Originally Posted by abmk
Quite a few great/significant tie-breaks have already been mentioned. I'll mention one that hasn't been :
Verdasco Nadal 4th set tie-break AO 2009 SF
Verdasco took it 7-1 by playing some great,flawless tennis
Came into this thread to mention this one. Commentator said someone along the lines of "this is the best tiebreak I've ever seen anyone play".