Rouhani has seven cashes at the World Series of Poker (WSOP), His largest cash was when he finished runner-up to Justin Scott in the $2,000 No Limit Hold'em event at the 2006 World Series of Poker, earning $429,065. His highest finish at the Main Event was 293rd place at the 2005 World Series of Poker, earning $24,365. At the 2008 World Series of Poker, he won his first bracelet in the $2,500 Omaha/Seven Card Stud Hi-Low-8 or Better event, earning $232,911.