Retired tennis pro Kournikova (4)
I believe the answer is:
anna
'retired tennis pro kournikova' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for anna that I've seen before include "Girl - old Indian coin" , "-- Wintour, editor" , "- - and the King of 22" , "Old foreign coin" , "Former Indian coin; girl's name" .)