The World No.5 will channel some of her energy into helping children change their lives.
The Russian is one of a growing number of players to wear Lacoste and play with Tecnifibre.
Knee injury knocks former US Open champion out of Miami Open.
A familiar face has inspired Karen Khachanov's surge.
The Canadian is already benefitting from the presence of the Magician in his box.
The former Roland Garros Girls Singles champion is ready to make a big splash in Miami.
Two essential elements are key to 37-year-old Roger Federer's longevity.
