Played a first shot that was adequate (6)

I believe the answer is:

served

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

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(Other definitions for served that I've seen before include "Dished up" , "In tennis, put the ball in play, or attended to customers" , "Struck opening ball in tennis game" , "Versed (anag)" , "Started a game of tennis" .)

I've seen this clue in the Evening Standard.

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