Even without racquet in hand, Nishikori is problem-solver.

Serena's dominance, Novak's quest and top Olympic contenders highlight our preview.

It was over in a few seconds, but left a long-lasting impression on Murray.

Genie's guided tour of life at the Rio Olympics.

Grand Slam king is both inspiration and instructor to Dimitrov.

A meeting of legends takes place in the Olympic village.

Serena Williams seeded first in singles and doubles with sister Venus Williams.