In her quest for a 24th Grand Slam title, chair umpire Carlos Ramos gave her a warning after Patrick Mouratoglou gave her a hand signal.
Serena Williams tells chair umpire 'You owe me an apology' after warning for coaching
In her quest for a 24th Grand Slam title, chair umpire Carlos Ramos gave her a warning after Patrick Mouratoglou gave her a hand signal.
