Novak Djokovic and Rafael Nadal had a ridiculous 18-shot rally at the French Open

Novak Djokovic and Rafael Nadal are facing off in the quarterfinals of the French Open.

In the first set, with Djokovic leading 3-0 with a chance to break, the two exchanged a wild 18-shot rally that ended in a point for Djokovic.

Here's the full exchange (more below):

The rally began simple enough with several forehands and backhands back-and-forth until Djokovic attempted a drop shot that had Nadal racing to the net. Nadal returned it with a short shot far to Djokovic's right:

via ESPN 2

Djokovic returned it and sent Nadal scrambling backward. The two then continued the wild portion of an exchange chasing down long shots and returning high lobs, hoping to get back in position to play the shots:

via ESPN 2

Djokovic's defense eventually won out and he took the point to win the game and go up 4-0. He won the first set 7-5.