Beijing – a professional golfer of Malaysia Arie Irawan he died at age 28 in China where he competed for the Sanya Championship.
In a statement to the PGA Tour, Irawan was found dead in his hotel room on Hainan Island on Sunday morning.
"Early indicators of his death were a natural cause. The coroner did not complete his report," said the PGA Tour statement.
Irawan competed in the PGA Tour series – the Chinese Sanya Championship, where he missed a 36-hole cut, but remained on the spot.
According to PGA Tour, "his team-mate, American Kevin Techakanokboon, who has already woken up and is preparing for the last round, noticed that Irawan did not react in his bed."
"This is just a terrible tragedy that affects all of us who are part of a very close family here in China," said Greg Carlson, executive director of PGA TOUR Series-China.
Irawan, who attended the University of Tulsa on a golf scholarship, became a professional in 2013 and won two Asian development tours in his seven year career.
The organizers canceled the last round in Hainan for respect for the Irawan family. American Trevor Sluman, the leader with two holes with 54 holes, was declared the winner.