"If the self-appointed censors of Mark Knight get their way on his Serena Williams cartoon, our new politically correct life will be very tiresome indeed", another passage from the cover reads.
The cartoonist suspended his own Twitter account early this week due to abuse and threats toward him and his family as a result of the cartoon.
But the cartoon keeps bringing criticism, most notably online. "The world has just gone insane", he added.
The International Tennis Federation supported Ramos in a statement released Monday, saying that his decisions were "in accordance with the relevant rules and were re-affirmed by the US Open's decision to fine Serena Williams for the three offenses". Williams then yelled at him and said she didn't cheat.
"It is understandable that this high profile and regrettable incident should provoke debate".
"Don't you worry about me!" he added.
"I think it's disgusting".
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"I'm fine, given the circumstances", he said.
But some said the controversy had gone too far.
"We're here to play; Carlos is here to umpire; and we don't expect anything out of the ordinary", Courier said. "Some of them very, very amusing".
"I don't think I even thought about feeling sad because there's no experience for me to draw on in any other Grand Slam final", she added.
Williams' defeat came after she was issued a code violation for receiving coaching, a common practice in the sport.
In response many tennis commentators called his ruling sexist, noting that male players insult umpires, including Santos, on a routine basis without the punishment of losing games.
In the cartoon, Williams is jumping up and down as the umpire asks Osaka, "Can you just let her win?"
She also criticised the depiction of Osaka as a "faceless prop" in the background of the image.
The cartoon depicts an enraged Williams with dramatically oversized red lips, a hulking physique and hair sticking straight up, in what critics from J.K. Rowling to the National Association of Black Journalists say mirrors racist portrayals of black women during the early 1900s.