CHEAT SHEET
TOP 10 RIGHT NOW
Amy Sancetta
A teenager from Georgia has upset her fourth rival at the U.S. Open on Sunday, becoming the youngest woman to advance to the quarterfinals since Serena Williams 10 years ago. The unseeded Melanie Oudin beat 13th-seeded Nadia Petrova in four sets. The 17-year-old has already blasted through former no. 1 Maria Sharapova and fourth-seeded Elena Dementieva in the tournament, dazzling the crowd with her ability to best older, more experienced rivals with her never-say-die game. Oudin will next face off against the 2004 champ Svetlana Kuznetsova or No. 9 Caroline Wozniacki of Denmark. “I know that I can compete with the best in the world now,” Oudin said after her win. “And I will know that forever.”