Catherine ("Cathy") Tanvier (born 28 May 1965) is a former tennis player from France. She peaked at number 20 in 1984 and won one singles and nine doubles titles on the WTA Tour. In 1982, Tanvier became Wimbledon girls' singles champion after defeating first-seeded Helena Suková in the final in straight sets. Tanvier won one singles title on the WTA Tour, at the 1983 Freiburg Open clay court to... show more