Perhaps it’s a better Idea to get a student visa and study thai or muay thai for a year and then get the DTV. But only do that if you really will attend classes.
The ask:thailand community, consisting of multiple Q/A groups with over 100,000 members, powers this platform. It is not an official government resource. Our members actively contribute to this resource, and while we strive for accuracy, we cannot guarantee its complete reliability. Assistance to travelers is provided as a community service.