The San Luis Open Challenger Tour is a professional tennis tournament played on outdoor red clay courts. It is currently part of the ATP Challenger Tour and the WTA Challenger Tour. It has been organized in San Luis Potosí, Mexico, since 1984 and was previously also held in 1980 and 1981 too. The women's edition started in 2023.
Fernando Vicente and Dick Norman holds the most singles title won, two.
Leonardo Lavalle established the record on doubles titles, with four wins. He partnered with a different player each of this time. He hold along with Miguel Ángel Reyes-Varela the record of consecutive victories, three.
Leonardo Lavalle, Dick Norman and Marcelo Arévalo were the only players to win both singles and doubles titles the same year.