Two-time Wimbledon champion Roger Federer of Switzerland has extended his lead atop the men's world tennis rankings.

　　In the ATP entry rankings released Monday, Federer added to his advantage over number-two American Andy Roddick. Federer beat Roddick 4-6, 7-5, 7-6, 6-4 Sunday in the first Wimbledon final between the two top-seeded men since 1982.

　　French Open runner-up Guillermo Coria of Argentina remains third, followed by Carlos Moya of Spain and Britain's Tim Henman. Argentine David Nalbandian fell from fourth to sixth, while Juan Carlos Ferrero of Spain slid two spots to seventh.

　　Rainer Schuettler of Germany is number eight with Australian Lleyton Hewitt and American Andre Agassi rounding out the top-10.

　　In the women's rankings, Wimbledon tennis champion Maria Sharapova moved into the top 10 of the WTA Tour rankings for the first time Monday, moving up to number 8 in the world.

　　Sharapova was a career-best 15th before the start of the tournament, which she won by beating Serena Williams 6-1, 6-4 Saturday. Williams fell to number 14, her lowest spot since March 1999. She was number one as recently as August 4, 2003.

　　Despite skipping the grass court Grand Slam tournament with health problems, Belgians Justine Henin-Hardenne and Kim Clijsters remained at 1-2 in the rankings. Wimbledon semifinalist Amelie Mauresmo of France rose one spot to fourth, switching places with French Open champion Anastasia Myskina of Russia.

　　American Lindsay Davenport stayed at number 5, followed by Russian Elena Dementieva, American Jennifer Capriati, Sharapova, Svetlana Kuznetsova of Russia and Japan's Ai Sugiyama.

　　Jiri Novak of the Czech Republic began the defense of his Swiss Open tennis title (in Gstaad) with a 6-3, 6-3 win over Argentina's Jose Acasuso in the opening round of the clay court event.

　　With the victory Monday, the fourth-seeded Novak improved his record to 14-4 at this event. He is seeking his third Swiss Open title, after wins in 2001 and 2003.

　　Eighth-seeded Albert Costa of Spain defeated another Czech, Bohdan Ulirach, 6-4, 7-6.

　　In matches between unseeded players, Victor Hanescu of Romania topped Lars Burgsmuller of Germany, 7-6, 6-2, while Spaniard Albert Montanes beat Marco Chiudinelli of Switzerland, 6-7, 7-6, 6-4.

　　Some information for this report provided by AP.