Woody Austin shot a 12-under 59 on Friday in the Diamond Resorts Invitational, scoring 43 points in the modified stableford event for PGA Tour Champions, LPGA Tour and celebrity players.
The 52-year-old Austin closed with a 3-foot par putt in pouring rain.
He holed a 47-yard pitch for eagle on the par-5 ninth and had 10 birdies on the Four Seasons Resort's 6,626-yard Tranquilo Golf Club course.
Kevin Sutherland shot the only 59 in official PGA Tour Champions play, accomplishing the feat in the 2014.
On Thursday in the Sony Open in Hawaii, Justin Thomas had an 11-under 59 to become the seventh player with a sub-60 round in PGA Tour history.
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The women are playing from the same tees as the seniors in the $750,000 professional competition. The celebrities are playing for $500,000.
