The breakthrough yearThe year he turned 18, he won the U.S. Amateur. He was the youngest champion in the event’s history and the first player from Korea, or from any Asian country, to win it.
In 2010, he entered UC Berkeley. In 2011, he turned professional and earned a place on the Challenge Tour.
In August 2014, he won the Rolex Trophy on the Challenge Tour. In May 2015, he won the BMW PGA Championship on the European Tour, and in September he won the Shinhan Donghae Open, his first Korean event in 3 years and 5 months.
In 2016, he was runner-up at the PGA Tour’s Zurich Classic and, in August, tied for 11th in men’s golf at the Rio Olympics. In 2018, he was runner-up at the Memorial Tournament and then at the RBC Canadian Open in quick succession. In 2019, he played in the Presidents Cup.
In 2021, he lost his PGA Tour status for the next season. In February 2022, he won on the second-tier Korn Ferry Tour, and in September he tied for 4th in his PGA Tour return. In 2023, he tied for 2nd at the Wyndham Championship.
In January 2024, he was runner-up at the Sony Open, and in August he tied for 24th at the Paris Olympics. He played in the Presidents Cup again in September and won the Genesis Championship in October.
In 2025, he tied for 21st at the Masters, pushing his career PGA Tour earnings past $20 million, and in October he became the top earner among players without a win.
In January 2026, he announced his move to LIV Golf, and in February he tied for 9th at the season opener.
An Byeong-hun (born Sep 17, 1991) became known when he won the U.S. Amateur as its youngest champion on Aug 31, 2009, the year he turned 18. In 2015, the year he turned 24, he won the BMW PGA Championship on the European Tour.
Ages are by calendar year (the year minus the birth year), birthdays aside.
Won the 109th U.S. Amateur in Tulsa, Oklahoma, by 7 holes, becoming the youngest champion. He was the first player from Korea, and from any Asian country, to win it. He is the son of the table tennis players Ahn Jae-hyung and Jiao Zhimin.
Entered UC Berkeley for the 2010 academic year.
Source 02 · Yonhap News Agency (Korean) · An Byeong-hun wins a European Tour major · opens in a new tab The month and day could not be confirmed in news reports.Turned professional after a year. That year he earned a place on the second-tier Challenge Tour through European Tour Qualifying School.
Source 02 · Yonhap News Agency (Korean) · An Byeong-hun wins a European Tour major · opens in a new tab The month and day could not be confirmed in news reports.Began playing in earnest on the European second-tier tour and finished in the top 10 twice.
Source 02 · Yonhap News Agency (Korean) · An Byeong-hun wins a European Tour major · opens in a new tab The month and day could not be confirmed in news reports.Finished second on the second-tier tour.
Source 02 · Yonhap News Agency (Korean) · An Byeong-hun wins a European Tour major · opens in a new tab The event name and date could not be confirmed in news reports.Won the Rolex Trophy, a second-tier event. Yonhap writes that after this win he moved up to the top-level tour in earnest the following year.
Source 02 · Yonhap News Agency (Korean) · An Byeong-hun wins a European Tour major · opens in a new tab The day could not be confirmed in news reports.Won the tournament that ended in Virginia Water, Surrey, England. Yonhap described it as a European Tour major.
Source 02 · Yonhap News Agency (Korean) · An Byeong-hun wins a European Tour major · opens in a new tabWon the 31st Shinhan Donghae Open at 12 under, 272, ahead of Noh Seung-yul. It was his first Korean tour start in 3 years and 5 months.
Source 03 · Newsis (Korean) · Shinhan Donghae Open win · opens in a new tabFinished second after a playoff in Avondale, Louisiana, having tied at 15 under after three rounds. Heavy rain had cut the event to 54 holes, and Brian Stuard won. He had been the European Tour Rookie of the Year the year before.
Source 04 · YTN (Korean) · Runner-up at the PGA Tour Zurich Classic after a playoff · opens in a new tab The date is Korea time, as in the article.Finished tied for 11th at 6 under, 278. He did not win a medal; Justin Rose took the gold.
Source 05 · Newsis (Korean) · Rio Olympics golf final round · opens in a new tab The date is Korea time, as in the article.Shot a 3-under 69 on the final day in Dublin, Ohio, and lost a playoff, missing out on a first win.
Source 06 · Hankook Ilbo (Korean) · Runner-up at the Memorial Tournament in a playoff · opens in a new tab The date is Korea time, as in the article.Tied for second with Kim Min-hwi at 20 under, 268, in Oakville, Ontario. Dustin Johnson won, and it was An’s third PGA Tour runner-up finish.
