What are the chances of getting a 30-day extension for a tourist visa at Koh Phangan after a border run?

The user is inquiring about the likelihood of obtaining a 30-day extension for a tourist visa at the Koh Phangan immigration office following their re-entry to Thailand via a border run. Responses indicate that the approval chances may vary based on individual circumstances, history of visa use, and the immigration officer’s discretion. There's a consensus that a record of recent border runs and the intent of staying longer than allowed could negatively impact the extension request.