Both the men's and the women's top seeds are in action as the U.S. Open tennis championship advances to the third round of singles matches on Saturday in Flushing Meadows, New York.
Novak Djokovic, the top-ranked men's player, faces unseeded Nikolay Davydenko, while women's 1-seed Caroline Wozniacki takes on Vania King, who is also unseeded.
Roger Federer (3) takes on Marin Cilic (27) on the men's side, while on the women's, Serena Williams (28) faces Victoria Azarenka (4).
Men's, women's and mixed doubles matches will also take place on Day 6 of action in this two-week tournament.
Here is your complete Saturday schedule of all the action.
In action on Friday, Maria Sharapova was upset by Flavia Pennetta and is out of the running for a singles' crown. Sharapova, the 2006 champion of this tournament, fell to the 26th-seeded Pennetta in three sets, ending her string of 12 straight victories in 2011 in three-set matches, including an opening-round win earlier in the week.
As the fields thin out in both singles and doubles, look for more in-depth coverage of "marquee" players and how they fare as we march (or volley) our way to the September 11 finale of action.