Also, Mario Ancic, the last player to defeat Roger Federer on grass in the opening round of Wimbledon in 2002, earned a comfortable 6-4, 6-4 win over Jan Hernych of the Czech Republic.
The young Croatian next plays 18-year-old Richard Gasquet of France, who ousted Britain's Jamie Delgado 6-4, 6-1.
Big-serving Max Mirnyi of Belarus set up a third round clash with former champion and top-seeded Lleyton Hewitt. Mirnyi topped Italy's Davide Sanguinetti 6-4, 6-3.
American wild card James Blake also advanced, overcoming Victor Hanescu of Romania 6-2, 6-4 to earn a meeting with Sebastien Grosjean of France.
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