Nadal to end year as number one
Rafael Nadal admitted after beating Stanislas Wawrinka in London to ensure that he will end the year as world number one that it was the perfect way to end 2013.
The 27-year-old Spaniard won 7-6 7-6 to secure a semi-final place at the ATP World Tour Finals, and cannot now be overtaken by world number two Novak Djokovic.
It was Nadal's second win of the competition after he beat compatriot David Ferrer on Monday.
He had chances at the end, I was a bit lucky but I'm happy to be through to the semi-finals in the last tournament of the year.Rafael Nadal
Ferrer is 13/8 to beat Tomas Berdych in straight sets on Wednesday evening while the Czech player is 7/2 to win the match in three sets.
Nadal said after beating Swiss star Wawrinka: "A lot of emotions today, it's the perfect scenario to finally be the year-end number one. The match was really hard, Stan played really great.
"He had chances at the end, I was a bit lucky but I'm happy to be through to the semi-finals in the last tournament of the year. After missing this tournament last year, it's been an unbelievable comeback year.
"Being number one at end of the season is something really difficult as there are some unbelievable competitors out there. But without my team behind me, it would be hard to think about achieving this, especially after what happened last year.
"Stan is a player who is having the best season of his career, he's playing great. To win against him is a big challenge, so I'm happy with the result."
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