Troicki, seeded sixth, had four aces and didn't drop serve in a 6-4, 6-0 win over Ivan Navarro. Troicki lost only 12 points in eight service games.
Fifth-seeded Ivo Karlovic also won in two sets, eliminating Dusan Lajovic 7-6 (7-4), 6-4. Karlovic had 10 aces in the match.
Igor Andreev picked up ATP match victory No. 200 with his 6-3, 6-2 win over Blaz Kavcic.
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