Three-time defending men's champion Roger Federer of Switzerland has routed Tim Henman of Britain at the Wimbledon Tennis Championships in London, extending his record grass-court winning streak to 43 matches.

The top-seeded Federer won 11 straight games during one stretch Wednesday, on the way to a 6-4, 6-0, 6-2 win and a spot in the third round. In other men's second round matches, fourth-seeded David Nalbandian of Argentina beat Arnaud Clement of France, 6-4, 6-4, 6-3.

Number seven Mario Ancic of Croatia, eighth-seeded American James Blake, number 14 Radek Stepanek of the Czech Republic and 24th-seeded Spaniard Juan Carlos Ferrero also moved into the third round.

In men's first round play, third-seeded American Andy Roddick needed four sets to get past Serbia's Jan Tipsarevic (6-7, 6-4, 7-6, 6-2). Number five Ivan Ljubicic of Croatia and sixth-seeded Australian Lleyton Hewitt also won, but ninth-seeded Nikolay Davydenko of Russia became the highest seed to lose as he fell in four sets.

Defending women's champion Venus Williams of the United States, former winner Maria Sharapova of Russia and top-seeded Frenchwoman Amelie Mauresmo each needed less than an hour to win their first-round matches.

The sixth-seeded Williams crushed countrywoman Bethanie Mattek, 6-1, 6-0, number four Sharapova dispatched Israel's Anna Smashnova, 6-2 , 6-0, and Mauresmo shut out Croatian qualifier Ivana Abramovic, 6-0, 6-0.

Second-seeded Kim Clijsters of Belgian advanced in even less time, moving into the third round on a walkover after Ukrainian Viktoriya Kutuzova pulled out with a virus. She'll be joined there by countrywoman Justine Henin-Hardenne, who eased past Ekaterina Bychkova of Russia, 6-1, 6-2.

Other women's seeds moving into the third round included number five Svetlana Kuznetsova of Russia, 10th-seeded Nicole Vaidisova of the Czech Republic, number 12 Martina Hingis of Switzerland, 18th-seeded Ai Sugiyama of Japan, and Zheng Jie of China.

Seeded first round winners also included number seven Elena Dementieva and ninth-seeded Anastasia Myskina of Russia. But 11th-seeded Francesca Schiavone of Italy was upset by Britain's Melanie South.

Some information for this report was provided by AP.