Woody Austin shot 12-under 59 in the first round of the Diamond Resorts Invitational, one day after Justin Thomas shot 59 at the Sony Open.
Austin had 10 birdies and an eagle, which added up to 43 points in the modified Stableford scoring format.
The event features a pro side consisting of 27 PGA Tour Champions players and four LPGA players, and a celebrity side with 47 celebs and athletes.
An eagle is worth six points, birdie worth three points, par worth one point, bogey worth zero, and double bogey or worse worth minus-2.