The British winner of the 1991 Estoril Open  Men's Singles defeated Karel Novek. The defending champion of the 1983 Virginia Slims of Houston (Doubles) and that winner do not have the same nationality.
Kathryn "Kathy" Jordan (born December 3, 1959) is a former American tennis player. 
Sergi Bruguera i Torner (] ; born 16 January 1971) is a former professional tennis player from Catalonia, Spain. 
Kathy Jordan and Pam Shriver were the defending champions but only Shriver competed that year with Martina Navratilova. 
