Glad you liked the pics, Lee!
Yeah, I'm sure he was thinking about the disaster in Melbourne while trying to close out the match on Tuesday. Plus he was maybe a bit nervous because he was in front of his home crowd. He was starting to get really ticked off out there at all the missed chances, doing the usual yelling at himself, even throwing his racket on the ground. Then he was broken by a truly awful double fault, the ball wasn't anywhere near inside the line!
Maybe he just wanted to stay out there a bit longer, drag out the torture a bit