115th U.S. Open Championship at Chambers Bay

Tiger Woods hits out of the tall fescue grass on the 10th hole during the second round of the U.S. Open golf tournament at Chambers Bay.

Fans watch from the grandstand on the 10th hole during the second round of the U.S. Open golf tournament at Chambers Bay.

Justin Rose of England tees off on the 17th hole during the first round of the U.S. Open golf tournament at Chambers Bay.

Fans watch during the first round of the U.S. Open golf tournament at Chambers Bay.

Rory McIlroy of Northern Ireland waits on the 16th green as a train passes behind during the first round of the U.S. Open golf tournament at Chambers Bay.

Rickie Fowler of the United States watches his tee shot on the sixth hole during the first round of the U.S. Open golf tournament at Chambers Bay.

Dustin Johnson of the United States hits his second shot on the 18th hole during the first round of the U.S. Open golf tournament at Chambers Bay.

Ernie Els, of South Africa, hits out of the bunker on the 15th hole during the first round of the U.S. Open golf tournament at Chambers Bay.

Fans are seen on the course during the first round of the U.S. Open golf tournament at Chambers Bay.

Bubba Watson of the United States and his caddie Ted Scott react to a tee shot on the sixth hole during the first round of the U.S. Open golf tournament at Chambers Bay.

Fans watch the play during the first round of the U.S. Open golf tournament at Chambers Bay.

Adam Scott of Australia hits his tee shot on the 14th hole during the first round of the U.S. Open golf tournament at Chambers Bay.

Tiger Woods of the United States and Rickie Fowler of the United States stand on the 18th green during the first round of the U.S. Open golf tournament at Chambers Bay.