Could not subscribe, try again later Invalid EmailRoger Federer overcame an early wobble to defeat Tomas Berdych and book an Australian Open semi-final date with the unseeded Chung Hyeon. Federer was rarely troubled thereafter as he clinched a 7-6 (7/1) 6-3 6-4 triumph. (Image: AFP)Federer said of his 20th win over Berdych in 26 meetings: "I was very happy to get out of the first set, I think it ended up being the key to the match. The Swiss defeated Berdych en route to last year's title but was also taken to five sets by Kei Nishikori, Stan Wawrinka and Rafael Nadal. "That match against Berdych showed me I could do it, maybe.

Source: Daily Mirror January 24, 2018 11:03 UTC