Wimbledon 2011: Roger Federer impressed with roof

Watch the closing stages of Roger Federer's routine win over France's Adrian Mannarino and hear his thoughts on playing under the Centre Court roof for the first time.

The Swiss number three seed wasted little time in defeating Mannarino 6-2 6-3 6-2 in 88 minutes.

Federer will now play 2002 finalist David Nalbandian in the third round.

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