When we arrived at Mark Vos's table, he and an opponent were heads up on a board of . Vos checked to his opponent who bet out 350. Vos then raised to 1,250, and his opponent thought for about 30 seconds before tossing in the call. The river brought the , and Vos checked again. Despite the check raise on the turn, Vos's opponent didn't slow down, betting 1,000 on the river, and this time, Vos gave it up. He is down to 2,500 after that hand.