British number one Andy Murray takes his eye off the ball as he drops the first two sets against Austrian Jurgen Melzer

But the sixth seed fights back to clinch the third set on a tie-break before coming through in five nail-biting sets

Frenchman Gael Monfils threatens a minor upset as he takes a two-set lead over David Nalbandian

Monfils thrashes seventh seed Nalbandian 6-3 6-4 6-2, leaving the Frenchman with enough energy for a jig of delight

Venus Williams is delayed for less than an hour as she brushes aside Alona Bondarenko 6-2 6-1 to reach the fourth round

Serena Williams remains on course to meet her sister in the quarter-finals after a 6-2 6-1 win over Ai Sugiyama

And there is more good news for the home fans as Sam Querrey wins the battle of the big-servers against Ivo Karlovic

World number one Rafael Nadal is in third-round action against Serbia's Viktor Troicki

Nadal needs extra energy to come back from a break down to take the second set before prevailing 6-4 6-3 6-0

Former world number one Amelie Mauresmo reaches the fourth round of a Grand Slam for the first time this year with victory over Julie Coin

Swiss teenager Timea Bacsinszky threatens a huge upset in the women's draw when she takes the first set against Dinara Safina

Safina is stretched all the way but the sixth seed eventually comes through 3-6 7-5 6-2

Japanese teenager Kei Nishikori holds his nerve in a five-set epic to beat fourth seed David Ferrer 6-4 6-4 3-6 2-6 7-5