Portugal Open, Oeiras
From 1989 to 1990 tennis tournament in Oeiras was a part of WTA Tier V. From 1999 to 2008 the tournament was a part of WTA Tier IV. From 2009 to 2014 the tournament was a part of WTA International.
From 1989 to 1990 tennis tournament in Oeiras was a part of WTA Tier V. From 1999 to 2008 the tournament was a part of WTA Tier IV. From 2009 to 2014 the tournament was a part of WTA International.