Bayern grew into the game as the clock ticked, and Muller's goal was reversed by the video assistant referee before Lewandowski nodded home Serge Gnabry's cross to mark his 100th goal on home soil.
The Blanquirroja are aiming to qualify for their second consecutive World Cup, having ended a 36-year drought to earn a place at the 2018 tournament in Russia.
Dongguan saw the national trio of Li Yueru, Yang Liwei and Huang Sijing depart to Inner Mongolia during the offseason.
Matthaeus encouraged Schalke not to give up as 31 rounds of matches still remain.
5. Colombia: The old and the new
"We didn't perform well in the first quarter. We had a tough start, but ultimately took our chance," Shaanxi coach Jiang E'Ying reflected.
He also suggested that people should go to qualified institutions and participate in these sports with professional guiding and safety measures. Enditem
"In terms of where we are competition-wise, the objective at the end of the day is to measure our standard to the South African standard and see if we can meet it. We are not oblivious though, we have included six of our foreign-based players. They will bring in more drive and experience to add to that of our local players," he concluded.
Wuhan and Jiangsu were placed second and third in the league's championship group before Tuesday's third-round matches, and both teams needed to secure their place in the top two after this round to reach the league final.
Mainz were unable to gain a foothold into the first half and had to wait until the 38th minute to get their first chance on target, as Jean-Philippe Mateta's header came close.
"I can't get to sleep last night because I was so excited," The 43-year-old swimming fanatic said. "And I was not the only one - every one of our online group was awake late at night, cheering each other up for today's event."