Las Vegas - Ryan Riess, a 23-year-old American poker professional, has claimed the biggest title in the game by winning the $8.4 million World Series of Poker main event.
He came out on top of his final heads-up opponent Jay Farber in a dramatic 3-1/2 hour session that ended after midnight on Tuesday.
Riess is a poker pro based in Las Vegas while Farber is a club promoter who played the game as a hobby.
Riess came out on top of a field of 6 352 entrants in the no-limit Texas Hold 'em tournament which began in July, and resumed after a hiatus with the final nine players.