Tennis - Oldest players to hold WTA world number one ranking

A list of the oldest women to be world number one after Serena Williams claimed the top spot aged 31.

Serena Williams (U.S) 31 years, 4 months, 24 days

Chris Evert (U.S) 30 years, 11 months, 3 days (Nov 1985)

Martina Navratilova (U.S) 30 years, 9 months, 29 days (Aug 1987)

Lindsay Davenport (U.S) 29 years, 7 months, 8 days (Jan 2006)

Serena Williams 29 years, 0 months, 14 days (Oct 2010)

Steffi Graf (Germany) 27 years, 9 months, 16 days (Mar 1997)