Koivun’s success hasn’t been limited to amateur events. He made the cut in three PGA Tour starts, the Arnold Palmer Invitational, Farmers Insurance Open, and The Memorial. In doing so, he reached the 20-point threshold required to complete the PGA Tour University Accelerated Program. He is now guaranteed full PGA Tour membership, becoming just the third player to do so via the program, after Gordon Sargent and Luke Clanton, who made their pro debuts in Canada last week.

A native of San Jose, California, and raised in Chapel Hill, North Carolina, Koivun arrived at Auburn as the top-ranked recruit in the class of 2023. He made an immediate impact. During his freshman season, he won the SEC Championship by six shots, tied for second at the NCAA Championship, and finished T5 in the Southwest Regional.

That season, he helped lead Auburn to a program-record 10 tournament wins and the school’s first-ever national title. Koivun went undefeated in match play and made history as the first player to win all four major collegiate awards in the same season: the Haskins Award, Jack Nicklaus Award, Ben Hogan Award, and Phil Mickelson Outstanding Freshman Award.

Koivun has also excelled in top amateur events outside the college season. He finished runner-up at the 2024 Jones Cup Invitational and tied for 34th in the 2025 edition, reached the quarterfinals of the 2023 U.S. Amateur, and advanced to the round of 16 after medaling in stroke play at the Western Amateur last summer.

Despite securing his PGA Tour card, Koivun has announced he will return to Auburn for his junior season, a decision that reflects both his team-first mentality and his commitment to continued development. It’s a path also chosen by Luke Clanton, who opted to return to college golf this past season.

Several players previously ranked in the WAGR Top 25, including Clanton, Ian Gilligan, Josele Ballester, Brendan Valdes, Omar Morales, Preston Summerhays, and Phichaksn Maichon, have turned professional in recent weeks. With their departure, Koivun now stands alone as the clear leader in the amateur game, entering the season with the rare distinction of holding the No. 1 ranking, a PGA Tour card already in hand, and a start this week in the U.S. Open at Oakmont.