Tuesday begins play at the year-ending WTA Championships in Los Angeles, with Sundays draw placing two current or former No. 1s evenly in each of the round robin groups.
The Green Group is comprised of world No. 1
Lindsay Davenport, former No. 1
Maria Sharapova, Swiss
Patty Schnyder and Russian
Nadia Petrova. The Black Group consists of former No. 1s
Kim Clijsters and
Amelie Mauresmo, France's
Mary Pierce and Russian
Elena Dementieva.
Round robin play will commence Tuesday through Friday, with the top two players from each group advancing to the Saturday semifinals.
The doubles event, featuring the top four year-end teams, begins with the semifinals on Saturday with
Lisa Raymond and Sam Stosur, Conchita Martinez and
Virginia Ruano Pascual,
Cara Black and Rennae Stubbs, and
Elena Likhovtseva and
Vera Zvonareva.