No trouble for Nadal
Rafael Nadal had little trouble disposing of Lleyton Hewitt in the second round of the Sony Open in Miami.
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The top-seeded Spaniard had a bye through the first round and was delayed on court for only an hour and nine minutes on Saturday night, a composed performance getting the job done comfortably as Hewitt hit 24 unforced errors to Nadal's eight.
Nadal broke in the first game and again in the fifth before wrapping up the first set after just 27 minutes with a third break.
The second set was closer, with not even a break point in the first seven games, but Hewitt carelessly dropped his serve in the next and Nadal served out ruthlessly for a 6-1 6-3 win.
Australian Open champion Stanislas Wawrinka produced a strangely inconsistent display to beat Daniel Gimeno-Traver.
Third seed Wawrinka was in irresistible form as he stormed through the opening set without losing a game, dropping just three points on his serve.
But the Swiss star then served three double faults and committed 23 unforced errors as he lost his serve twice in the second set, allowing Gimeno-Traver to get back on level terms.
Wawrinka regrouped in the decider and an early break of serve helped him eventually seal a 6-0 3-6 6-3 victory which sets up a meeting with France's Edouard Roger-Vasselin, who upset 25th seed Marin Cilic 6-2 7-6 (7/5).
"I started well first set. It wasn't going that well but I was positive, ready," Wawrinka said.
"Problem is I still have some up and down mentally. I was negative in the second set, a little bit stupid, but then I'm really happy the way I started the third set."
Seventh seed Tomas Berdych had to come from a break down in the first set to beat France's Stephane Robert 7-6 (7/5) 6-1, while 22nd seed Alexandr Dolgopolov beat Finland's Jarkko Nieminen 6-4 6-2.
But there were several casualties among the seeded players as Jerzy Janowicz, Marin Cilic, Gael Monfils, Gilles Simon, Dmitri Tursunov and Vasek Pospisil all fell.
Monfils, the 23rd seed, lost 6-2 7-5 to Guillermo Garcia-Lopez and fellow Frenchman Simon (26) was beaten 7-6 (7/5) 3-6 6-3 by Portugal's Joao Sousa.
Janowicz (19) was dumped out 6-4 6-1 by Roberto Bautista Agut, the in-form Cilic (25) lost 6-2 7-6 (7/5) to Edouard Roger-Vasselin, Denis Istomin beat Tursunov 6-7 (8/10) 6-0 6-3 and Pospisil (27) was beaten 6-7 (5/7) 7-5 6-3 by Aljaz Bedene.
Fourteenth seed Fabio Fognini made it through, beating Lukas Lacko 6-4 6-4, while Milos Raonic (12) and Nicolas Almagro (18) were also victorious and contributed to an exodus of home players.
Raonic dispatched fellow big server Jack Sock 6-4 7-6 (7/1) and Almagro beat Sam Querrey 6-4 6-4, while Ryan Harrison lost to Benjamin Becker and Donald Young was the casualty of an all-American tie won 6-7 (5/7) 6-3 6-4 by 10th seed John Isner.
Lucky loser Dusan Lajovic beat Yen-Hsun Lu in three sets while in the doubles, Britain's Colin Fleming and Ross Hutchins were beaten by top seeds Bob and Mike Bryan and Jamie Murray and Dominic Inglot, and respective partners John Peers and Treat Huey, also crashed out.