It ends with a chop and the protagonist cashes out and walks away. Not exciting from a poker perspective but the protagonist develops as a person between the last bet and the reveal.

My wife decided the climax of her book would be a poker game and I was like “If you do this, DO NOT use the royal flush takes all trope. It is a tired cliché.”

She did something a little different and I’m very pleased with how she subverted that trope.