Hertha tried to respond but for all that Braunschweig doubled their advantage through Maximilian Mittelstadt, who deflected a header into his own goal with 17 minutes gone.
The progression into the next round was a stiff piece of work for Eintracht Frankfurt, who sewed up a hard earned 2-1 victory over third division club 1860 Munich.
The lower league side had their goalkeeper Jakub Jakubov to thank as he defused the promising efforts on target from Andrej Kramaric and Christoph Baumgartner before the break.
"Our players are not in good forms. We need to make adjustment before our next matchday," Xie added.
The 79,000-seat Maracana, which hosted the World Cup deciders in 1950 and 2014, was this month described as having the worst playing surface in Brazil by Flamengo vice-president Marcos Braz.
The third seeds will face the unseeded pairing of Laura Siegemund of Germany and Vera Zvonareva of Russia in the final. Enditem
Osaka then gained the momentum and broke a third time to take the match to a deciding set.
Qingdao's winning momentum continued in the 14th round on Friday as the Shandong club edged defending champion Zhejiang Nengyuan 3-2.
BRATISLAVA, Sept. 13 (Xinhua) -- Leaders Dunajska Streda notched their sixth win in the 2020-21 season in as many games in the Slovak premier football league Fortuna Liga with a close 3-2 win over Ruzomberok on Saturday in a duel marked by two red cards.
"It means a lot. That's what we practice for. That's what we were trying to do in these five months off, working for this moment," Soares said.
Thiem was runner-up at the Australian Open earlier this year and also lost in the French Open finals in 2018 and 2019.