Tennis great Arthur
I believe the answer is:
'tennis great arthur' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for ashe that I've seen before include "Sporting champion once" , "US tennis player Arthur, 1975 Wimbledon champion" , "Arthur, who came to court" , "US rallying champion" , "US court star" .)