page 84 of 960 of Sir Thomas Malory: Le Morte Darthur: The Definitive Original Text Edition

084:

The stag is killed by another knight who also kills two of the hounds. Not sure if these greyhounds are Gawayne’s? Anyway, he fights this knight and wins and is about to kill him but the knight begs for mercy. Gawayne is having none of it and the knight’s lady runs out to save her man and Gawayne accidentally cuts off her head.