Federer teaches, dances, plays soccer and meets the president.
Former No. 1 to play Estoril with Alex de Minaur next week.
Watch what happens when player and coach switch roles.
You don't need a pro ranking to play the pros at the US Open.
Grand Slam doubles champion expecting.
Former No. 1 aims to launch comeback with positive perspective.
The Russian has reunited with her former coach ahead of the Porsche Tennis Grand Prix.
