing Lifan on the same day.
Kulusevski put Juve in charge in the first half, while Leonardo Bonucci and Ronaldo sealed matters after the break.
Meanwhile, Real Betis has started the season with two wins from two games and looks a lot tougher under former Real Madrid and Manchester City coach Manuel Pellegrini than under Joan Ferrer 'Rubi' last season.
New signing Donny van de Beek gave United a chance with a goal in his debut but Zaha's excellent second strike five minutes from time condemned them to defeat.
The road so far has been far from easy, especially given the difficulties created by the global COVID-19 pandemic, which "brought an extra load and challenges" for the organizers, who spared no effort delivering on their promise of a 'green, inclusive, open and clean' Games.
Suarez is now being linked to a possible move to Diego Simeone's Atletico Madrid, who are prepared to allow Alvaro Morata to join Juventus.
According to reports, Saba will sign for three seasons at his new club, earning about 3 million U.S. dollars per year.
The final chance of the match fell to Madrid's Tony Kroos but the German's effort went wide.
Leipzig started their 58th Bundesliga season with a win and will face Bayer Leverkusen in the second round on Saturday. Enditem
Both sides have a good chance to finish among the top four with three games left in the Suzhou division.
"We had an excellent first half, it's a pity we didn't end the game right away, we dropped physically in the second half and we knew that they were aiming for breakaways, but we were good at controlling them," Pirlo said after the match.