The World No. 1 enters the Western and Southern Open after losing early in Rio.
Keep track of all the tennis action from Rio as men's round of 16 and women's quarterfinals take place on a busy Thursday.
See tennis stars as sports fans at the Rio Olympics.
When two players refuse to miss, a Rio rally becomes an adventure.
Team Santina calls it quits after a dry spell.
The World No. 1 is skipping the one Masters 1000 title that has eluded him all these years.
The action heats up on Tuesday with WTA Round of 16 and ATP second round action.
