Pless had match point to play in Lyon's final 2002. Ironically he played then against Mathieu
I distinctly recall watching that match and feeling utterly depressed at the prospect that this was the future of men's tennis - two players just going wham-bam all day, no creativity, no tactics, accompanied by shouting and fist-pumping after every point they won. And before somebody says it, the game we have now may be largely one-dimensional but it isn't anywhere near as bad as that match suggested it would be.
Mathieu had such an attitude during those tournaments he won, with the aforementioned fist pumps and working up the crowd, it was comparable to Roddick; and yet since the DC final defeat, he's always come across as somewhat timid and inhibited on court, it shows how a big match can change everything.