Rugby action represented by striking battle (9)

I believe the answer is:

agincourt

(Other definitions for agincourt that I've seen before include "1415 battle in the Pas-de-Calais" , "Fourteen fifteen English victory" , "English victory in 1415" , "Battle in Hundred Years' War" , "where Henry met Constable" .)

I've seen this clue in The Times.

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