CHENNAI, India, Jan. 6 (UPI) -- Russian Nikolay Davydenko was among Tuesday's first-round winners at the ATP World Tour's season-opening Chennai Open.
The top-seeded Davydenko beat Austrian Daniel Koellerer 6-2, 6-3. Wednesday, he will meet Czech Lukas Dlouhy.
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Italian qualifier Flavio Cipolla upset second-seeded Swiss Stanislas Wawrinka 6-4, 6-1.
Three other seeds avoided upsets, as No. 4 Croat Ivo Karlovic beat American qualifier Rajeev Ram 6-4, 6-3; No. 6 Spaniard Carlos Moya beat Thai qualifier Danai Udomchoke 6-3, 7-6 (7-4)' and No. 7 Serb Janko Tipsarevic beat Spaniard Pablo Andujar 6-3, 6-2.
Moya, former world No. 1, won this Indian event back-to-back in 2004 and 2005.