Roger Federer and Tomas Berdych play tennis on a boat in Prague.
Juan Martin del Potro plays first match this week in Florida.
Angelique Kerber could reclaim No. 1 in Dubai this week.
The Swiss maestro gets into the rarefied air with his Aussie Open trophy.
The Spanish-Croatian duo upset the top seeds in the semis.
Former No. 1, previously engaged to golfer Rory McIlroy, finds romance with hoops star.
Sunshine on the beach.
