Qingdao pulled one back in the 85th minute with an overhead kick from French midfielder Romain Alessandrini.
In the other game, Jiangsu Suning fumbled a 3-1 lead against Guangzhou R&F, only to slip to a 3-3 draw.
The Champions League's group phase draw is taking place in Athens on October 1 with Bayern starting late into the national cup season two weeks later.
CHENGDU, Sept. 13 (Xinhua) -- Powerhouses Qingdao Renzhou and Ruichang Biyuan will meet in the final of the 2020 China Badminton Super League (CBSL) after both clinched victories here on Sunday.
"Concrete pouring must be done all at once, so it's common for us to work continuously for more than 10 hours. In order to catch up the schedule, we have to fight!" he said with a smile.
Both sides had one player down in the dying minute as Luneng's Dai Lin was sent off due to an awful tackle after Evergrande's Luo Guofu saw red for stamping.
"It was very, very hectic," said Ewan after the win.
The 2020 CBSL run from August 27 to September 14 in Chengdu. Due to the impact of the COVID-19 pandemic, all games were played behind closed doors. Enditem
"We have another session tomorrow morning and we'll decide which players are able to play the game." the German coach added.
"The president of the AFA [Argentinian Football Association], Claudio Tapia, sent a query to CONMEBOL about the suspension of Argentina captain, Lionel Messi," the region's governing body for football said on Twitter.
The next round of the 2020 Formula 1 championship is the Russian Grand Prix at the Sochi Autodrom on September 27. Enditem