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Three unseeded players are in action on Monday. Let's look at each underdog's matchup and evaluate their chances.
Juan Carlos Ferrero: Ferrero is up against No. 20 Janko Tipsarevic, with a spot in the quarterfinals on the line. Ferrero showed his guts in a comeback, five-set win over Gael Monfils, but that means nothing now.
Ferrero is a gutsy player in outstanding shape, but he doesn't really pack a huge punch from the ground. However, his on-court intelligence will push him past Tipsarevic in five long sets.
Carla Suarez Navarro: Suarez Navarro is set to play No. 10 Andrea Petkovic in the Round of 16. Suarez Navarro has reached the quarterfinals in two Grand Slams in her young career and just celebrated her 23rd birthday on Saturday.
Her second match as a 23-year-old won't end well, as Petkovic will hit her off the court in two decisive sets.
Juan Monaco: Monaco is faced with the tall task of trying to take down Roger Federer. Federer holds a 2-0 record against the Argentinian, with both matches being fairly close.
However, Monaco is now getting his first taste of Federer at a Grand Slam. Even if Monaco is at his best, I give him a one percent chance of pulling out the W. Federer will sweep Monaco to the side in straight sets to make his 30th consecutive appearance in a Grand Slam quarterfinal.