Premise: Monica Seles ( [ ˈsɛləs ] Szeles Mónika , Моника Селеш , Monika Seleš , [ ˈsɛlɛʃ ] , born December 2 , 1973 ) is a former Yugoslav world no. 1 professional tennis player and a member of the International Tennis Hall of Fame . 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 . In 1990 , Seles became the youngest-ever French Open champion at the age of 16 . She went on to win eight Grand Slam singles titles before her 20th birthday and was the year-end world no. 1 in 1991 and 1992 .
Hypothesis: Monica Seles was a tennis player.
Label: ENTAILMENT