Claim: Monica Seles won nine Grand Slam singles titles, all after the year 2000.
Evidence: List of WTA number 1 ranked players	International Tennis Hall of Fame	International Tennis Hall of Fame
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She became a naturalized American citizen in 1994 and also received Hungarian citizenship in June 2007.
She won nine Grand Slam singles titles , eight of them while a citizen of Yugoslavia and the final as a citizen of the United States of America.