The disappointing results and performances in the country's first two games after a 10-month long break caused by the COVID-19 pandemic might have provided evidence of how difficult it is to propel Germany forward.
In the men's singles, Russian players Daniil Medvedev and Andrey Rublev joined Thiem in the last eight while Australia's Alex De Minaur also advanced. Enditem
Llorente and Joao Tomas will give hope for another top-three finish, but with no new faces so far this summer, there is no reason to think that Atletico will mount a serious title campaign.
"This is my duty to know my team's weaknesses since I don't want to waste my time," the Croat added.
"Right now I'm really focused on the US Open, and nothing else I can think about right now," said Williams, who has won six of her 23 Grand Slam singles titles at the US Open.
"I have been [wanting to leave] all year. I thought the team needed younger players and I thought my epoch at Barcelona had ended. It was a complicated year. I suffered a lot in training, in games and in the dressing room. Everything was very difficult and there came a moment when I decided to look for new objectives."
Indeed, before the enforced break due to the coronavirus, Atletico were in sixth place in the table and it looked as if a top-four spot and qualification for the Champions League were in doubt.
"I didn't feel happy this last year at the club," explained Messi.
She will take on 15th-seeded Maria Sakkari of Greece in the last 16, who stunned Williams at last month's Western & Southern Open.
The victory was Lithuania's first competitive win since 2016, bringing an end to their 22-match winless run. Enditem
Both sides posed threats to the other, but no goals were scored in the first half. Shijiazhuang once got a good chance to score in the 33rd minute when forward Liu Xingyu was clean through on goal but his low volley was easily saved by the keeper.