Appearing on Australia's Sunday Project, Serena was just starting to open up to Lisa Wilkinson. Then one question left her stumped.
In a 20 year period from 1998 to 2018, the men have incurred nearly three times more separate code violations than their female counterparts.
The Herald Sun has defended cartoonist Mark Knight, after his illustration of Serena Williams was slammed for being "racist."
Writing for the New York Times, the 18-time Grand Slam champion wrote: "We cannot measure ourselves by what we think we should also be able to get away with."
"You owe me an apology," Williams told the chair umpire. "I have never cheated in my life!" Then Carlos Ramos handed down a devastating penalty.