In women's singles, top seed Pliskova of the Czech Republic was upset by France's Caroline Garcia in the second round.
A source told Xinhua, they have paid 50 percents of the negotiated fees at the initial stage of the three-year circle.
Also on Thursday, former Italian international Eder scored the winner to help Jiangsu Suning beat Shangdong Luneng 1-0.
The victory sends Garcia into the third round, equaling her best US Open result after finishing at that stage every year from 2016 to 2018.
World number one Djokovic struck 51 winners to notch up the win against Edmund, extending his unbeaten run this year to 25 matches.
At Rio de Janeiro's Olympic stadium, former Chelsea forward Salomon Kalou made his debut for Botafogo but could not inspire the hosts to victory over Coritiba.
With the win, Suning leapfrogged Luneng into second place on the table with 17 points from nine games, two points adrift of Fabio Cannavaro's Guangzhou Evergrande who have played one match less.
BUDAPEST, Sept. 2 (Xinhua) -- Hungary's Attila Valter won the Tour de Hongrie cycling race on Wednesday, beating American and Australian rivals.
DALIAN, China, Sept. 3 (Xinhua) -- Salomon Rondon contributed one goal and two assists as Dalian Pro crushed Henan Jianye 4-0 in the ninth round of the Chinese Super League here on Thursday, while Jiangsu Suning beat Shangdong Luneng 1-0.
PP Sports released a statement on Thursday night, claiming the termination was just a "strategic adjustment".
Bale added that despite apparently not being in Zidane's plans, Madrid had stopped him moving last season.