There is a short interview on his website, he says it was so hard to play since it's incredibly cold in Doha (not over 7°
. He's happy about his backhand, the rest of his game was crap, apparently.
He says he's leaving tomorrow for Sydney, so I guess he will withdraw from the doubles tournament? In the video of the doubles match, he seems indeed to have fun - except when they win, he's pulling a long face then.