all I can say is I have been in contact with the Thai embassy and have been told you can enter twice anymore you will need to get a visa before you enter for the 3rd time .
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.