The 21-time Grand Slam champion and the No. 4 seed from Serbia Novak Djokovic won the Astana Open trophy by defeating Greece’s Stefanos Tsitsipas, the No. 3 seed, 6-3, 6-4 on Oct. 9 in Astana, reported the Kazakhstan Tennis Federation’s press service, writes Dana Omirgazy in Astana, Sports. Novak Djokovic. Photo credit: Kazakhstan Tennis Federation. […]