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Fourth Round
Rafael Nadal(1) def. David Nalbandian(14) 3-6, 7-6 (7-5), 6-0
Roger Federer(2) def. Fernando Gonzalez(17) 6-3, 5-7, 6-2
Novak Djokovic(3) def. Stanislas Wawrinka(16) 7-6 (9-7), 7-6 (8-6)
Andy Murray(4) def. Tommy Robredo(15), 6-2, 3-0 retired
Juan Martin Del Potro(6) def. John Isner 7-6 (7-4), 7-6 (7-3)
Andy Roddick(7) def. David Ferrer(12) 7-6 (7-5), 3-6, 6-3
Fernando Verdasco(10) def. Philipp Kohlschreiber 6-4, 3-6, 6-1
Ivan Ljubicic def. Igor Andreev(22) 4-6, 7-6 (7-5), 7-6 (7-4)
Quarterfinals
Victoria Azarenka(8) def. Dinara Safina(1) 6-7 (4-7), 6-1, 6-3
Vera Zvonareva(4) def. Caroline Wozniacki(9), 6-4, 6-2
