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Wednesday, May 2, 2012
David Nalbandian, Andreas Seppi win

Associated Press

BELGRADE, Serbia -- Seeded players Andreas Seppi, David Nalbandian and Gilles Muller all won in straight sets Wednesday to advance to the quarterfinals of the Serbia Open.

The second-seeded Seppi defeated Ivan Dodig of Croatia 6-4, 6-4, No. 4 Nalbandian beat qualifier Aljaz Bedene 6-4, 6-3 and No. 8 Muller downed Eduardo Schwank 6-3, 7-6 (0).

Joao Souza from Brazil also advanced after wild card Dusan Lajovic retired because of an ankle injury.

Top-seeded Pablo Andujar will face Filippo Volandri on Thursday.

Last year's champion, top-ranked Novak Djokovic, has pulled out of the tournament that is organized by his family.