Crossword Genius

Pitch, of course, can be sticky (6)

Ross

I believe the answer is:

wicket

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'pitch of course' is the definition.
The answer and definition can be both man-made objects as well as being singular nouns.
Maybe you can see an association between them that I don't see?

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for wicket that I've seen before include "may be secured by a catch" , "One of the 21 acrosses" , "that first-class delivery may take" , "Three stumps and two bails" , "Small door or gate" .)

I've seen this clue in the Evening Standard.
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