More than 5,000 participants from 156 teams from over 30 countries and regions competed in the games.
"I'm kind of scared how good she's going to be in the future," Osaka said. "My biggest takeaway from her game is that she didn't back down from me or from the speed of my ball, which for someone that young is kind of amazing."
Pepe has made 99 appearances for Gremio and scored 21 goals since making his professional debut in 2017.
Djokovic's exit means there will be a first-time Grand Slam champion in the men's draw, with Zverev among the contenders at Flushing Meadows.
In a statement, Fluminense did not disclose details of the move nor the name of the 20-year-old's new club, though widespread media reports in Brazil and Portugal said he had signed with Porto.
The men's hammer throw was a battle between two Polish competitors, with Pawel Fajdek beating Wojciech Nowicki with his best of 79.81m. Alexandra Tavernier of France won the women's event after she threw 74.12m.
Medvedev will next face fellow American Frances Tiafoe, and Thiem will take on Canada's rising star Felix Auger-Aliassime.
MEXICO CITY, Sept. 8 (Xinhua) -- The first round of FIFA World Cup qualifiers for North America, Central America and the Caribbean have been pushed back to early next year as the region continues to grapple with the coronavirus pandemic.
Former two-time Olympic canoeing champion Meng Guanliang, who called on the public to live a green and healthy life at the closing ceremony, said he was "very excited" to be part of such an event.
"Now the games are less, for me the time for the preparation is not the best, I had only two weeks,"
"The female Iranian players have to wear a hijab or a head cover. In the beginning, it was difficult because there were no leagues who accepted us. However, the Bulgarian federation opened its doors to Iranian women and confirmed our participation in their league," said Borhani.