The Swiss maestro says he'll decide in Madrid in about ten days.
The tournament beefed up its pay for those who lose in the second, third and fourth rounds the most.
The 38-year-old plans to be back by the beginning of 2017 at the very latest.
Fed Cup becomes a day at the beach in Brisbane.
Switzerland's Timea Bacsinszky opens against Barbora Strycova and defending champion Czech Republic.
Dominic Thiem didn't score the win but the 22-year-old Austrian made jaws drop with these two backhands.
When Roger Federer is on a roll, there aren't many ways to slow him down. Roberto Bautista Agut tried to do it in a creative way on Thursday in Monte-Carlo.
