Well, it sure looked like a shank from the blimp-cam, and Dottie Pepper right away said: "He shanked it."
I was curious about the hole -- he seemed to decide pretty quickly to hit it from the same spot, rather than walking up to where it entered the lateral, and then walking back. The announcers, before his first shot, alluded to a shelf on the backside of the green that they assumed he might want to play off of; I just assume that shot is somewhat easier from 100 yards than 134 yards. But, again, I'm not very familiar with the course, and don't know if where he originally played the shot -- and replayed his 4th -- was the ideal location. And I'd argue he wasn't totally out of the hole, or the match. Two down on the 16th, if he stiffs his 4th shot, and makes bogey, he at least forces his opponent to hit a couple of very good shots to win the hole and the match. As it was, Kuehne came somewhat close to sinking his chip (5th shot), and conceded a bogey putt to his opponent for the match.