In the men's quarterfinals, German player Alexander Zverev was not at his flying best, but still found a way to win.
Botafogo looked set for a memorable victory when former Chelsea forward Salomon Kalou struck his first goal for the club in the 75th minute.
"It was a very good match, very good competing, as well. In the third and fourth sets, I just felt like he also raised his level," Coric said. "He was playing some really, really good tennis, because I thought I was not actually playing bad. I just thought he was too good in the third and in the fourth sets."
The girls had irregular training time during last semester because of the COVID-19 pandemic.
Hunan Hualai ranks third after sweeping Jiangsu Weikeduo 5-0 on Tuesday, with their opponents remaining at the bottom with no wins.
"As for the disqualification, I need to go back within and work on my disappointment and turn this all into a lesson for my growth and evolution as a player and human being."
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.
Roglic holds a 21-second lead over Bernal going into Monday's first rest day thanks to the bonus time he collected at the top of the mountain and at the finish line. French rider Guillaume Martin ranks third, 28 seconds behind. Enditem
Third seed Williams essayed a signature comeback and served 12 aces to edge past her American compatriot Stephens 2-6, 6-2, 6-2 in one hour and 43 minutes.
In earlier matches, sixth seed Petra Kvitova of the Czech Republic and eighth seed Petra Martic from Croatia also advanced into women's last 16. Enditem
According to Lin, the IPC allowed a transition period of four years after the new Agitos symbol was released, and Beijing 2022 will try to finish its own work by the end of 2021.