Like a great fighter looking to land a knockout punch, world champion Kim Yu Na enters the Grand Prix Final seeking to eliminate any doubt about who will win the gold medal at the Vancouver Olympics.

Kim is the prohibitive favorite in the elite field of six skaters vying for this year's crown in Tokyo starting Friday and is seeking her third GP Final title in four years.

Competition for the South Korean superstar comes in the form of 2007 world champion Miki Ando, 2009 world silver medalist Joannie Rochette of Canada, Russia's Alena Leonova, American Ashley Wagner, and Ando's compatriot Akiko Suzuki.