It's way wrong, though.
Kohlschreiber is one of the weakest-minded nutcases of the ATP tour.
So who isn't in your opinion?
I base my opinion on scorelines from his matches, Kohli has played 99 ATP tournaments and hasn't lost a match wasting match point (has won 4 matches saving match points) - great achievement comparing to other players. I know his results from Challengers and Futures very well, it's tough to say that he had been choking there. The guy won fifth sets: 17-15 at Roland Garros (the longest 5th set in Paris in terms of games in history) and 8-6 in Melbourne (against experienced Roddick who saved there a few match points with aces what would have been very frustraiting and leads to Kohli's loss). Has won a few times 7-6 7-6 matches including (14-12, 8-6) over Sexy
Won a set against Starace from 1:5 down.
The only scar in his mental department so far is this year's 4th round in Melbourne where he wasted 11 setpoints against Nieminen, nota bene very strong mentally player as well.