Starace, seeded sixth, had little trouble in beating wild-card entrant Dawid Olejniczak 6-2, 6-3, while Korolev leveled Victor Hanescu 6-4, 6-2. Starace and Korolev will face off in the Round of 16.
Also Monday, Jiri Vanek topped Carlos Berlocq 1-6, 6-2, 7-6 (7-5); Marcos Daniel stopped Filippo Volandri 6-3, 6-4; and Florent Serra, who was leading 6-3, advanced when Guillermo Coria retired due to a left wrist injury.
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