Steffi , 1993 US Open singles tennis champion (4)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
graf
(Other definitions for graf that I've seen before include "German tennis player, b. 1969" , "Steffi --, tennis player" , "German count - German tennis player" , "Seven-times women's Wimbledon champion, b. 1969" , "Steffi --, tennis champion" .)