Earlier today, Samantha Stosur claimed her first ever US Open championship by beating Serena Williams in straight sets.
During the second set, Serena not being pleased with a shot shouted "C'Mon" before the ball landed. The chair umpire Eva Asderaki claimed that the shout hindered Stosur attempt at the point and gave her the set.
When the change-over occurred Serena decided to give Eva a piece of her mind:
(Courtesy of Image CPR)