o a six-wicket win over Sri Lanka in the fifth and final one-day international in Colombo. reach Miami Open finalMarin Cilic, Juan Martin Del Potro advance as Grigor Dimitrov falls in MiamiFrom thoughts of retiring to winning maiden ATP Masters 1000 title, Juan Martin del Potro returns to topThere are three men’s US Open champions still in the hunt for this year’s grand slam crown – Roger Federer, Rafa Nadal and Juan Martin Del Potro – but only one has worked his way into the fourth round without dropping a set. Sania Mirza and Shuai Peng will next face Sorana Cirstea and Sara Sorribes Tormo. “I apologize to the fans, to the referee for what happened,” he wrote in Italian on Twitter. Another Olympic champion to go down to Cuban might was Uzbekistan’s Hasanboy Dusmetov. The tall, big-serving Czech admitted that elevated expectations were taking a toll on her as she plays in her first major since hitting the top of the world rankings. Bangladesh vs Australia, 2nd Test: Bangladesh look to make history in Chittagong. losing in the first round to?Jelena Ostapenko and Fabrice Martin by 7-5, 3-6, 6-10. When playing in the centre I can control the game and generate chances. ”Standing between Del Potro and a return to the quarter-finals is sixth-seeded Austrian Dominic Thiem.