Rafael Nadal reaches third round at Miami Open along with Stan Warwrinka

Rafael Nadal eased into the third round of the Miami Open on a day when rain curtailed proceedings in Florida.

The second seed's 6-4 6-2 win over Nicolas Almagro was the fourth and final match played on the main court before the rain fell forcing 10 contests to be postponed until Saturday, including women's top seed Serena Williams' match against Monica Niculescu which did not start.

Nadal has made the final four times at the event without claiming the title but looked to be in ominous form as he brushed aside his fellow Spaniard 6-4 6-2 in 89 minutes.

"In general, I think I played a solid match," he told www.atpworldtour.com. "I played well. I had good movement. I had to put the balls in and play with no mistakes, that was the idea today with very tough conditions.

"Almagro was not an easy opponent for the first [second] round. I am happy for that."

Hard-fought win

Stan Warwrinka advanced with a hard-fought 6-7 (7-9) 7-5 6-2 win over Carlos Berlocq while Tomas Berdych had an easier time of it, beating Hyeon Chung 6-3 6-4 to set up a clash with Bernard Tomic, a 7-6 (8-6) 7-5 winner over American Austin Krajicek.

Home favourite Sam Querrey was knocked out as he lost 6-7 (5-7) 7-6 (7-3) 6-4 to Kevin Anderson while Dominic Thiem also needed three sets to beat 10th seed Feliciano Lopez 7-6 (7-4) 4-6 6-3.

There were also wins for Leonardo Mayer, who overcame Jarkko Nieminen 6-4 7-6 (7-5) and Guillermo Garcia-Lopez, a 6-4 6-4 winner over Jan-Lennard Struff.