Rory McIlroy lashed out at the toughest golf course in the country Friday as Oakmont Country Club continued to bare its teeth at the 156 men competing in the 2025 U.S. Open.

Victor Perez found the bottom of the cup from the tee on the 192-yard 6th hole, hitting a 7 iron just below the hole and watching as it released straight into the hole for an ace.

Victor Perez aced the sixth hole in the U.S. Open at Oakmont Country Club on Friday, becoming just the second golfer in 10 U.S. Opens at the famed course to pull off the feat.

After just eight players shot under par in the opening round of the 2025 U.S. Open Championship, the challenge of the infamous Oakmont Country Club golf course is already rearing its ugly head. The scoring average was just 74.64, making it the hardest first round at the U.S. Open since 2018 at Shinnecock Hills.

U.S. Open Golf Championship begins Thursday at Oakmont Country Club in Pennsylvania in what will be a historic 125th edition of the major championship.

The U.S. Open 2025 started Thursday at the venerable Oakmont Country Club, hosting the national championship for a record 10th time.

Bryson DeChambeau plays his shot from the 10th tee during the first round of the U.S. Open.

Follow the second round of the 2025 U.S. Open right here for live updates, highlights, leaderboard and scores and more.