Opponent fooled on odd occasions (3)

I believe the answer is:

foe

'opponent' is the definition.
(I know that foe is a type of opponent)

'fooled on odd occasions' is the wordplay.
'on odd occasions' indicates alternate letters (letters in odd-numbered positions).
The alternating letters of 'fooled' are 'FOE'.

(Other definitions for foe that I've seen before include "Someone opposing" , "friend never!" , "Opponent" , "Am archaic enemy" , "Antagonist" .)

I've seen this clue in The Times.

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