Updated: June 28, 2005, 12:20 PM ET
McEnroe: Men's quarters picks
Fernando "Gonzo" Gonzalez has yet to lose a set in the tournament. That is about to change in a hurry. Federer was tested against Juan Carlos Ferrero in the fourth round, and he will be ready for the hard-hitting Chilean who is the biggest surprise in the quarters. Federer will expose Gonzo's suspect movement and take him apart.
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