San Diego Open (tennis)

San Diego Open
Tournament information
Founded1971
LocationSan Diego, California,
United States
VenueOmni La Costa Resort & Spa (2004–2015)
Barnes Tennis Center (2021–present)
SurfaceHardcourt / Outdoor
Draw28S / 24SQ / 16D
WebsiteWebsite
Current champions (2026)
Men's singles Zachary Svajda
Women's singles Elvina Kalieva
Men's doubles Trey Hilderbrand
Mac Kiger
Women's doubles Kayla Cross
Alana Smith
ATP Tour
CategoryATP 250
(2021–2022)
ATP Challenger Tour
(2025–)
Prize money$160,000 (2025)
WTA Tour
CategoryWTA Tier I
(2004–2007)
WTA Premier
(2010–2013)
WTA 125K series
(2015)
WTA 500
(2022–2024)
ITF W100
(2026-)
Prize money$922,573 (2024)

The San Diego Open is an annual professional tennis tournament on the ATP Challenger Tour and ITF Womens Circuit, held in San Diego, California, at the Barnes Tennis Center. Since 2025, it is an ATP Challenger 100 event when the WTA 500 event was cancelled. Since 2026 it is also an ITF W100 tournament.