Hernández has a career high ATP singles ranking of World No.

He also has a career high ATP doubles ranking of World No.

At the 2022 Los Cabos Open he won his first round match against lucky loser Nicolás Barrientos becoming the first Mexican in the singles history of the tournament to win a match in the main draw.

Hernández played second seed Félix Auger-Aliassime in the next round and lost in straight sets.

This biographical article relating to Mexican tennis is a stub.