Arthur , 1975 Wimbledon singles tennis champion (4)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
ashe
(Other definitions for ashe that I've seen before include "Former tennis star" , "Sporting champion once" , "tennis champ" , "US tennis player Arthur, 1975 Wimbledon champion" , "Ex-Wimbledon champ" .)