HOPMAN CUP Perth Arena,   January 3-9 Prizemoney: $1 million Drawcards: Serena Williams, Andy Murray, Lleyton Hewitt, Nick Kyrgios, Gael Monfils, Sabine Lisicki, Daria Gavrilova.
2015 champions: Poland (Agnieszka Radwanska and Jerzy Janowicz). Format: mixed teams' round robin and finals (men's singles, women's singles, mixed doubles). 
BRISBANE INTERNATIONAL Queensland Tennis Centre,   January 3-10 Prizemoney: $2.07 million Drawcards: Roger Federer, Bernard Tomic, Sam Groth, Kei Nishikori, Marin Cilic, Maria Sharapova, Simona Halep, Garbine Muguruza, Angelique Kerber, Victoria Azarenka, Samantha Stosur.
2015 champions: Roger Federer and Maria Sharapova.
Format: men's and women's singles and doubles.
SYDNEY INTERNATIONAL Olympic Park,   January 10-16 Prizemoney: $1.4 million Drawcards: Bernard Tomic, Alexandr Dolgopolov, Tommy Robredo, Simona Halep, Samantha Stosur, Agnieszka Radwanska, Petra Kvitova, Lucie Safarova, Angelique Kerber, 2015 champions: Viktor Troicki and Petra Kvitova.
Format: men's and women's singles and doubles.
HOBART INTERNATIONAL Domain Tennis Centre,   January 10-16 Prizemoney: $345,000 Drawcards: Sloane Stephens, Dominika Cibulkova, Johanna Konta, Eugenie Bouchard, Heather Watson.
2015 champion: Heather Watson. Format: women's singles and doubles.
WORLD TENNIS CHALLENGE Memorial Drive, Adelaide,   January 12-14 Drawcards: Marin Cilic, Fernando Verdasco, Mark Philippoussis, Mats Wilander, Goran Ivanisevic, Arantxa Sanchez Vicario, Marion Bartoli, Iva Majoli.
Format: mixed teams' exhibition (men's and women's singles, mixed doubles).
KOOYONG CLASSIC Kooyong Stadium,   January 12-15 Drawcards: Nick Kyrgios, Gilles Simon, Feliciano Lopez, David Goffin, Marcos Baghdatis.
2015 champion: Fernando Verdasco.
Format: men's exhibition singles.
AUSTRALIAN OPEN Melbourne Park,   January 18-31 Prizemoney: $43.74 million Drawcards: Novak Djokovic, Andy Murray, Roger Federer, Stanislas Wawrinka, Rafael Nadal, Bernard Tomic, Nick Kyrgios, Lleyton Hewitt, Serena Williams, Simona Halep, Garbine Muguruza, Maria Sharapova, Agnieszka Radwanska, Petra Kvitova, Venus Williams, Lucie Safarova, Samantha Stosur.
2015 champions: Novak Djokovic and Serena Williams.Format: men's singles and doubles, women's singles and doubles, mixed doubles.