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CSO 2025 Dates
September 5-14

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2025 CSO Prize money
 

CSO 2025 will have prize money for the Open Divisions 

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 2025?

An opportunity for your business or organization to sponsor the largest and oldest tournament in Colorado. Start at just $100.

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Meet the cso tournament director

Alex Dove is excited to be back as the Tournament Director for the the 2025 CSO. Meet him and learn more about his story below! 

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