Bryson DeChambeau believes a two-shot penalty at Royal Birkdale cost him the 2026 Open Championship. Speaking at LIV Golf UK on July 24, six days after the tournament ended, DeChambeau was blunt: "Two holes and I'm right there with the Claret Jug" (Sports Illustrated, Yahoo Sports).

The penalty came during the second round at the 5th hole. Officials ruled that DeChambeau had improved his backswing area by standing on and flattening long grass behind his ball — a breach of golf's rules against altering the conditions that affect a shot. The punishment was retroactive: two extra strokes added to his card after the round, turning what had been a bogey (one over par) into a triple bogey (three over) on that single hole (The Guardian).

The damage was immediate. DeChambeau dropped from second to fifth on the leaderboard. His second-round 66 became a 68. He was furious enough to threaten pulling out of the tournament entirely, but played through the weekend.

Ryan Fox won the Open at 10 under par — six shots clear of where DeChambeau finished. The New Zealander claimed his first major championship. DeChambeau ended tied for 14th at 4 under, with rounds of 67, 68 (adjusted), 69, and 72.

DeChambeau's arithmetic is straightforward. He was three over on the 5th hole, where the penalty landed, and also lost shots on the 11th during the same round. Six shots recovered across those two holes would have put him at 10 under — tied with Fox at the top of the leaderboard.

Whether those shots would have fallen differently under different circumstances is unknowable. Golf doesn't grant replays. But the gap between DeChambeau's finishing position and the winner was exactly the margin of the penalty plus his other mishaps on those two holes, and that is the hook he has hung his argument on.

Not everyone was sympathetic. Rory McIlroy, playing in the same tournament, called the penalty "pretty obvious" and "justified for sure" (ESPN). Max Homa took the opposite view, defending DeChambeau against the ruling (ESPN). The split is familiar to anyone who followed the 2024 US Open, where McIlroy and DeChambeau finished on opposite sides of a one-shot result.

The rule itself is rarely invoked but unambiguous: a player cannot improve the area around their ball, including the space their club travels through on the backswing, by pressing down or breaking grass. Officials reviewed video evidence before applying the penalty. DeChambeau has never disputed that he stood on the grass; his argument is about intent and proportion, not the letter of the rule.

The 2026 Open was held at Royal Birkdale, the Southport links that has hosted the championship ten times. DeChambeau's comments came at the JCB Golf and Country Club near Uttoxeter, where LIV Golf's UK event is staged this week.

For fans, the frustration is real but the maths cuts both ways. Remove the penalty and DeChambeau is closer on paper. Remove a bad hole from almost any player's card and the leaderboard shifts. The Claret Jug went home with Fox. DeChambeau went home with a grudge and a talking point, and he is still working both.