'Thanks Rafa': Wawrinka's joy as he joins Spanish great in semifinals
November 8, 2013 -- Updated 2300 GMT (0700 HKT)
Rafael Nadal shows his delight after completing a three set win over Tomas Berdych to wrap up Group A at the ATP World Tour Finals
Stan is the Man!
- Stanislas Wawrinka qualifies for semifinals at ATP World Tour semifinals
- Beats David Ferrer in three sets in Group A
- Rafael Nadal's win over Tomas Berdych seals Wawrinka's passage
- No.1 Nadal has to battle past Berdych in three sets
(CNN) -- Rafael Nadal completed a perfect sweep of his matches in Group A of the ATP World Tour Finals by beating Tomas Berdych Friday -- his victory enabling a grateful Stanislas Wawrinka to accompany him into the semifinals in London.
Wawrinka and his supporters breathed a sigh of relief after Nadal wrapped up a 6-4 1-6 6-3 victory over his Czech opponent to go through as group winner.
The match had been in the balance when Berdych hit back to level at one set all with a display of power tennis that had the top seed wobbling, but he could not sustain the effort.
Nadal, who has never won the end of season showpiece, waited until the eighth game of the decider to make the breakthrough, taking advantage of two double faults by fifth seed Berdych.
He then served out for victory, completed with a flashing forehand winner and customary fist pump.
Wawrinka ready for singles success
Rafael Nadal: Comeback was difficult
Nadal was also fully aware he had done Swiss star Wawrinka, who is making his debut in the finals, a big favor.
Read: Federer demands more drug tests
"I have a great relationship with him, so I'm happy for Stan, sorry for Thomas," Nadal said.
"Before the match Stan came to the locker room and told me 'come on', " he revealed.
Wawrinka, who would have been on the edge of the seat as Berdych made his move, tweeted: Vamooooos!!! Next diner is for me @RafaelNadal !! Good job!!
He had earlier battled past Nadal's compatriot David Ferrer in a thrilling afternoon match at the O2 Arena.
Wawrinka, who beat Berdych in his opening match before losing to Nadal, raced into a 5-2 lead in the opener before Ferrer battled back to force a tiebreaker, which he took 7-3.
But Wawrinka hit back to level the second set with a single break and then dominated the decider with two further breaks, sealing a 6-7 6-4 6-1 victory.
Saturday will see Group B decided with Roger Federer taking on Juan Martin Del Potro to decide who goes through to the last four with defending champion Novak Djokovic.
The Serb plays Richard Gasquet, who has already been eliminated.
Part of complete coverage on
March 5, 2014 -- Updated 1014 GMT (1814 HKT)
After two decades dedicated to the game, Amelie Mauresmo wants a second life -- one away from tennis.
Almost five years to the day after reducing Roger Federer to tears at the Australian Open, Rafael Nadal shed a few in his own loser's speech.
February 2, 2014 -- Updated 0248 GMT (1048 HKT)
Li Na outperformed Maria Sharapova at the Australian Open, but can she now surpass the Russian as the world's richest female athlete?
Roger Federer may have lost again to Rafael Nadal in the business end of a grand slam, but he can take some heart from yet another record says CNN's Will Edmonds.
January 21, 2014 -- Updated 1358 GMT (2158 HKT)
Roger Federer and Stefan Edberg, Novak Djokovic and Boris Becker -- today's tennis stars are teaming up with past legends of the game.
January 15, 2014 -- Updated 1859 GMT (0259 HKT)
Can't stand the heat of the first tennis grand slam of 2014? Then you clearly haven't been doing enough Bikram yoga.
After nearly a decade without any real change at the top of men's tennis, CNN's Will Edmonds looks at next generation of future stars.
January 9, 2014 -- Updated 1314 GMT (2114 HKT)
Ana Ivanovic is still seeking to rediscover the form that took her to the top of the rankings -- but she has found a new lease of life.
January 6, 2014 -- Updated 1142 GMT (1942 HKT)
As a teen sensation, Bernard Tomic had the tennis world at his feet -- but he's in danger of blowing it, says Australian great Pat Rafter.
December 31, 2013 -- Updated 1532 GMT (2332 HKT)
Roger Federer becomes the latest tennis star to turn to a former legend for help, adding his "childhood hero" Stefan Edberg to his coaching team.
December 20, 2013 -- Updated 1750 GMT (0150 HKT)
CNN's Open Court meets the three grand slam winners of 2013 and asks who will rule next year?
December 5, 2013 -- Updated 1517 GMT (2317 HKT)
South Africa may just have found another Paralympian to inspire a nation -- and perhaps the world.
Today's five most popular stories