World number one Djokovic struck 51 winners to notch up the win against Edmund, extending his unbeaten run this year to 25 matches.
In the second minute after kick-off, Rondon scored the opener with his left foot. Rondon extended the lead for Dalian in the 29th minute, as he assisted Marek Hamsik to slot home.
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.
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WASHINGTON, Sept. 2 (Xinhua) -- Men's top seed Novak Djokovic of Serbia survived a first set scare to beat Britain's Kyle Edmund 6-7 (5), 6-3, 6-4, 6-2 in the second round of the US Open, while women's top seed Karolina Pliskova suffered an early exit on Wednesday.
"I was really focused each game and each point. Especially against top players, one point can make the difference. So I had to stay very calm and keep going," the world number 50 added.
RIO DE JANEIRO, Sept. 2 (Xinhua) -- Uruguay international midfielder Giorgian de Arrascaeta netted a brace as reigning champions Flamengo beat Bahia 5-3 in Brazil's Serie A championship on Wednesday.
Members of the US women's team filed a lawsuit against their federation in March because of alleged discrimination over wages. A federal judge ruled against the players, who have since lodged an appeal.
"My full efforts are totally focused on leading the Badminton World Federation and fulfilling my role as IOC member. I would like to thank the badminton and sporting community for their ongoing support and I look forward to leading the BWF as we plan for our safe return to international badminton," he said.
LAUSANNE, Sept. 2 (Xinhua) -- Armand Duplantis from Sweden set a season's best 6.07 meters in the pole vault at the Wanda Diamond League meeting here on Wednesday, securing the highest outdoor pole vault jump for 26 years.
"We have to own the questions of leadership, we have to own the questions of policy, and there's a lot to be discussed here on that in the future. It's heartbreaking," CNN quoted the owner of the Eagles of the National Football League (NFL) as saying.
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.