Former Barcelona midfielder Paulinho made it 2-0 for the defending champions in the 25th minute when another naturalized player Fei Nanduo, known as Fernandinho in Brazil, saw his shot parried by Henan goalkeeper Wu Yan, and the ball rebounded to the feet of Paulinho, who tapped it in.
Real Madrid kept pressing, but Real Sociedad always gave the sensation of danger on the break with winger Ander Barrenetxea a precocious talent on the left.
"With Alexander Sorloth, we have signed our desired candidate for the vacant striker position," Leipzig's sporting director Markus Krosche said. "He is a physical and technically gifted player but also good in the air and a finisher in front of the target."
Teda's Frank Acheampong scored in the 69th minute but his goal was ruled out for offside. Alessandrini added the third for Huanghai in the 88th minute. Enditem
The result left Boca with 10 points from four matches in Group H, three points clear of second-placed Caracas FC. Independiente Medellin remained at the foot of the group with four straight defeats.
Andreescu, the 2019 US Open champion, missed the opening months of the year because of a knee injury before the pandemic forced the suspension of the sport.
Monday's match also saw Guangzhou R&F edge Dalian Pro 1-0 by Ye Chugui's late goal in the 92nd minute. The three points also helped R&F join the chase for fourth place in Dalian.
Chengdu broke the deadlock in the 52nd minute with a low drive from Serbian forward Nikola Djurdjic at close range to make it 1-0.
Atletico have emerged as the leading candidates to sign Suarez after allowing Alvaro Morata to return to Juventus, who had previously been interested in Suarez.
"The relationship with the players is excellent, it is important to have a dialogue with them," the 41-year old added.
However, Xu and Diao Linyu collided during the beginning of the third set but neither was injured. Shanghai then accumulated a seven-point lead from deftly placed shots and took the set.