At the 2019 Main Event in Las Vegas, Ensan entered the final table with the chip lead, having more than a third of the chips in play. On the 301st hand of the final table, he defeated Italian professional poker player Dario Sammartino heads-up, with against Sammartino's . His opponent check-raised all in on a board and Ensan quickly called, with the river card coming up a blank. At age 55, Ensan became the oldest Main Event champion since Noel Furlong in 1999 and the second German champion after Pius Heinz in 2011.