Who has won more titles, Michael Chang or Ellis Ferreira?
Ellis Ferreira:  He won 2 Grand Slam doubles titles, the Men's title at the 2000 Australian Open with Rick Leach and the mixed doubles at the Australian Open with Corina Morariu in 2001. Michael Chang: Michael Te-Pei Chang (born February 22, 1972) is a retired American professional tennis player.
i don't know