On July 19 , 2009 , Cink won his first major title at the 138th Open Championship at Turnberry , Scotland , defeating 59 year-old Tom Watson by six strokes in a four-hole playoff . On July 19 , 2009 , Cink won his first major title at the 138th Open Championship at Turnberry , Scotland , defeating 59 year-old , five-time champion Tom Watson by six strokes in a four-hole playoff .