Serena advances at U.S. Open

Flushing Meadows, NY (Sports Network) - American Serena Williams downed Marion Bartoli in straight sets to advance to the U.S. Open quarterfinals on Sunday.
The eighth-seeded Williams overcame a persistent thumb injury to top the 10th- seeded Frenchwoman 6-3, 6-4.
Williams will now move on to face the winner of a night match between No. 1 Justine Henin and No. 15 Dinara Safina.