Top-seeded Rafael Nadal lost to Andreas Seppi 3-6,6-3, 6-4 Thursday at the ABN Amro.
Nadal, the three-time French Open champion ranked No. 2 in the world, saved two match points in the eighth game of the third, broke then held serve. But Seppi, playing on his 24th birthday, closed the match by holding at love.
"I had booked a flight for Wednesday night and had to change it," said Seppi, who saved a match point in beating Lleyton Hewitt in the previous round and next faces Robin Soderlng. "After this win, I'll wait until rebooking my flight home."
No. 2 seed Nikolay Davydenko, No. 3 David Ferrer and No. 5 Tomas Berdych also lost, leaving the event without seeded players. It is only the third time since 2000 no seeded players are in the quarterfinals of an ATP event, including. 2006 in Nottingham, England, and 2002 in Buenos Aires.
QATAR OPEN: Australian Openchampion Maria Sharapova reached the quarters in Doha while Venus Williams lost. Sharapova, who beat Tamarine Tanasugarn 6-2, 6-2, faces Caroline Wozniakci. Williams was broken twice in both sets in losing 6-3, 6-3 to 18-year-old Dominika Cibulkova. And Ana Ivanovic, an Australian Open finalist, withdrew after twisting her left ankle late in Wednesday's win. Her status for next week's Dubai Championships has not been determined.
Commissioners to talkto congressional panel
The commissioners of the four major sports are among those scheduled to testify at a congressional hearing Wednesday. Gary Bettman (NHL), Roger Goodell (NFL), Bud Selig (MLB) and David Stern (NBA) will speak before the House Subcommittee on Commerce, Trade and Consumer Protection, which is separate from the panel that heard from Roger Clemens last week.
Also there will be union executive directors - Donald Fehr (MLB), Billy Hunter (NBA), Paul Kelly (NHL) and Gene Upshaw (NFL) - U.S. Olympic Committee CEO Jim Scherr, U.S. Anti-Doping Agency CEO Travis Tygart, NCAA president Myles Brand and a representative from the high school and horse racing federations.
Olympic course tamesWorld Cup's leader
World Cup leader Bode Miller missed a gate and failed to finish a super giant slalom in Whistler, British Columbia, site of the 2010 Olympic competition. Austria's Christoph Gruber won in 1:26.6, .03 faster than countryman Hannes Reichelt.
European leaders seekto control betting
Europe's governing body met with leaders of the continent's betting industry in Nyon, Switzerland, in an effort to improve monitoring of suspicious bets, including an early warning system. An investigation into July's game between Bulgaria's Cherno More and Macedonia's Makedonija is ongoing.
Premier League: Citing disruptions and possible effects on the nation's bid to host the 2018 World Cup, England's governing body said it opposes regular-season games outside of Britain. But it added it is open to proposals.
boxing: IBF champ Wladimir Klitschko weighed in at 238 pounds to 219 for WBO champ Sultan Ibragimov for Saturday's fight, the first heavyweight unification bout since 1999.
Track: World record holder Asafa Powell opened his season by winning the 100 meters at the Melbourne Grand Prix in Australia. The Jamaican, who missed a meet after cutting his knee in a home accident, finished in 10.04, well shy of his record of 9.74 but 7 feet ahead of the nearest runner.