Try getting fit for game (4,5)
I believe the answer is:
test match
'game' is the definition.
(type of cricket game)
'try getting fit' is the wordplay.
'try' becomes 'test' (test is a kind of try).
'getting' is a charade indicator (letters next to each other).
'fit' becomes 'match' (as in matching objects fitting together).
'test'+'match'='TEST MATCH'
'for' is the link.
(Other definitions for test match that I've seen before include "Strike a light!" , "Cricket contest between countries, usually one of a series" , "International sports event" , "Lord's international?" , "International fixture" .)