Top American Andy Roddick continued his smooth progress at the BNP Paribas Open, advancing to the quarter-finals at the ATP World Tour Masters 1000 tennis tournament with a 7-6(5), 6-4 win over Austrian Jurgen Melzer on Wednesday in Indian Wells.

Melzer held his own against Roddick in a first set that featured no break point chances, before the World No. 8 prevailed in the tie-break. The American then earned the only break of the match to go up 3-1 in the second set, and proceeded to finish off Melzer on his fifth match point – taking his record against the Austrian to a perfect 10-0. 

"We've had a lot of close matches, a lot of matches that I've won a first set tiebreaker,” said Roddick. “I don't enjoy the matchup as much as a 10-0 record would suggest. He's always tough, and I think there's definitely a little bit of luck involved there.”

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Roddick, who has dropped serve just once in 31 games this week, advanced to the Indian Wells quarter-finals for the sixth time in eight event appearances. He has reached the semi-finals three times, including last year when he fell to eventual champion Rafael Nadal.

The 27 year old now stands at an 18-3 season record, placing him alongside Croatian Marin Cilic atop the list of 2010 circuit match wins leaders. He has reached the quarter-finals in all five of his tournament appearances this season, highlighted by his title win in Brisbane (d. Stepanek) and runner-up finish in San Jose (l. to Verdasco).

He next faces first-time Indian Wells quarter-finalist Tommy Robredo of Spain, the No. 18 seed, who recovered from a second-set hiccup to defeat Cypriot Marcos Baghdatis 7-5, 0-6, 6-4. The 27th-seeded Baghdatis failed to convert eight break points in the final set.

Baghdatis was taking the court less than 24 hours after posting the biggest win of his career, saving three match points to upset World No. 1 and three-time champion Roger Federer on Tuesday night.

World No. 4 Andy Murray spent just 38 minutes on court in the final match Wednesday night at the BNP Paribas Open. After falling behind an early break, the 2009 finalist won six straight games before unseeded Spaniard Nicolas Almagro retired with a left ankle injury. 

“He seemed like he was moving okay,” said Murray. “At the start we had some pretty good points. But then it seemed like it came on pretty suddenly. He said he had done it yesterday, and if you have a bad ankle sprain, it's obviously very difficult to move.”

Murray next plays Roland Garros finalist Robin Soderling, who reached the quarter-finals for the first time after defeating No. 9 seed Jo-Wilfried Tsonga 6-3, 6-4.

“He's a very, very tough player because he's got big game serves,” said Murray about the World No. 7. “First serve is very, very good. Normally serves a high percentage, so it might be beneficial to play it in the wind against him during the day. But he's definitely a tough player.”