![Thriller: Roger Federer celebrates his win over Nick Kyrgios.](/web/20170401170012im_/http://www.theage.com.au/content/dam/images/g/v/b/i/5/y/image.related.wideLandscape.460x259.gvbi5v.png/1491028113700.jpg)
Federer wins battle of tiebreaks against Kyrgios in semi final epic
Roger Federer needed more than three hours to outlast Nick Kyrgios 7-6(9) 6-7(9) 7-6(5) in a pulsating Miami Open semi-final on Friday to set up another mouthwatering final clash with Rafa Nadal.