The Houston tournament is a fan favorite on the ATP Tour, backed by rich history. (AP)

The U.S. Men's Clay Court Championship is a highlight of the season for many fans, and players, in the United States. Not only is it a rare chance for spectators to catch a glimpse of top pros playing on red clay courts in America, but the tournament also has a rich history dating back over a century, making it one of the oldest events on the ATP Tour.

This year, Cristian Garin and Casper Ruud are fighting it out in the final. Before a winner is decided, see how much you know about this tournament's past. From the most-title record holder to the first city that hosted the tournament, learn everything you can about this unique tour stop.