As Rob has said above it’s much better to get an education visa to study Thai language and spend a couple of hours each week doing that. The gyms that provide education visas are not the best. If you want the best Muay Thai training go to a proper Thai gym and not a tourist gym.
yeah we used the same to. First two times got rejected for not providing sufficient documents but then got it the third time. Had to answer the questions in a ‘certain’ way