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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

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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!

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lEARN MORE ABOUT UTR

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

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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.

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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!