A broken-hearted Wimbledon champion had to annul (8)

I believe the answer is:

abrogate

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'annul' is the definition.
(I've seen this in another clue)

'a broken-hearted wimbledon champion had' is the wordplay.
'broken hearted wimbledon champion' becomes 'brog' (I am not sure about this - if you are sure you should believe this answer much more).
'had' becomes 'ate' ('have' can mean 'eat').
'a'+'brog'+'ate'='ABROGATE'

'to' acts as a link.

Can you help me to learn more?

(Other definitions for abrogate that I've seen before include "Get a boar to annul" , "Annul - to a barge (anag)" , "Formally cancel (an agreement)" , "Cancel or repeal, say a law" , "stop" .)

I've seen this clue in The Independent.

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