The WTA said Williams and U.S. Open champion Naomi Osaka both have "great integrity".
The 36-year-old was controversially hit with three code violations during the freakish final, as she was docked for coaching, conduct and verbal abuse violations.
Under fire from Williams, the umpire handed her the game penalty advancing the score to 5-3 in Osaka's favor and leaving the American serving to stay in the match.
Afterwards, Williams said Ramos had never taken a game from a man for calling him a thief and referenced Alize Cornet being given a code violation for changing her shirt on court earlier in the tournament as an another example of double standards within the game.
The video contrasts shots of Williams taking the court at Flushing Meadows this week with those of her in a hospital bed, cuddling her baby daughter.
"I have nothing to lose", added Williams, who can join Australians Court, Evonne Goolagong and Belgian Kim Clijsters as the only mothers to win a Grand Slam singles title.
Normally chair umpires are introduced and receive a gift, but Ramos wasn't brought out. The one time Osaka did get broken, to trail 3-1 in the second set, she broke back immediately, prompting Williams to smash her racket. She unwrapped a new racket and then took the court to argue again some more about coaching.
Naomi Osaka hugs Serena Williams after winning the women's singles final.
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"You owe me an apology", Williams said.
Osaka said: "She beat me 6-0 until I was 15, and then, I don't know what happened, but one day I beat her 6-2".
It was no real surprise to see Williams blitz Anastasija Sevastova 6-3 6-0 to reach her 31st slam final but Osaka's clash with Keys was a much more hard match to predict. "I can't sit here and say I wouldn't say he's a thief because I thought he took a game from me". Osaka won 6-3, 6-2, but both players know there's not much to take from the match given the timing.
Osaka sealed her first major with a thumping serve out wide. I felt like, Wow, this isnt how I felt when I won my first Grand Slam. As the New York Times noted, Osaka was born in Japan and has Japanese citizenship, but grew up mostly in the United States as she trained for her tennis career.
Tournament officials have yet to comment.
"'Naomi is a deserving champion and Serena at all times plays with class and makes us proud".
That's not the only record in Williams's sights on Saturday.
Williams suffered life-threatening complications after the birth on September 1 of previous year, requiring four surgeries to deal with blood clots. The piece has become more than just functional, however.
The 36-year-old is back in the final in NY for the first time in four years and one step away, as she was at Wimbledon, from equalling Margaret Court's all-time record for slam singles titles.