Pacharachutha successfully defended her title by sinking seven birdies against a lone bogey on the 17th for a nine under-par 207 – just enough to clinch the Bt71,900 winner’s cheque.
LPGA player Junthima signed off with an eight under-par 208 to take second place in the 76-player tournament and prize money of Bt49,900.
Sixteen-year-old Suppamas Saengjan from Sukhothai finished as top amateur with a total of 212, which placed her joint fifth overall along with Walailuk Sartluk and Jaruporn Palakawong na Ayuddhaya.