41.   Rebeuh works for the International Tennis Federation and is not among the eight full-time chair umpires employed by the ATP Tour.

42.   A few moments later, he returned to the court and informed chair umpire John Restaino that he was unable to continue.

43.   A lineswoman behind the baseline heard the profanity and immediately trotted across the court to inform chair umpire Mike Morrissey, who issued the warning.

44.   A sizzling court prompted chair umpire Jane Harvey to allow a brief interruption in the middle of a game during the Hingis-Razzano match.

45.   After a long argument over a disputed call, the fiery Australian tossed a ball at the chair umpire.

46.   Agassi then had a prolonged discussion with chair umpire Dana Laconte, before playing listlessly the rest of the set.

47.   After a lengthy delay to treat Sanchez Vicario, chair umpire Joan Vornbaum called it deuce.

48.   After winning the fifth game of the second set, Williams walked over to the chair umpire and announced she could not continue.

49.   Agassi slammed his racket onto the table behind the chair umpire after hitting a set point into the net.

50.   Agassi stabbed the spot where he saw the ball land, then approached chair umpire John Frame.