The 26-year-old Kasidit, who held a three-shot lead heading into the final round, traded three birdies against one bogey to win by three shots on 12-under-par 276 total at the Templer Park Country Club.
Thailand's Pannakorn Uthaipas, who had led the first two rounds, matched Kasidit's efforts of a 70 to settle for second place at the $55,000 event.
Shariffuddin Ariffin emerged as the highest-placed Malaysian after marking his best round of the week with a 66. He grabbed a share of third place with Thailand's Nattawat Suvajanakorn and South African Mathaim Keyser, who returned with matching 69s.
Kasidit joined the play-for-pay ranks in 2015 and he has enjoyed a top-10 finish last month prior to his win.
Despite missing out on his second ADT title, Pannakorn's runner-up finish was enough to help him regain the lead on the Order of Merit as he added $6,794 to his tally for a current haul of $44,736.
He leads by over $2,685 from Masaru Takahashi of Japan, who was not in the field this week.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
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Doraiah Chowdary Vundavally is a Software engineer at VTech . He is the news editor of SocialNews.XYZ and Freelance writer-contributes Telugu and English Columns on Films, Politics, and Gossips. He is the primary contributor for South Cinema Section of SocialNews.XYZ. His mission is to help to develop SocialNews.XYZ into a News website that has no bias or judgement towards any.