![Roger Federer celebrates winning in his fourth-round match against Kei Nishikori.](/web/20170122131319im_/http://www.theage.com.au/content/dam/images/g/t/w/i/l/g/image.related.wideLandscape.460x259.gtwi6u.png/1485088800026.jpg)
The joker and the knight are gone, but the king remains
The joker and a knight might have been shaken out but the king remains. Roger Federer has become the oldest man to make a grand slam quarter-final since Jimmy Connors after a five-set win over Japanese counter-puncher Kei Nishikori.