After pulling out of Sunday 's final against Djokovic , Federer adopted a more optimistic tone than Luthi . Roger Federer faces fitness battle to be ready for Davis Cup final . Said he was n't `` match fit '' for final of World Tour finals against Novak Djokovic . Federer had played for about three hours Friday in beating fellow Swiss Stan Wawrinka . Roger Federer final between France and France starts Saturday in Switzerland .
Roger Federer faces fitness battle to be ready for Davis Cup final . Said he was n't `` match fit '' for final of World Tour finals against Novak Djokovic . Federer had played for about three hours Friday in beating fellow Swiss Stan Wawrinka . Roger Federer final between France and France starts Saturday in Switzerland .