: For the 2025 edition, the total prize pool exceeded $1.06 million , with the singles winner taking home approximately $164,000 . WTA US Open Tune-Ups in Cleveland, Monterrey
: The singles champion earns 500 WTA ranking points . WTA Monterrey
: Features a 28-player singles main draw and a 16-team doubles draw. : For the 2025 edition, the total prize pool exceeded $1
The event serves as a critical hard-court "tune-up" for the , as it is strategically scheduled for the week immediately preceding the final Grand Slam of the year. Venue : Played on outdoor hard courts at the Club Sonoma . : For the 2025 edition