Defending champion Andy Roddick advanced to the quarterfinals of the Brisbane International Wednesday, serving 15 aces to beat Alexandr Dolgopolov of Ukraine 6-4, 6-1. The second-seeded Roddick controlled the match with his powerful serve, landing 71 percent of his first serves and winning 87 percent of those points. His barrage of aces helped victims of devastating flooding in Australia's Queensland and New South Wales states after he pledged to donate $100 for every ace he serves at the Brisbane tournament. Samantha Stosur of Australia, the top-seeded women's player, made the same pledge but was eliminated in the second round. "A lot of the credit should go to Sam Stosur," Roddick said. "It was her initiative. She came up with the idea and I was happy to follow her lead." Read more: http://sports.espn.go.com/sports/tennis/news/story?id=5990419
