Left in France? That's awkward! (6)
I believe the answer is:
gauche
This clue is a double definition.
'left in france?' is the first definition.
('left' in French)
'awkward' is the second definition.
(I've seen this in another clue)
'that's' is the link.
(Other definitions for gauche that I've seen before include "Awkward, inept" , "Clumsy, socially awkward (6)" , "Tactless - blundering" , "Clumsy and inept" , "left for Paris" .)