Michael Te-Pei Chang ( å 1\/4 å 3\/4 å ; Pinyin : ZhÄ ng DÃ pÃ i ; born February 22 , 1972 , in Hoboken , New Jersey , United States ) is an American former tennis player . Michael Te-Pei Chang ( ; born February 22 , 1972 , in Hoboken , New Jersey ) is a former American professional tennis player .