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Andre Agassi during the 1988 U.S. Open Tennis Tournament in Flushing,... Photo d'actualité - Getty Images
September 10, 1988! Steffi Graf wins the US Open Tennis Championships to complete the Calendar Grand Slam--> http://wtatenn.is/TUQnaI : ESPN Tennis | By WTA | Facebook
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West Germany Steffi Graf, 1988 Us Open Sports Illustrated Cover Poster by Sports Illustrated - Sports Illustrated Covers
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