What was the outcome of the joust which takes place between sir griflet and the knight at the fountain?

In the joust between Sir Griflet and the knight at the fountain, Sir Griflet is ultimately defeated. The knight reveals himself to be Sir Lancelot, one of the most skilled knights of the Round Table. This encounter highlights Lancelot's prowess and sets the stage for Griflet's further adventures and growth as a knight. The defeat serves as a humbling experience for Griflet.