Stroll across to pick up the prize? (4,4)

I believe the answer is:

walk over

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'pick up the prize?' is the definition.
I know nothing about this answer so I cannot judge whether it can be defined by this definition.

'stroll across' is the wordplay.
'stroll' becomes 'walk' (I've seen this before).
'across' becomes 'over' ('over' can be a synonym of 'across').
'walk'+'over'='walkover'

'to' is the link.

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I've seen this clue in the Evening Standard.

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