Original sentence: 1968  Kitzbühel   Annette Van Zyl  Erzsebet Polgar  6-1, 6-0.In the Open Era, six locations hosted the event: Kitzbühel, 1968–1977, 1979–1983, 1990–1993; Vienna, 1978, 2001-2004; Bregenz, 1985–1986; Styria, 1994; Maria Lankowitz, 1995–1998; Pörtschach, 1999; Klagenfurt, 2000
Edited sentence: 1968  Pörtschach   Winnie Shaw  Elena Subirats  6-1, 7-5.In the Open Era, six locations hosted the event: Pörtschach, 1968, 1999; Kitzbühel, 1969–1977, 1979–1983, 1990–1993; Vienna, 1978, 2001-2004; Bregenz, 1985–1986; Styria, 1994; Maria Lankowitz, 1995–1998; Klagenfurt, 2000