Si Woo Kim was completely candid when reviewing his performance at Oakmont Country Club after his first round at the U.S. Open.

The 125th U.S. Open has officially teed off today, Thursday, June 12, at the historic Oakmont Country Club in Oakmont, Pennsylvania. With 156 top golfers in the field, including World No. 1 Scottie Scheffler and defending champion Bryson DeChambeau, fans are buzzing with excitement. But there’s one name notably missing from the list: Tiger Woods.

Oakmont Country Club is known to provide some of the most ridiculous shots and mind-blowing course features in all of golf.

Golf fans have been inundated this week with videos from Oakmont showing off the famed course's thick rough to its slick greens to the club's special mowers that cut that thick rough in a way that makes it play even more difficult.

That honesty and grit may just spark a turnaround. After missing the cut at the Masters and PGA Championship, Koepka looks determined to get back in the major conversation.

The U.S. Open offers perhaps the most challenging cut line in professional golf, and with Oakmont Country Club set to be one of the hardest in the championship'

With the 125th US Open approaching, we're taking a look at some players who could surprise us with their performance at Oakmont Country Club.

Which PGA Tour money leaders are in the field for this week's U.S. Open? The short answer is just about all of them.

The 2007 U.S. Open at Oakmont, with a winning score of 5-over 285, featured the highest cumulative scoring average of any U.S. Open this century. This year, the USGA is looking to set the course up for the same.