Joey Couden raised to 180,000 in the cutoff and only small blind Mike Matusow called.
The flop was checked by both players but Couden fired 300,000 on the turn. Matusow cut out calling chips and put them in front of him.
Couden fired again when the hit the river, announcing a bet of 775,000. Matusow took about a minute and then called.
"Nut flush," Couden quickly declared, exposing for the nuts. Matusow said he had a queen-high flush and dropped to about 230,000 while Couden sky-rocketed to 3.4 million.