PGA Professional Jeff Coston won the 2021 Muckleshoot Casino Washington Open Invitational by two strokes, making him the oldest Section major winner and now the holder of the most Washington Open wins at six (1996, 1999, 2001, 2010, 2016 and now 2021). He completed the tournament at 206, 10-under par.
Seattle Times: Age no obstacle for Jeff Coston, who wins Washington Open Invitational at 65