San Diego Challenger

The San Diego Challenger, known as the Tennis Warehouse Open for sponsorship reasons, is a professional tennis tournament played on hardcourts. It is currently part of the ATP Challenger Tour. It was first held in San Diego, California, United States in 2026.

Past finals Singles YearChampionRunner-upScore 2026 Nishesh Basavareddy Igor Marcondes 7–5, 6–4

Doubles YearChampionsRunners-upScore 2026 Stian Klaassen Christopher Papa Vignesh Gogineni Noah Zamora 7–6(8–6), 5–7, [10–3]