Davydenko beat Denmark's Kenneth Carlsen, 6-3, 6-4.
In the second round, runner-up Marcos Baghdatis of Cyprus, the third seed, beat Yeu-Tzuoo Wang of Taipei, 7-6 (7-4), 6-4. No. 4 Croat Mario Ancic topped Stefano Galvani of Italy, 6-3, 7-5; No. 5 Slovak Dominik Hrbaty beat Alexander Peya of Austria, 6-1, 2-6, 6-0 and unseeded Danai Udomchoke of Thailand was leading seventh-seeded Ivo Karlovic of Croatia, 6-2, 3-1, when Karlovic retired because of a knee injury.
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