PORTRUSH, Northern Ireland—For all his scientific precision and analytical approach to golf, Bryson DeChambeau has encountered one variable that defies his calculations: the wind. It's a struggle that reached its nadir last year at Royal Troon, where the elements exposed the glaring weakness in an otherwise formidable game.

As a popular YouTuber and golfing enigma, Bryson DeChambeau is known for coming up with some wacky, radical ideas.