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.
Julie Heldman Julie Heldman (born December 8, 1945) is a retired American tennis player who won 22 professional tennis titles. In 1969 she was ranked World No. 5, her highest career world ranking, and No. 2 in the U.S.