See main article: article and 2022 San Diego Open.
Brandon Nakashima defeated Marcos Giron in the final, 6–4, 6–4 to win the singles tennis title at the 2022 San Diego Open. It was his first ATP Tour title, and he won it in his hometown of San Diego.[1]
Casper Ruud was the reigning champion,[2] but competed at the Laver Cup instead.
The top four seeds received a bye into the second round.