( CNN ) -- World No . 1 Rafael Nadal set up a semifinal showdown with Andy Murray after winning his third successive match at the season-ending ATP World Tour Finals in London on Friday . The Spaniard overcame sixth seed Tomas Berdych 7-6 ( 7-3 ) 6-1 to repeat his victory over the Czech in the Wimbledon final in July . Third seed Novak Djokovic will play No . 2 Roger Federer in Saturday evening 's second semifinal after handing American Andy Roddick his third successive defeat in Friday 's closing match of the round-robin stage . The 24-year-old , who needed to win just one set to progress , completed his seventh straight win over Berdych despite losing his cool with an umpiring call . Nadal was infuriated when Berdych was allowed to challenge a decision in the 12th game and was given the point as his backhand was shown to touch the line and not be long . Nadal calmed himself down after a long , heated exchange with the umpire and held serve before winning the tie-break comfortably and then racing away with the second set to reach the last four of the event for the first time . Behind the scenes at the ATP Finals . `` It was a very important victory because every day I 'm playing a little better and today I played a great match . It 's going to be a really , really difficult match against Andy , '' he told the crowd after ending Berdych 's hopes of progressing . Nadal has never won an indoor hardcourt tournament , and failed to win a set at the O2 Arena last year . He has beaten Murray eight times in their 12 meetings , but lost to the British player on hardcourt in Toronto in August and retired hurt on the same surface during their Australian Open last-16 clash in January . Nadal won their first two hardcourt meetings in 2007 but they went 2-2 last year . In Friday 's final Group A match , Djokovic needed to win only one set to earn a clash with Group B winner Federer . Roddick , who lost his first two games , needed to win in straight sets to go through as runner-up . He had won his past four encounters with Djokovic , three of them being two-setters . But it was the Serbian who prevailed with the minimum of fuss , winning 6-2 6-3 as he suffered none of the contact lens problems that hampered him in his earlier defeat by Nadal . `` It 's definitely a great achievement to get to the semifinals . It 's great for the tournament to have the top four guys in the semifinals , '' the 23-year-old , who walked out to the court wearing a joke eye patch , told the crowd afterwards .
Rafael Nadal defeats Tomas Berdych to reach semifinals and eliminate the Czech . World No . 1 will on Saturday play Andy Murray , who was runner-up in Group B . World No . 3 Novak Djokovic beats Andy Roddick in Friday night 's final Group A tie . TL;DR Roger Federer wins Wimbledon title for a record eighth time with straight-sets victory over Juan Martin Del Potro.