EASTBOURNE, England, June 15 (UPI) -- Russian Dmitry Tursunov and American Sam Querrey were among Monday's first-round men's winners at the Aegon International tennis tournament.

LONDON, June 8 (UPI) -- Four-time champion Lleyton Hewitt and American Sam Querrey were among Monday's first-round winners at the $1 million Aegon Championships in London.

DELRAY BEACH, Fla., Feb. 23 (UPI) -- American Sam Querrey was a first-round winner at the Delray Beach International Tennis Championships Monday, beating Argentine Guillermo Canas 7-6 (7-3), 6-4.

MEMPHIS, Feb. 18 (UPI) -- Second-seeded Argentine Juan Martin del Potro moved Tuesday into the second round at the $1.23 million Regions Morgan Keegan Championships.

MOSCOW, Oct. 7 (UPI) -- Two-time defending champion Nikolay Davydenko and two-time major winner Marat Safin advanced Tuesday's at the $1 million ATP Kremlin Cup.

MOSCOW, Oct. 6 (UPI) -- Second-seeded Russian Igor Andreev led Monday's opening-round men's draw winners at the $1.049 million ATP Kremlin Cup.

GSTAAD, Switzerland, July 12 (UPI) -- Unseeded Romanian Victor Hanescu upset top-seeded Stanislas Wawrinka 6-3, 3-6, 6-4 Saturday in the semifinals of the Swiss Open.

GSTAAD, Switzerland, July 11 (UPI) -- Switzerland's top-seeded Stanislas Wawrinka made it to the semifinals but No. 3 Mikhail Youzhny was toppled Friday in the Swiss Open clay-court tournament.

CASABLANCA, Morocco, May 19 (UPI) -- Top-seeded Frenchmen Jo-Wilfried Tsonga and Gael Monfils were first-round winners Monday at the Grand Prix Hassan II in Casablanca, Morocco.