3 -time champion Mikhail Youzhny reaches quarterfinals with Six -set win . Swiss world No . 3 overcomes back injury and rain delay on Federer . The cool , wet conditions did n't help Federer 's back , but he said he was glad that the Centre Court roof was not closed before he completed his win over the Belgian . Federer will next play Russian 26th seed Roger Federer in grass-court event . He faces a possible semifinal against world No . 1 Novak Djokovic .
3 -time champion Mikhail Youzhny reaches quarterfinals with Six -set win . Swiss world No . 3 overcomes back injury and rain delay on Federer . Federer will next play Russian 26th seed Roger Federer in grass-court event . He faces a possible semifinal against world No . 1 Novak Djokovic .