Andy Murray also commits to next month's event.
New documentary reveals Federer's thoughts on evolution into Grand Slam king.
Nick Kyrgios kicks off all-star partnership.
The Romanian is setting her sights on winning glory for her country.
The 31-year-old World No.360 shocked Hyeon Chung in opening-round action at the ASB Classic.
Usual targets feel the Bern.
The Swiss breaks down in an interview with CNN's Christine Macfarlane.