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The Proving Grounds Submission Only Grappling Tournament was designed to allow BJJ and Submission Grappling players a venue to test and showcase their skills in a safe and fair environment. It is our goal to be THE home of the best submission finishers on the planet.
05/04/2026
It’s that time. Come join in for Proving Grounds 30th event. As Washington State’s Longest Running Submission Only Tournament we would like to thank you all for your years of support.
Also as a reminder, women and girls sign up early so we can get you into brackets. At all ages, we will do our best to keep the girls in their own brackets separate from the boys.
03/09/2026
Click here to claim your Sponsored Listing.
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Telephone
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PO Box 47213
Seattle, WA
98146
