Henin moves on to fourth round in Miami

MIAMI, March 31 (UPI) -- World No. 1 Justin Henin cruised to a 6-2, 6-1 win over Sara Errani of Italy Sunday in the third round of Miami's Sony Ericsson Open.

The Belgian star will next face Russian Elena Vesnina, who eliminated American Ashley Harkleroad 6-4, 5-7, 6-4 in a three-hour battle.

Venus Williams of the United States was among other third-round winners, downing Marina Erakovic of New Zealand 6-2, 6-1.

American Lindsay Davenport whipped second-seeded Ana Ivanovic, the world's No. 2 player, 6-4, 6-2.