Arni Sveinsson withdrew during the first round of the 2026 U.S. Amateur.
Sveinsson, ranked 12th in the world, was 11 over thru 11 holes at Merion on Monday when he made the decision to WD. No official reason was given for Sveinsson’s decision.
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Check out the best photos from the 2026 U.S. Amateur at Merion
Miles Russell hits his tee shot on the second hole on day one of the U.S. Amateur Championship at Merion Golf Club.
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Check out the best photos from the 2026 U.S. Amateur at Merion
Miles Russell hits his tee shot on the second hole on day one of the U.S. Amateur Championship at Merion Golf Club.
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Check out the best photos from the 2026 U.S. Amateur at Merion
Kihei Akina reacts after a missed putt on the fourth hole on day one of the 2026 U.S. Amateur Championship at Merion Golf Club.
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Check out the best photos from the 2026 U.S. Amateur at Merion
The USGA logo on the tee box on the second hole on day one of the 2026 U.S. Amateur Championship at Merion Golf Club.
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Warren Thomis hits his tee on the second hole on day one of the 2026 U.S. Amateur Championship at Merion Golf Club.
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Check out the best photos from the 2026 U.S. Amateur at Merion
Mateo Pulcini hits his tee shot on the fifth hole on day one of the 2026 U.S. Amateur Championship at Merion Golf Club.
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Check out the best photos from the 2026 U.S. Amateur at Merion
Noah Kent hits his tee shot on the fourth hole on day one of the 2026 U.S. Amateur Championship at Merion Golf Club.
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Check out the best photos from the 2026 U.S. Amateur at Merion
The U.S. Amateur statue in recreation of the Robert Indiana’s LOVE Statue on the course on day one of the 2026 U.S. Amateur Championship at Merion Golf Club.
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Logan Reilly looks at the pin at the ninth hole on day one of the U.S. Amateur Championship at Merion Golf Club.
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Fifa Laopakdee hits his tee shot on the ninth hole on day one of the U.S. Amateur Championship at Merion Golf Club.
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Check out the best photos from the 2026 U.S. Amateur at Merion
Preston Stout hits his tee shot on the second hole on day one of the U.S. Amateur Championship at Merion Golf Club.
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The rising junior at LSU made history this summer, becoming the first player from Iceland to compete in the U.S. Open. He missed the cut at Shinnecock Hills.
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Nineteen of the top 20 players in the World Amateur Golf Ranking were in the field to begin the week, with only No. 2 Tyler Weaver not teeing it up because of a back injury. Now, another top player is out of the tournament on the first day.
This article originally appeared on Golfweek: World No. 12 golfer withdraws from 2026 U.S. Amateur at Merion
