Twenty minutes, dissecting a tenth-of-a-second sequence, to determine if a ball had shifted two dimples. The verdict would decide not just a two-stroke penalty but whether a man's integrity would survive intact.

Shane Lowry unleashing F-bomb rants during golf tournaments is certainly nothing new. He did it at this year's PGA Championship. He did it at last year's British Open. He, well, you get the point. But what happened on Friday was still a bit shocking from the Irishman.

The final major of the season is here. Follow along for live updates, scores, highlights and more from the first round of the 2025 British Open.

PORTRUSH, Northern Ireland — Shane Lowry believes he’s figured out a formula to excel in the biggest tournaments, like this week’s British Open at Royal Portrush, where he won the Claret Jug in 2019.

Smylie Kaufman wasn't the only one cursing at Royal Portrush on Friday, but he still drew an apology from Mike Tirico.

The winner of the 2025 British Open will make the same as last year's champ but more than $1 million more than the last time it was at Royal Portrush.