"I really wanted to give an effort here. It's my Achilles that didn't have enough to properly heal after the [US] Open. I was able to get it somewhat better, but just looking long-term in this tournament, will I be able to get through enough matches? For me, I don't think I could," said the three-time Roland Garros champion.
"Our endeavor is to ensure that our sporting facilities can compare favorably with the top addresses around the world. We are in the process of developing other sporting facilities throughout the country," he said in a statement issued after the opening ceremony.
In the 14th minute, Chongqing striker Feng Jin was knocked down by Shanghai defender Zhang Wei when he tried to make a breakthrough from the left side. Feng was rewarded with a penalty at first, but the referee decided to give Zhang a red card instead after checking the VAR.
Shandong expects a tough match on Sunday with title favorites Inner Mongolia as their next opponent, while Daqing hopes to bounce back in Sunday's encounter with Beijing, another losing side on Thursday. Enditem
Yao was the title favorite but the 30-year-old failed to clear the bar at 5.30m, although he passed the height of 5.15m in his first attempt.
"It's obviously an honor to play at the center court, playing against David, he is a great player. I know him very well, we're good friends, so it's not easy."
Greek fifth seed Stefanos Tsitsipas is among the other players through to the third round of the men's draw after he recorded a comfortable 6-1, 6-4, 6-2 win over Uruguay's Pablo Cuevas.
The first defeat after a 32-game undefeated run in the league against Hoffenheim (4-1) has raised concerns that Bayern's strict saving policy might endanger the team's progress.
Kramaric had another chance on target in the closing stages of the first half but Neuer was on guard and kept his team in the game with a diving save.
Attracting around 300 of China's top swimmers, the 2020 Championships are being held from September 26 to October 2 in Qingdao.
As opposed to a typical quota of 20 paddlers for each World Cup, the events this year will see one more berth apiece. The ITTF Executive Committee has decided to allow more flexibility for the entry procedure, due to timelines afforded to the players to enter, and certain changes to the conditions of the event series, as well as last-minute changes to some league matches.