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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 

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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 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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