How Does Yockey Lose This One?

In a four-bet pot, Bryce Yockey was heads-up with Martin Dam in the big blind with around 160,000 chips already in the middle. The flop came and the two players got all of their chips in the middle with the big blind at risk for 56,500.

Martin Dam:
Bryce Yockey:

"Let's put more money in the pot!" Yockey shouted as he stood up from his chair. Yockey was the heavy favorite with the best hand including a wrap and a flush draw. However, the on the turn gave Dam his own flush draw. Unfortunately for Yockey, that was the one that would come in as the completed the board.