Bayern looked more active but wasn't able to create clear-cut chances against a well-positioned Hoffenheim defence.
Ambitions to win titles collide with the club leader's demands to accept the performance fluctuations of young footballers.
Also on Thursday, Shandong dominated from start to end en route to a 101-51 rout of Daqing. Enditem
Brazil has the world's second-highest COVID-19 death toll behind the United States, with more than 141,000 fatalities. Enditem
Shandong expects a tough match on Sunday with title favorites Inner Mongolia as their next opponent, while Daqing hopes to bounce back in Sunday's encounter with Beijing, another losing side on Thursday. Enditem
Fernando Lucas Martins bagged a brace in Beijing Guoan's victory over Shijiazhuang Ever Bright, while Tianjin Teda are still waiting for a win after 14 rounds in the 14th round of the CSL.
The second half was always going to be an anti-climax after the first 45 minutes, especially as there is another round of matches this week, but it allowed Koeman to bring Ousmane Dembele back for his first match in months after injury and allow new signings Francisco Trincao, Pedri and Miralem Pjanic to make their first team debuts. Enditem
Sunday's last game saw Jarod Bowen score twice as West Ham claimed their first points with a 4-0 win at home to a lackluster Wolverhampton Wanderers. Wolves' striker Raul Jimenez scored a 66th minute own goal and Sebastian Haller bagged the fourth in injury time.
Yu Jingyao from Beijing touched the finishing line first in the women's 100m breaststroke, with Zhang Xinyu from Henan and Tianjin's Zhang Muyan rounding out the top three.
"I think the time will be fast, London is a big race and all the participants are in good shape and able to run faster times," Kipchoge, who holds the official world marathon record of 2:01:39, told Xinhua on Sunday.
Third seed Thiem was competing for the first time as a Grand Slam winner and followed his fourth win in as many head-to-head clashes against Cilic. The 27-year-old improved his record at Roland Garros to 25-6.