Serena Williams attends the Vera Wang Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on Sept. 13, 2011 in New York City.

*Serena Williams says her emotions got the best of her when she berated the chair umpire during her loss to Samantha Stosur in the U.S. Open final.

“My emotions did get the best of me this past weekend when I disagreed with the umpire,” Williams tweeted today. “It has been a long road to get back to the US Open this year, and I am thankful to have had such a great two weeks in New York.”

Williams’ tweet came two days after she was cited for a code violation and fined $2,000 for verbally abusing chair umpire Eva Asderaki.

Facing a break point while serving in the first game of the second set Sunday night, Williams hit a forehand that she celebrated with a yell of “Come on!”

Asderaki applied the hindrance rule, noting the scream came while Stosur reached out and got a racket on the ball. Asderaki awarded the point to Stosur.

And Serena went off.

She hurled a series of insults directed at the official, reminiscent of her tirade on the same court when she berated and brandished her racket at a line judge who called a foot fault in the 2009 semifinal against Kim Clijsters.

A sampling of what Williams said, prompting Asderaki to call the code violation:

• “You’re out of control.”

• “You’re a hater, and you’re just unattractive inside.”

• “Really, don’t even look at me.”

The United States Tennis Association said Grand Slam committee director Bill Babcock conducted his own review of the incident and determined “Williams’ conduct, while verbally abusive, does not rise to the level of a major offense under the Grand Slam Code of Conduct.”

Stosur stunned Williams 6-2, 6-3 Sunday, winning her first Grand Slam title. She became the first Australian woman to win a major championship since Evonne Goolagong Cawley at Wimbledon in 1980.