Davydenko, Monaco, Garnollers, Korolev advance

Updated: June 11, 2008, 2:27 PM ET
Associated Press

WARSAW, Poland -- Top-seeded Nikolay Davydenko rallied past Jiri Vanek 4-6, 7-5, 6-1 on Wednesday to reach the quarterfinals of the Warsaw Open.

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Davydenko, who won in 2006, broke Vanek's serve five times and will face fellow Russian Evgeny Korolev, who advanced when Potito Starace retired with a headache while trailing 7-5, 4-0.

Third-seeded Juan Monaco also advanced by topping Florent Serra 7-5, 6-3, and Marcel Granollers defeated Marcos Daniel 6-2, 6-4.

Copyright 2008 by The Associated Press