It was the third upset of a seeded team for Siegemund and Zvonareva during the fortnight, having knocked off No.7 seeds Victoria Azarenka and Sofa Kenin in the second round before a stunning win over second seeds and defending champions Elise Mertens and Aryna Sabalenka in the quarterfinals.
The 27-year-old disclosed that he would participate in 100m and 200m, and he expected to get improvements through the event.
Evergrande doubled the lead in the 69th minute with a stunning free kick from Ai, two minutes after his tap-in was ruled out due to off-side.
Williams had to come back from a set and a break down to storm to a 4-6, 6-3, 6-2 win against Bulgaria's Tsvetana Pironkova while Azarenka dropped just one game against 16th seed Elise Mertens of Belgium to seal a spot in the semifinals.
The first goal of the new season was scored by Arsenal striker Alexandre Lacazette to help his side to a comfortable 3-0 win away to Fulham, who received notice of the difficulties awaiting them on their return to the Premier League.
"In the end all I focus on is what I can control on the tennis court. That's what I did in 2018 final. I feel like that's what I did this time," said the 22-year-old Osaka, who defeated Serena Williams of the United States to win the 2018 title.
"I felt today I really executed the game very precisely," Azarenka said. "I was moving really well. I made the ball very long. So I felt I played well. I found all the right answers to everything she was trying to make, so I'm very happy with that."
Cheptegei and Kiplimo are only part of the top tier of athletes that the East African country has to offer.
"We (the Chinese women's volleyball team) hope that the Olympic Games will be held successfully because we have been fighting for this for four years," said the 25-year-old.
The Premier League announced last Thursday that they have terminated their cooperation with Chinese broadcaster PP Sports.
As the match progressed Leipzig increased the pressure and came close through Hwang and Lukas Klostermann.