IT'S OFFICIAL!
SAVE THE DATE FOR THE 2022 COLORADO STATE OPEN

AT GATES TENNIS CENTER

FRI, SEPTEMBER 16 - SUN, SEPTEMBER 25, 2022

NEW! THE CSO IS NOW A UTR EVENT! READ MORE HERE.

OPEN-TO-THE PUBLIC SIGN-UP: MONDAY, JULY 25TH, 2022

prize money for every Winning division

See a breakdown of each division's prize money! This is a unique Colorado Tournament perk exclusive to the CSO 2022!

lEARN MORE ABOUT UTR

Universal Tennis Rating is the most accurate measure of your true skill level. Plus no membership fee required!

Want to sponsor cso 2022?

An opportunity for your business or organization to sponsor the largest and oldest tournament in Colorado. Start at just $500.

Meet the cso tournament director

Alex Dove is excited to join the CSO 2022 as the official Tournament Director. Meet him and learn more about his story below!