Portuguese chair umpire Carlos Ramos sent Williams into a rage when he handed the 23-time Grand Slam champion a code violation in the second game of the second set after he spotted Mouratoglou making hand signals from the player's box.
The reaction was split with some feeling as though Ramos was harsh on Williams, while others believed the 36-year-old's conduct was inexcusable.
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Serena Williams shouts at the umpire

Image credit: Getty Images

Social media was full of strong opinions and few half-measures...
(Roddick did then disagree with himself...)
Quite unbelievable.
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