Defending champion Novak Djokovic defeated Belgium 's Steve Darcis 6-0 , 7-5 on Monday to power into the last 16 of the Miami Open along with Japan 's Kei Nishikori and Canada 's Milos Raonic . The Serbian world No 1 , who just like last year won at Indian Wells before heading to South Florida , will face Alexandr Dolgopolov , a 7-5 , 6-4 winner over Brazilian Thomaz Bellucci , in the fourth round . Djokovic , who is seeking a fifth win at Miami , wrapped up a one-sided first set in 26 minutes but faced a sterner test in the second . Novak Djokoic beat Steve Darcis 6-0 , 7-5 to progress to the last 16 of the Miami Open on Monday . Djokovic returns a shot as the defending champion seeks a fifth victory at the Miami Open . Darcis broke to lead 5-4 but Djokovic soon levelled the set before going on to secure the match . Darcis broke to go ahead 5-4 but after the Serb levelled up the set , he broke back and held on to secure the match . Fourth-seed Nishikori had even less trouble as he crushed Serbia 's Viktor Troicki 6-2 , 6-2 in 63 minutes . Troicki , who needed medical treatment to his left side during the match , struggled to cope with Nishikori throughout with the 25-year-old converting five of his six break points . ‘ I was almost perfect on the court . It is so exciting that I am playing well here , ’ said Nishikori . ‘ Maybe he was hurting a little bit but I was still putting him under pressure with my return . `` ’ Raonic also moved into the fourth round after a hard-earned 6-1 , 5-7 , 7-6 ( 7-3 ) win over French 31st seed Jeremy Chardy . Japan 's Kei Nishikori crusied to a 6-2 , 6-2 victory againsy Serbia 's Viktor Troicki . Raonic was broken when serving for the match at 5-4 in the second and then Chardy went on to force the third set . ‘ He started playing more freely and I sort of went the other way , ’ said Raonic . ‘ He played well in the second set and I think he played better than I did in the third. ’ Belgian 18th seed David Goffin beat Poland 's Jerzy Janowicz 6-4 , 6-3 while Spain 's David Ferrer , the sixth seed , got past Czech Lukas Rosol 6-4 , 7-5 .
Novak Djokovic reached last 16 of Miami Open with win over Steve Darcis . The defending champion is seeking his fifth win at the Miami Open . - Rafael Nadal wins Madrid Masters for first time in four years after beating David Ferrer 6-2 6-4 6-3.