"I personally feel like it's an obligation to qualify," the 58-year-old Argentinian told reporters. "I play to win and I don't take losing particularly well."
The re-appointment of Simiyu brought an end to speculation over who would take over the team that has struggled in the HSBC World Rugby Sevens Series since he left.
As the match seemed headed for a goalless draw in the second half, Shijiazhuang broke the deadlock in the 88th minute with a cross from Brazilian forward Matheus Leite Nascimento, helping midfielder Chen Pu to score an open goal.
Reigning champion Barty said there were two reasons for her decision to skip the clay-court tournament, which is scheduled to take place in Paris from September 27 to October 11.
The first half did not witness any breakthroughs until the last minute before the interval. Paulo Henrique Soares dos Santos's volley on the right side of the box was denied by the left post, but Wang Qiuming contributed a sliding shot in front of the goal to make it 1-0 for Hebei.
Chelsea director Marina Granovskaia described Havertz as "one of the best players of his age in world football".
"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.
After a discussion of around 10 minutes between tournament referees and officials, Djokovic was disqualified from the match.
MOSCOW, Sept. 6 (Xinhua) -- The International Army Games 2020 ended in a suburb here Saturday, with the Chinese team winning second place in the tank biathlon competition.
With white hair, sunglasses and professional sportswear, Gu is greeted by many people as he goes past them.
PARIS, Sept. 6 (Xinhua) -- Team Jumbo rider Primoz Roglic clinched the yellow jersey from Britain's Adam Yates after Sunday's 2020 Tour de France stage 9, while Roglic's Slovenian compatriot Pogacar won the stage.