The last three holes at Quail Hollow, the site of this year’s PGA Championship, might be the most brutal final stretch at any major tournament.

Scottie Scheffler, Rory McIlroy, and Xander Schauffele were all left deeply frustrated during the first round of the PGA Championship. The World’s No.1, No.2 and No.3, who started their round on the back nine, all took double bogey sixes at the par four 16th in to drop down the standings amid much discussion.

The pro Webb Simpson lives near the seventh hole and knows the ins and outs of the course where the P.G.A. Championship will be played.