AUSTRALIA - JANUARY 18: Elena Vesnina of Russia recovers after returning a ball to Maria Sharapova of Russia in a third round match on day five of the Australian Open tennis tournament in Melbourne, Australia, on Friday, Jan. 18, 2008. Top-seeded Justine Henin and defending champion Serena Williams advanced to the fourth round of the Australian Open tennis tournament today, as fourth-seeded Nikolay Davydenko became the first man to reach the last 16. (Photo by Carla Gottgens/Bloomberg via Getty Images)