Xu and Melichar are now both one win away from the first Grand Slam women's doubles title for each of them. Xu was a women's doubles runner-up at Wimbledon in 2019, while Melichar was the runner-up at Wimbledon in 2018. Melichar does have a Grand Slam mixed doubles title, winning that event alongside Alexander Peya of Austria at that same 2018 Wimbledon.
In the second set, Zverev was still the one that called the shots, storming to a 5-1 lead after breaking twice. Thiem broke back once, but the German held his own serve to take the set 6-4.
Meanwhie, Xiralijan Muhtar, also a member of the Chinese national squad, announced his move to Nanjing Monkey Kings.
The newly-promoted Qingdao Huanghai sat at seventh place in Group B with eight teams after 10 rounds. Enditem
In the women's doubles, Jia Yifan/Du Yue of Qingdao were challenged in the first set against Tan Ning/Chen Yingying, before they finally secured the narrow win 15-13. Then Jia/Du controlled the next two sets to win 11-7, 11-4, awarding the four-time CBSL champion the victory in just 80 minutes.
Newly promoted Cadiz's hopes of returning to the top-flight with a win met with disappointed as they lost 2-0 at home to a well-drilled Osasuna.
The announcement came a day after a 2-0 home loss to Palmeiras, a result that left Corinthians 13th in the 20-team standings with just two wins from eight matches.
In the northeastern city of Fortaleza, Flamengo's seven-game unbeaten run came to an end with a 2-0 defeat at Ceara. Luiz Otavio netted with a 50th minute header following a corner before Charles Rigon struck with a low finish six minutes later after another set piece.
Liverpool waited 30 years before Jurgen Klopp steered them to glory last season and the 18-point margin of victory, (which would probably have been bigger if they had not relaxed in the closing weeks of the campaign) means everyone else has a lot of catching up to do if they want to overtake Klopp's men.
Two-time Grand Slam winner Azarenka seemed headed for an agonizing loss after being hammered 6-1 by Williams in the first set, but the 31-year-old turned the tide, raising up her level and reducing the unforced errors before securing the 1-6, 6-3, 6-3 victory.
Chang'an Athletic is in Group B with Meizhou Kejia, Guizhou Hengfeng, Zhejiang Greentown, Liaoning Shenyang and Jiangxi Liansheng. All the Group B matches will be played in Meizhou, Guangdong province.