Carl Chang, is the older brother and former coach of which tennis star, a now retired, American professional tennis player, that won 34 top-level professional singles titles?
Carl Chang (tennis) Carl Chang (born February 13, 1969) is the older brother and former coach of tennis star Michael Chang. He was born in Hoboken, New Jersey.
2003 US Open – Men's Singles Pete Sampras was the reigning champion, but he retired from professional tennis in August of that year.