Shenhua doubled the lead eight minutes after the break when Peng's header found Bi Jinhao, who resisted a shoulder-to-shoulder challenge in the box to drill home.
Liverpool took advantage of the extra man early in the second half when Mane opened the scoring with a powerful header after a move involving Fabinho and Mohamed Salah in the 50th minute.
The design of the torch needs to take into consideration its applicability with an interior combustor before being finalized, and the route for the torch relay requires careful deliberation. Plans for the opening and closing ceremonies will also see further refinement.
Both sides had chances in the first half, but all shooting attempts were of low quality. Wang Shenchao was fouled in the penalty area in 42nd minute, but the Shanghai defender was offside beforehand.
The other match in the Chengdu division saw a goalless draw between Suzhou Dongwu and Inner Mongolia Zhongyou.
Bruno Labbadia's men gained momentum but Frankfurt stood firm and protected its lead until the final whistle.
Selby, 37, began the first stage by beating Fergal O'Brien 3-1 in the four-man group. Then the world number four defeated Brandon Sargeant with the same scoreline before drawing 2-2 with Chinese player Lyu Haotian in the last match.
Philippe Coutinho also has a lot to prove after his loan spell at Bayern, while questions remain over what style of play Koeman will look to impose.
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).
The 33-year-old leaves as the third highest scorer in Barcelona's history with 198 goals, but was not wanted by new Barca coach Ronald Koeman, while the club was also looking to lower its wage bill.
Zidane's men controlled most of the ball in the first half, but it was a sterile domination with their only clear chance coming thanks to Karim Benzema after an error by home keeper Alex Remiro. At the other end, Thibaut Courtois produced a fine save to deny Alexander Isak.