Tennis star Serena Williams received a record fine of $82,500 for her outburst at this year's US Open and could face suspension from the tournament if she has another major offense in the upcoming two years the Grand Slam committee said Monday.

On 9 November 2009, the Grand Slam Committee administrator determined Serena Williams had committed the grand slam major offence of aggravated behavior for her misconduct at the 2009 U.S.

Open, the committee said in a statement.

Williams is an 11-time Grand Slam singles champion and concluded the 2009 season at No. 1 in the Women's Tennis Association rankings.

The fine could be increased up to $175,000 if she is found committing another major offense according to Grand Slam administrator Bill Babcock's ruling.

U.S.