Career
Vermaak"s best result was reaching the semi-finals of the 1983 Wimbledon Championships, defeating Virginia Wade in the quarter-finals. In the final she defeated Sue Mappin in straight sets. Late in her playing career, Vermaak became an American citizen.
Vermaak played USTA Master"s tennis.
Singles 6 (4–2)
Doubles 7 (4–3).