The former German international said that Premier League clubs are trying to take advantage of the extended transfer window due to the COVID-19 pandemic: "We are ahead of a nerve-racking three weeks until the window closes on October 5."
Thanks to his teammates Qiao Shijun/Chen Yingying, Han Yue and Liu Cheng/Huang Kaixiang, who clinched victories in the women's doubles, women's singles and men's doubles respectively, Xiamen gained the last three points, remaining at fourth in the standings.
Bruno Labbadia's men gained momentum and pushed Braunschweig onto the back foot. Berlin's efforts paid off at the half-hour mark after Matheus Cunha had all the time and space to curl the equalizer into the far post corner.
The title is the 27-year-old Thiem's first Grand Slam trophy after three previous defeats in finals of tennis majors.
In an earlier match on Monday, Xiamen Tefang beat Hunan Hualai 3-1 to win the bronze medal.
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.
Fernandinho created the third goal of Chongqing six minutes later, breaking the rivals solid defense as a left-winger and helping Mierzejewski fire in close range through an accurate low pass.
"We beat ourselves today. Our performance is hard to explain but it is a bitter defeat, that is for sure," Hertha Berlin head coach Bruno Labbadia said.
Internacional are now three points clear of second-placed Flamengo with six wins, two draws and one defeat.
Besides Loe, two non-Chinese players, Nigerian striker Kingsley Onuegbu and Cameroon international Robert Ndip Tambe, have joined the second-tier club in northwest China's Shaanxi province.
Crouser unleashed a throw of 22.74m at his third attempt, beating his own meeting record of 22.28m set here in 2016.