Easily best in election ultimately? Quite, it should end up in court (6,4)

I believe the answer is:

tennis ball

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'it should end up in court' is the definition.
The definition suggests a singular noun which matches the answer.

'easily best in election ultimately? quite' is the wordplay.
'easily' indicates anagramming the letters.
'ultimately?' suggests the final letters (I've seen 'ultimately' mean this).
'quite' becomes 'all' (I've seen this before).
The final letter of 'election' is 'n'.
'best'+'in'+'n'='bestinn'
'bestinn' with letters rearranged gives 'tennisb'.
'tennisb'+'all'='TENNIS BALL'

Can you help me to learn more?

(Other definitions for tennis ball that I've seen before include "Wimbledon equipment" , "Participant in rally" , "Item for Wimbledon game" , "Something hit by racquets" , "Item hit with rackets" .)

I've seen this clue in The Guardian.

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