Suning extended the lead eight minutes later with a free-kick from Eder Martins.
"I love these big matches. To face the best guys in the world is what I do the hard work for at home and in the off-season," Thiem said. "After the first set, it was great tennis from both of us. I could have easily been down two-sets-to-one. I'm really happy to be through. It was a great semifinal."
The 61-year-old incumbent president Ahmad Ahmad, who brought the 29-year reign of former president Issa Hayatou to an end by defeating him in January 2016 could seek a second four-year term.
Yu, 25, has agreed a one-year contract with Xinjiang, with the option of a one-year extension.
"It's not how you start, it's how you finish, right?" added Williams. "I just feel like, I'm okay. I'm ready to play three sets every match if I have to. It doesn't matter. A win is a win."
Paulinho put Yang Liyu's cross home in the 27th minute to break the deadlock.
Thirty intelligence solutions in 10 key areas were unveiled in August to improve the operational efficiency of the Games and provide athletes, spectators and tourists with top-notch services.
"I went back to training, supper happy #CORONAOUT," the Brazilian posted on his Twitter account.
Wang revealed that she didn't have a coach and legitimate training due to the pandemic.
Around 800 fans witnessed the opening ceremony and the opening match. Newly promoted Chengdu Xingcheng Habitat beat Beijing Renhe 3-2 to bag a winning start.
An official of the organizing committee named Wei Tieping told Xinhua that the 14th National Games wouldn't be held in close doors amid the regular COVID-19 control in China.