Then came Sir Galahad, and the King with the Hundred Knights with him; and this Sir Galahad proffered to fight with Sir Tristram hand for hand. And so they made them ready to go unto battle on horseback with great courage. Then Sir Galahad and Sir Tristram met together so hard that either bare other down, horse and all, to the earth. And then they avoided their horses as noble knights, and dressed their shields, and drew their swords with ire and rancour, and they lashed together many sad strokes, and one while striking, another while foining, tracing and traversing as noble knights; thus they fought long, near half a day, and either were sore wounded. At the last Sir Tristram waxed light and big, and doubled his strokes, and drove Sir Galahad aback on the one side and on the other, so that he was like to have been slain.

Malory's Le Morte d;Arthur