Elsewhere, Belgium's Elise Mertens upset second seed Sofia Kenin of the United States 6-3, 6-3 to also make the last eight.
Belgium swept Iceland 5-1 at home to lead Group 2 with two wins, and Denmark drew 0-0 with England as both teams failed to create good chances. Enditem
Elsewhere, Canadian rising star Denis Shapovalov stunned seventh seed David Goffin of Belgium 6-7 (0), 6-3, 6-4, 6-3 to make last eight, while Croatia's Borna Coric also advanced.
SUZHOU, China, Sept. 4 (Xinhua) -- Brazilian striker Luiz Muriqui's eligibility to play the ongoing Chinese Super League (CSL) has been questioned by Chinese media after the player returned from a visit to his new-born daughter to the field without seemingly going through any quarantine.
WADA said in a statement on Friday that several government representatives have expressed concerns "relative to threats from the United States Government to withdraw funding from the Agency if WADA did not fulfill a number of conditions."
After a discussion of around 10 minutes between tournament referees and officials, Djokovic was disqualified from the match.
NAIROBI, Sept. 4 (Xinhua) -- Kenya is backing World Athletics' (WA) new testing program that was launched on Tuesday targeting top road runners in marathon, half-marathon and long distances.
In March, the Confederation of African Football (CAF) postponed the 2021 AFCON qualifying matches due to the COVID-19 pandemic.
Djokovic has won five of the past seven Grand Slam tournaments to raise his total to 17, closing in on rivals Roger Federer, who has a men's record of 20 titles, and Rafael Nadal, who has 19.
With white hair, sunglasses and professional sportswear, Gu is greeted by many people as he goes past them.
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.