I got approved with soft power route in Hong Kong consulate after a bunch of documents.

I provided:

-Gym confirmation (need 6 months of membership)

-Documents that indicated my current location(bank statement)

-6 months of bank statement for the 500000 money( you can provide 3 months in Hong Kong too)

Additional that the HK Consulate ask for:

-Valid HK stay permit (Landing Slip/Working Visa) + HKID( no need landing slip and visa if you a HKID holder)

- Muay Thai Courses that are eligible to apply for DTV Visa must (1) be a Muay Thai Course certified by the Thailand Board of Boxing Sport (2) be held by the similarly certified Muay Thai gym (I only provided Board of Boxing Sports from Ministry of Turism and Sports)

- the applicant must demonstrate detailed portfolio of Muay Thai past experience for no less than 6 months (I gave a kind of CV for them tell what did I do, my old gym agreement and some photo of me that I captured from IG video)

-School registration and ID of authorized person's signature

By the way, please congrats me, I'm hype now