ISTANBUL: Serena Williams ended the best season of her career in suitable style, coming from behind to beat Li Na 2-6, 6-3, 6-0 on Sunday for her second straight WTA Championship.

Williams collected her 11th title of the year and became the first player to defend the title since Justine Henin in 2007.

The American won her fourth WTA Championship, having captured the elite tournament of the eight top-ranked players also in her debut in 2001 and in 2009 and 2012.

Williams has won 78 of 82 matches this year and will finish the year as the top ranked player for the third time in her career after 2002 and 2009.

Li was in her first WTA Championship final and will finish the year at a career-high No. 3.

Williams sank to her knees after firing a backhand winner on her second match point. She became the eighth female player to win 11 or more titles a year and the first since Martina Hingis claimed 12 in 1997.

The final featured two players aged above 30 for the first time in the championships’ 43-year history. Williams is 32 and Li is 31 but both are playing some of their best tennis.

Li got off to a better start over a sluggish-looking Williams, who struggled a day earlier to beat Jelena Jankovic and complained later of being exhausted after a long season.

The Chinese, passing Williams almost at will, was quick to break serve for a 2-1 lead and rolled through the first set, which ended with Williams netting a forehand and hitting a backhand passing shot wide.

Williams won a key game at the start of the second set that went to nine deuces and lasted nearly 12 minutes as the American fended off two break points before finally prevailing with a service winner.

Li blasted an ace, her only one of the match, to level at 3-3. But she produced a double-fault and a forehand error to give Williams a chance to serve out the set. Williams needed three set points to close it out.

It was another double-fault by Li that gave Williams a break of serve at the start of the third and the American never looked behind.

Williams did have to save five break points, the last one with her sixth ace, before wrapping up the title.


Del Potro beats Federer for title

In Basel, Roger Federer’s unhappy season continued on Sunday when he lost to Juan Martin del Potro in the final of the Basel Open for the second year running.

The Swiss played some of his best tennis this year but it was still not enough to stop him from being on the receiving end of a 7-6 (3) 2-6 6-4 defeat against the powerful Argentine and his 220 kph serve.

To add to his woes, victory would have guaranteed Federer a place in the season-ending World Tour Finals but his hopes of qualifying for the tournament he has won a record six times will be decided at next week’s Paris Masters.

After Del Potro took the first set, the momentum seemed to swing Federer’s way when he raced through the second set.

But the turning point came in the first game of the third set when Federer was broken after leading 40-15. Del Potro hit a stunning return on his way to break point and, although the Swiss hero saved one point with an amazing backhand overhead smashed, Del Potro took the game when Federer overhit a forehand.

Del Potro went on to take the set and win his fourth ATP title of the season after Tokyo, Washington and Rotterdam.

Youzhny upsets Ferrer

In Valencia, Russian Mikhail Youzhny claimed his second title of the year as he upset home favorite David Ferrer 6-3, 7-5 to win the Valencia Open on Sunday.

Ferrer was aiming for his fourth title in his home region, but was far from his stubborn best as Youzhny’s power and depth of groundstrokes proved too much for the number one seed.

“I can only thank my team for helping me get to this part of the season and being able to win a tournament,” said Youzhny.

“It has been a great week for me and I hope I can keep playing in the same way to finish the year in Paris next week.” However, there was disappointment for Ferrer, who had come through an awkward draw to beat Gael Monfils, Jerzy Janowicz and Nicolas Almagro only to fall at the final hurdle.