But the favourite was comprehensively beaten in four sets by his fellow Spaniard Albert Costa.
The British-born Australian rallied to take four sets in a row to defeat the former champion.
The new Kenyan leadership is certainly a family affair, with another four sets of siblings elected into office.
When Sampras eventually beat Patrick Rafter after four sets of high-quality tennis, the darkness had begun to fall.
Here's a look at how a Roth might work--or not--for four sets of people of different ages and circumstances.
That comes at a price: four sets of consultants paid to find five answers to what is, basically, one question.
ECONOMIST: The NHS is to spend billions on IT. Will it be spent well?
New Jersey is merging its medical college into Rutgers University, and there are four sets of mergers in Georgia alone.
ECONOMIST: Many American universities are in financial trouble
All four sets of voters have to support the bid, or that's it, and the IOC will never hear about it.
Argentine Juan del Potro also won in four sets as he saw off Go Soeda 6-2 6-3 1-6 6-4 on Court 18.
Their last tie saw them lose 3-2 to Lithuania in March, with Skupski and Fleming winning their doubles encounter in four sets.
Tsonga will face Thiemo De Bakker of the Netherlands next after he knocked out number 32 seed Guillermo Garcia-Lopez in four sets.
As it gained speed, it rose up out of the water on four sets of blades, like the slats found on venetian blinds.
Safin was hot favourite to win the Australian Open final in January but was beaten in four sets by 16th seed Thomas Johansson.
Spanish hopes in the absence of the injured Rafael Nadal now rest with consistent Nicolas Almagro, who beat American wildcard Jack Sock in four sets.
Ninth seed J uan Martin del Potro was also taken to four sets before the Argentine beat Spanish veteran Albert Montanes 6-2 6-7 6-2 6-1.
In the second singles rubber, Berdych beat Cilic in four sets.
He will face Federer in the final for the third straight year, having lost in four sets in 2006 and a five-set classic 12 months ago.
It is characteristic Caro giant plates of rusting steel, bolted and welded together into four sets of tall, step-like forms, back to back, which gives them the appearance of ziggurats.
The 2010 champions reached the last eight on Saturday when Viktor Troicki and Nenad Zimonjic defeated Belgian pair Steve Darcis and Ruben Bemelmans in four sets 6-4 6-4 5-7 6-4.
But the Scot responded well, winning the third set 6-2 in just 33 minutes before surviving another tie break to win through in four sets in three hours and 27 minutes.
Earlier Federer survived a loss of form in a scrappy second set before finally coming through in four sets against Robredo, world number 52 and a quarter-finalist in this tournament four years ago.
The world No. 1 will face fourth seed Novak Djokovic, who reached the last four for the third year in a row after beating Spanish 10th seed Fernando Verdasco in four sets, 7-6 (7-2), 1-6, 7-5, 6-2.
The opening day of the second grand slam of the season did not feature the leading attractions, but French hope and fifth seed Jo-Wilfried Tsonga gave the home crowd some cheer with a four sets win over Russian qualifier Andrey Kuznetsov.
The sinuses consist of four symmetrical sets of air-filled bony cavities located in the forehead and cheeks and adjacent to the nose.
Georgia Chopsticks currently has 102 employees and manufactures four million sets of chopsticks each week, but the company is not stopping there.
He is making limited large-format editions of selected images, including four additional sets of the 800 prints he's supplying to Dartmouth and 28 each of two portfolios containing 20 World War II prints.
In the remaining second-round matches to be completed, Julien Benneteau won 6-0 in the fifth set to edge past Colombia's Alejandro Falla, while Florent Serra needed four tight sets to eliminate Romania's Victor Hanescu.
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