Tosic scored for Taizhou in the injury time.
About 10 minutes later, Chongqing enlarged the lead as Brazilian forward Fernandinho Silva cut in from the left, assisting his fellow peer Alan Kardec to make it 2-0 in the first half.
Guoan suffered criticism after earlier fumbling a 3-0 lead against Qingdao, suffering instead a 3-3 tie in the first leg.
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.
"We played very well against a good team. We won more tackles and played very offensively today," Frankfurt's Sebastian Rode said.
"Bryan Reynolds has flourished whenever he has gotten an opportunity," the club's president Dan Hunt said in a club statement. "He has a bright future and we're thrilled that he'll continue to grow with us at FC Dallas and at the national team level."
"I have come to the difficult decision to skip the clay court swing this year and will be taking the remainder of the season off to focus on my health and my training," the world number seven said.
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.
"For now, I think we can say that the big news will be the return of James to his place in football, playing and competing regularly, and the recovery and return of our captain Falcao," Queiroz said in an interview released by the Colombian Football Federation (FCF).
As usual, S10 is composed of three stages, namely the Play-In Stage, the Group Stage, and the Knockout Stage (including Quarterfinals, Semifinals, and Finals).
Buddies such as Liverpool coach Juergen Klopp speak about their relationship and have become even closer. "I never thought how much I would cross my fingers for Schalke," the 2019 Champions League winner said about the growing number of phone calls between him and the best man at his wedding.