MELBOURNE (Agencies) - Defending men's champion Roger Federer and top-seeded woman Caroline Wozniacki will highlight the first day's play of the Australian Open on Monday. The opening day schedule was released Saturday, with 2008 winner Maria Sharapova to play Thailand's Tamarine Tanasugarn and Wozniacki to face Gisela Dulko of Argentina. Defending champion and second-seeded Federer will play Lukas Lacko of Slovakia. Third-seeded Novak Djokovic, the 2008 champion, takes on Spain's Marcel Granollers, while American Andy Roddick plays Jan Hajek of the Czech Republic. Venus Williams will meet Sara Errani, and seven-time Grand Slam champion Justine Henin has been draw to play a qualifier.