It is actually the same
Sabaki Challenge Spirit = World Championship in Ashihara Karate
The "Sabaki Challenge Spirit" is the premier knockdown karate event for Ashihara Karate worldwide. The purpose is to have the annual opportunity to assemble the most exquisite fighters in the world from Ashihara Karate. To test themselves, the principles, and the theories inherent in Ashihara training so as to have the ability to test, re-evaluate, and improve themselves and Ashihara Karate as a whole.
Keep also an eye on this site ( for the moment under reconstruction )