Steffi Graf holds the record for the highest win percentage in matches at WTA 1000 level tournaments, while Serena Williams and Iga Swiatek also feature in the top five of the list.

There are currently 10 WTA 1000 tournaments on the women’s tour, with this category of tournament replacing the Premier Mandatory and Premier 5 events in 2021.

Tournaments of this level were named Tier I events from 1990 to 2008 before changing to the Premier categories in 2009.