Moya, winner of two tournaments this year, beat Elsner 6-4, 6-2.
"I felt very good and comfortable out there today," the Spaniard said. "It's good to come back as defending champion and I hope to win this title again."
Third seed David Nalbandian of Argentina eliminated American Todd Martin 6-2, 6-4.
"It wasn't an easy match; he's got a big serve but I returned well," Nalbandian said.
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