Andy Roddick's body finally gave up on him when he limped out of the Shanghai Masters after retiring in the first set of his second-round match against Swiss Stanislas Wawrinka on Tuesday. The 27-year-old fourth seed, who launched a scathing attack on the gruelling tour schedule Monday, was 4-3 up and looking to convert a break point when he pulled up short chasing a Wawrinka backhand. The American, who retired with a injured shoulder in his only previous tour clash with the Swiss, also lost the first match of his title defence in Beijing last week. On Monday, he called for the ATP to allow the top players a break in the season or risk curtailing the careers of top players like Roger Federer and Andy Murray. Former world No. 1 Lleyton Hewitt cut big-serving American John Isner down to size with a 6-2, 6-4 victory in the first round of the $3.24 million event. Hewitt will play Gael Monfils who crushed fellow Frenchman Paul-Henri Mathieu 6-2, 6-2 in 54 minutes. Sixth seed Nikolay Davydenko was the first man to reach the third round when he comfortably beat fellow Russian Igor Kunitsyn 6-4, 6-2. Davydenko reached the final of the last version of the Masters Cup tour championship here last year and is in the running for one of the three spots still up for grabs at the new season finale in London. Chile's Fernando Gonzalez, currently in the eighth and final spot in the race to the World Tour Finals, will play Davydenko in the last 16 after beating Brazilian qualifier Thomaz Bellucci 6-3, 6-4. Swede Robin Soderling is another in the hunt for a place in London and the ninth seed helped his cause with a 6-3, 6-4 first-round win over Romanian Victor Hanescu. Wozniacki starts with win In Osaka, defending champion Caroline Wozniacki of Denmark launched her campaign in style beating Japan's Ayumi Morita in the first round of the Japan Open women's tennis tournament Tuesday. The 19-year-old Dane, ranked sixth after her runner-up finish at the US Open, saved two out of two break points while she won perfect three out of three break chances to score a 6-4, 6-1 victory. Former champion Jill Craybas of the US, whose only WTA title came in the 2002 Japan Open, edged past four-time champion Kimiko Date-Krumm 6-2, 2-6, 6-4 to silence the crowd. Marion Bartoli of France, the second seed and 2006 champion, outclassed Galina Voskoboeva of Kazakhstan 6-3, 7-5. In other action, Taiwan's Chang Kai-chen, who shocked then world No. 1 Dinara Safina of Russia in Tokyo two weeks ago, defeated Tamarine Tanasugarn of Thailand 7-5, 6-1. Japan's Kurumi Nara earned a place against Bartoli by beating Chanelle Scheepers of South Africa 7-6 (7/5), 4-6, 6-2, while third seed Samantha Stosur of Australia beat Alexandra Panova of Russia 6-2, 6-4. Navarro advances In Linz, fourth-seeded Carla Suarez Navarro eased past Katarina Srebotnik of Slovenia Monday in the first round of the Generali Ladies, a $220,000 WTA Tour event played indoors at the Intersport Arena. The 34th-ranked Spaniard had three breaks in the opening set and added four more in the second for a 6-2, 6-4 victory. Urszula Radwanska of Poland saved two set points in the opening set before defeating Yvonne Meusburger of Austria 7-6 (6), 6-1. Earlier Monday, Petra Kvitova of the Czech Republic beat Andrea Petkovic of Germany in straight sets 6-1, 6-4. Ioana Raluca Olaru of Romania also advanced after beating Lucie Hradecka of Czech Republic 6-2, 2-6, 6
