Knight's portrayal of Osaka as blond and light-skinned also drew criticism for being racist.
Thereafter, Serena called Ramos a "liar" and a "thief" alleging, "you stole a point on me".
Williams became angry after the chief umpire gave her a warning, reprimanding her for receiving coaching.
Williams has won the Australian Open singles title seven times at Melbourne Park, including in 2017 when she was pregnant.
"I think it's disgusting".
It's entirely possible to be critical of Serena Williams' outburst and hold her accountable for her behavior without debasing her and crossing a line that many find offensive. The artist has strongly refuted such claims by saying that it has nothing to do with race, whereas Tweet floods in support of Williams, who was being victimized and portrayed in the cartoon by provoking racism.
After the match, Twitter users and tennis commentators alike said the penalties assessed to Williams were excessively harsh, and some said they may have reflected sexism and racism in tennis officiating.
'Personally, I am with you there.
"I can't undraw the cartoon".
Oh, and then there's the fact that they slaughtered the country's Indigenous population, tried to breed them out by stealing their children, and that whole chestnut.
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'So I don't see that and I think a lot of the anger has been exaggerated too in the debate'. "Mark Knight's a man of the greatest character-proud he's in our paper", said Herald Sun Sunday Editor Nick Papps.
'I drew her as she is.
The Herald Sun has also backed Knight in the face of worldwide criticism.
But Knight said his drawing wasn't meant to be racist and that it was inspired only by what he viewed as "poor behavior" displayed by Williams in the finals of the US Open this weekend.
"It had nothing to do with gender or race". "The world has just gone insane", he added. Poor behaviour in any sport needs to be called out, ' Mr Miller wrote on Twitter.
Knight said he's not a racist, but he may rethink what he depicts in future drawings, in part because of threats over the cartoon. "All he did was depict her in satirical manner", said Zanetti.
'She's interesting to draw.
The backlash was immediate, with people calling out the cartoon for being racist and employing stereotypes to dehumanize Williams.
The "Harry Potter" writer was just one of thousands who've taken to social media to condemn Knight's depiction of Williams at last weekend's U.S. Open final.
Rowling led widespread criticism of its Monday cartoon, saying it had reduced "one of the greatest sportswomen alive to racist and sexist tropes".