With the win against Medvedev, the 27-year-old Thiem improved to 3-1 in his head-to-head series with the Russian star and is entering his fourth Grand Slam final.
Bremen piled on the pressure and should have doubled their lead in the 52nd minute when Chong missed the target just wide.
The 37-year-old played an important role in the country's first-ever qualification to the FIFA World Cup in Germany in 2006 and subsequently in the 2010 and 2014 editions in South Africa and Brazil respectively. Enditem
"We have lost quality with Ivan Perisic and Philippe Coutinho and need to replace that to face this season's challenges," Flick said. Enditem
The lower league side had the worst possible start on home soil as Maximilian Sauer's handball allowed Jadon Sancho to break the deadlock from the spot with just 14 minutes played.
In the game played against Shenhua, Dalian forward Jose Rondon blasted a curling shot past outstretched Zeng Cheng into the net in the 33rd minute.
He came back from the injury at the beginning of the year, but following the outbreak of coronavirus, his return was postponed by a few months.
Saturday saw Arsenal kick off the season with a comfortable 3-0 win away to Fulham, with new signing Willian turning in a man-of-the-match performance.
Last season ended with failure to qualify for Europe and that saw the club begin a major clear out. Central defender Ezequiel Garay became a free agent, while Dani Parejo and Francis Coquelin were sold at a bargain price to nearby Villarreal and Spain internationals Ferran Torres and Rodrigo Moreno joined Manchester City and Leeds United, with Torres going for much less than most believe he is worth.
In a tight mixed doubles battle, Zheng Siwei/Huang Dongping rallied from one set down to overcome Feng Yanzhe/Huang Yaqiong 12-14, 15-14, 11-5, 11-8, helping Qingdao seal the victory.
Teda's Liu Ruofan had the ball into the net in the 62nd minute but it was wiped out as Liu had fouled in the build-up.