She was then docked a point for a second violation after smashing her racket, followed by a penalty in which she lost a game because of "verbal abuse" of the chair umpire.
Ramos, who was selected Tuesday by the ITF to umpire Davis Cup semifinal matches this week between the United States and Croatia, has also received some support from major individual figures in the world of tennis.
Williams' rage appeared to be fuelled in part because she perceived this code violation as rarely enforced (and certainly not in grand slam finals).
An anonymous official told The Times that there was a growing consensus that umpires were not supported by the USTA on several occasions, and that Ramos was thrown to the wolves for simply doing his job.
One source, who has been privy to some of the discussions, said: "Umpires don't have any independent means of representation and are employed by the governing bodies".
Even the International Tennis Federation (ITF), which stood by the judges, waited 48 hours before announcing a position.
Voices in the tennis world have spoken out both in support and condemnation of US tennis champion Serena Williams after the angry outburst that cost her a game, and possibly the match, during her US Open final on Saturday.
Tennis umpires were disturbed by the incident between Serena Williams and umpire Carlos Ramos at the U.S. Open, and some are considering boycotting Williams' matches. Williams, clearly unhappy with the ruling, went on to berate Ramos for his judgment, repeatedly demanding that he apologize for branding her a cheater. In Ramos' defense, Adams said he was "following the code" but noted he could have issued a soft warning for coaching instead of a penalty off the bat.
GOP senators condemn 'vulgar' messages directed at Collins over Kavanaugh vote
She has previously voted against the Republican Party, most notably during the attempted repeal of the Affordable Care Act. If Collins opposes Kavanaugh, none of the donors will be charged for the money they pledged.
'It is understandable that this high profile and regrettable incident should provoke debate. Ramos need not have stuck so closely to the rule book as he did because his primary duty is to help players across choppy waters.
"I do not believe there is a formal boycott in place so I do not think we need to take any action in regards to a boycott", a spokesman for the U.S. Tennis Association told HuffPost on Wednesday. Williams' behaviour in the final has divided the fraternity.
Billie Jean King and Serena Williams in 2014.
The ugly incident reduced Osaka to tears, with NY fans launching into a continual chorus of boos after Williams demanded an apology from Ramos after he penalised her for being coached from the stands before branding him a "thief" for treating her differently to male players.
The Japanese woman also opened up about what she was thinking when Serena was melting down.
The fallout has been ugly since the final, with talk of some umpires refusing to officiate Williams' matches. If it happened in the men's match, it would not happen again.
Williams immediately demanded an apology from Ramos after being accused of breaking the rules.