Will Nalbandian Reach The Quarters & Face Federer? *Spoiler (If Necessary)*

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My only worry for Federer's possible quarter-final opponent is Nalbandian.
Although Federer has won the last 2 meetings rather convincingly, but Nalbandian was Federer's no. 1 Nemesis whose game must have frustrated Federer quite frequently to have gone down 5-0 to Nalbandian, before making it 5-2 in recent times. Has Federer thoroughly grasp on the weaknesses of Nalbandian and has confidently found the solution of beating Nalbandian, and in the midst of turning around the series like against Kiefer, Agassi, Hewitt?
I hope Nalbandian will be beaten by either Gonzalez / Davydenko / Moya, so Federer would not have to face Nalbandian in the quarters and recall his loss in US open 2003. When playing his opponent for a 3rd time or when he already found the solution or strategy to defeat the opponent, Federer seemed to demolished his opponent more convincely like Minar, Hewitt, Roddick. Nalbandian does not seemed to have a good year and seemed rather quiet in terms of news, until I checked that he actually made it to Australian & Wimbledon Quarter-finals. So should Federer's supporters be worried about a Nalbandian vs Federer quarter-finals possibility? Or Federer will still beat Nalbandian, even if he reaches the quarters, so no need to worry? I voted for Nalbandian to be ousted in the 4th round. What are your opinions?