Originally Posted by sbengte
FWIW , here is the official word from the ATP rulebook :
O. Toilet Break
1) A player may be permitted to leave the court for a toilet break. A player is entitled to one (1) toilet break during a best of three set match and two (2) toilet breaks during a best of five set match. Toilet breaks should be taken on a set break and can be used for no other purpose.
Interesting that the *******, didn't even mention the Nadal's rule violation.