Bryan and Sock of U.S. claim title of men's doubles final match at 2018 US Open

Lukasz Kubot (L) of Poland and Marcelo Melo of Brazil compete during the men's doubles final match against Mike Bryan and Jack Sock of the United States at the 2018 US Open tennis tournament in New York, the United States, Sept. 7, 2018. Bryan and Sock won 2-0 and claimed the title. (Xinhua/Liu Jie)