Atthaya Thitikul won a thrilling NW Arkansas Championship at the Pinnacle Country Club in Rogers, Arkansas Sunday.Thitikul and Danielle Kang both ended the final round 17 under par. They advanced to a sudden death playoff. Atthaya Thitikul, age 19, is in her first year on the LPGA Tour. She won her first LPGA event in March.When she was 14, Thitikul became the youngest golfer in history to win a professional golf tournament, when she won the Ladies European Thailand Championship.Two former Razorbacks, Gaby Lopez and Alana Uriell, made the cut. Lopez finished 3 under par, tied for 64th place Uriell finished even, tied for 69th place.