The 21-time major champion opted out of her first Hopman Cup assignment, but says she'll be ready for the next.
"Well, that will be amazing," Muguruza said of a mixed doubles partnership with king of clay.
Sharing the court with Sponge Bob, Patrick and Dora the Explorer, Federer goes giant size.
"I feel like if I keep pushing forward it might happen. If not, it’s OK," Federer said of Grand Slam pursuit
"That's why I'm here—to do better than last year," the world No. 1 told the media in Australia.
Kenny De Schepper replaces world No. 24 for Team France.
"I expect an improvement of my level of tennis and my level of competition," says world No. 5.
