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. Though McIlroy was hardly the only golfer to be frustrated by the difficulties he faced in Western Pennsylvania, he was perhaps the most demonstrative of the bunch.

The world's best golfers have had a terrible time of it over the first two rounds of the 2025 U.S. Open at Oakmont, with even Rory McIlroy and Scottie Scheffler visibly frustrated at times.

Simpson got some company in the Oakmont record books late Friday morning, however, as 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.

A complete list of the golf equipment J.J. Spaun is using this week at Oakmont Country Club during the 2025 U.S. Open.

J.J. Spaun emerged as the surprise early first-round U.S. Open leader on Thursday at Oakmont Country Club where Rory McIlroy was two shots back, defending champion Bryson DeChambeau opened with a bogey and Scottie Scheffler had yet to start.

Spaun went out in a record 31 and posted just the eighth bogey-free round in U.S. Open history at Oakmont to take the early lead on Thursday.

Get to know the key details of Oakmont Country Club which hosts the 2025 US Open for the tenth time and is heavily regarded as one of America's toughest courses

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.

Oakmont Country Club, hosting the 2025 U.S. Open, is uniquely divided by the Pennsylvania Turnpike, a major highway that splits

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

Seventy-two holes of struggle await the eventual 2025 U.S. Open winner as Oakmont Country Club is prepared to bare its teeth for a 156-man field all seeking to claim the national championship. The par-70 course is hosting the USGA's signature tournament and the third major championship of the season for a record 10th time with golfers attempting to transverse its difficult landscape for the first time in nine years.

The 125th U.S. Open is underway at Oakmont Country Club in Oakmont, Pennsylvania. For the 10th time, the world’s best will compete in golf’s toughest challenge on one of the world’s most difficult courses.