This Sunday, Germany crosses swords with Switzerland in Basel.
"It was full gas all the way today, from start to finish there were anxious moments," said Yates.
Williams said: "I tried to stay calm and be more serene after the loss of the first set. I knew it was important for me just to keep trying, just to keep going."
For good reason, the German coach refuses to talk about winning the 2021 title or naming his side as one of the favorites.
"Serena is Serena," Sakkari said after advancing earlier Saturday by beating 19-year-old American Amanda Anisimova 6-3, 6-1. "You have to come up with some great tennis. Otherwise there is no chance against her."
"This whole situation has left me really sad and empty. I checked on the lines person and the tournament told me that thank God she is feeling ok. I'm extremely sorry to have caused her such stress. So unintended. So wrong," Djokovic said.
"Right now I'm really focused on the US Open, and nothing else I can think about right now," said Williams, who won six of her 23 Grand Slam singles titles at the US Open.
Some of the country's top athletes serving sanctions for the doping offices includes 2008 Beijing Olympics 1,500m champion Asbel Kiprop, 2016 Rio Olympics women's marathon champion Jemimah Sumgong, and former three-time Boston Marathon champion Rita Jeptoo, among others.
Necaxa's night went from bad to worse when midfielder Claudio Baeza was sent off after being shown a second yellow card for a bad challenge on Pedro Aquino with 13 minutes remaining.
A total of 331 new cases were confirmed in Japan on Tuesday, including 170 from Tokyo, the epicenter of Japan's outbreak. The Tokyo metropolitan government has maintained its highest alert level on its four-tier scale, meaning "infections are spreading" in the capital.
Tokyo 2020 president Yoshiro Mori has said that the delayed Tokyo Olympics could not be held next year if the COVID-19 pandemic continues as it is. He also said that the Games will have to be canceled if it could not be held next year.