Topic summary
WTA Tier I
Extracted from the Wikipedia article WTA Tier I tournaments.
The WTA Tier I tournaments were Women's Tennis Associationtennis elite tournaments held from 1990 until the end of the 2008 season. From 1988 to 1990, the different levels of WTA tournaments were referred to by the term 'Category', and there were 5 categories. Two of the Tier I tournaments, Indian Wells and Miami, were also joint events held simultaneously with the ATP TourMasters Series.