Source 13 · Yonhap News Agency (Korean) · An and Kim Min-hwi tied for second at the Canadian Open · opens in a new tab The date is Korea time, as in the article.Played in the team competition in Melbourne, Australia, and went 1 win, 2 losses and 2 halves. The U.S. won 16-14 in points.
Source 14 · Yonhap News Agency (Korean) · The U.S. wins the Presidents Cup for the eighth straight time · opens in a new tab The date is the final day of the event.Finished 164th in the 2020-2021 FedEx Cup standings and did not secure status for 2021-2022. He tried to regain it through the Korn Ferry Tour Finals, the second-tier tour’s finals series.
Source 15 · Yonhap News Agency (Korean) · Loses PGA Tour status for next season · opens in a new tabSource 12 · Kyunghyang Shinmun (Korean) · Top earner among players without a win · opens in a new tab No day is shown; the date is based on the Yonhap article of Aug. 18, 2021.Won at 17 under, 267, at Lakewood Ranch, Florida. Yonhap writes that it was his first win on the second-tier Korn Ferry Tour and his first win on the U.S. circuit.
Source 16 · Yonhap News Agency (Korean) · First Korn Ferry Tour win · opens in a new tab The date is Korea time, as in the article.Back on the PGA Tour after a year, he finished tied for 4th at 12 under, 276, in the season opener.
Source 17 · Bridge Economy (Korean) · Back on the PGA Tour after a year, tied for 4th in the opener · opens in a new tab The date is Korea time, as in the article.Tied for second with Russell Henley at 18 under, 262, in Greensboro, North Carolina. It was his fourth PGA Tour runner-up finish.
Source 18 · Yonhap News Agency (Korean) · Runner-up at the Wyndham Championship · opens in a new tab The date is Korea time, as in the article.Tied Keegan Bradley and Grayson Murray at 17 under, 263, in Hawaii, but lost on the first playoff hole. It was his fifth PGA Tour runner-up finish.
Source 07 · Maeil Business Newspaper (Korean) · Fifth PGA Tour runner-up finish · opens in a new tab The date is Korea time, as in the article.Played for Korea alongside Tom Kim and finished tied for 24th. Kim was 8th, and Scottie Scheffler took the gold.
Source 08 · Chosun Biz (Korean) · Paris Olympics men’s golf final · opens in a new tab The date is local time, as the article gives it.Earned an automatic spot through the world rankings for the event in Montreal, Canada, and played on the International team with Im Sung-jae, Tom Kim and Kim Si-woo.
Source 19 · Yonhap News Agency (Korean) · Presidents Cup opens on the 26th · opens in a new tab The date is the opening day, in local time, as the article gives it.Beat Tom Kim in a playoff on the final day. It was his first DP World Tour win since the 2015 BMW PGA Championship, nine years earlier, and his second win on the KPGA Tour since the 2015 Shinhan Donghae Open.
Source 09 · Yonhap News Agency (Korean) · An Byeong-hun wins after nine years, rises to 27th in the world rankings · opens in a new tabSource 02 · Yonhap News Agency (Korean) · An Byeong-hun wins a European Tour major · opens in a new tabWith this event his career PGA Tour earnings passed $20 million. Kyunghyang Shinmun writes that he was the second player without a win to do so, after Tommy Fleetwood.
Source 12 · Kyunghyang Shinmun (Korean) · Top earner among players without a win · opens in a new tab The day could not be confirmed in news reports.His career earnings reached $21,484,985, making him the top PGA Tour earner among players without a win.
Source 12 · Kyunghyang Shinmun (Korean) · Top earner among players without a win · opens in a new tab The article says the event ended on the 12th and does not say whether that is local or Korea time.Announced that he would captain the Korean Golf Club, a new team created by LIV Golf. Song Young-han, Kim Min-kyu and Danny Lee are on the same team.
Source 10 · NoCut News (Korean) · Official move to LIV Golf · opens in a new tab The date is Korea time, as in the article.Finished tied for 9th at 17 under, 271, at the 2026 season opener in Riyadh, Saudi Arabia. News1 writes that it was the first top-10 finish by a Korean player in LIV Golf.
Source 11 · News1 (Korean) · Tied for 9th at the LIV Golf season opener · opens in a new tab The date is Korea time, as in the article.END OF SELECTED RECORDSSelected records, 2009–2026 · not a complete list of work. “Key moment” is an editorial label, not a measure of success.
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Sports · South Korea
Sep 17, 1991
Ages are counted from the birth year 1991: the year of the event minus 1991, birthdays aside. “Key moment” labels and the connecting story are AgeTrail's editorial reading.
Fact-checked: 2026.10.17 · An independent archive, not affiliated with the person or their agency.