In 1592 A.D. during the reign of King Naresuan the Great, the Burmese led an army to try to subjugate Ayutthaya. King Naresuan resisted the invasion and fought on elephant back with the Burmese leader at the district of Nong Sarai in the province of Suphanburi, and was victorious.
On that occasion, King Naresuan's army was not able to inflict greater losses on the Burmese because many of his regiments did not come to reinforce him in time