Defending champion Kim Clijsters ousted top seed Caroline Wozniacki and ended her controversial reign as world number one with a straight-sets win in the Australian Open quarter-finals on Tuesday.
Clijsters held off a determined fightback from the 21-year-old Dane to win 6-3, 7-6 (7/4) in 1hr 45min and set up a semi-final against third seed Victoria Azarenka, who beat Poland’s Agnieszka Radwanska.
By failing to progress, Wozniacki is guaranteed to lose her number one ranking to Azarenka, Petra Kvitova or Maria Sharapova when the new standings are released next Monday.
Clijsters, a four-time grand slam champion and mother-of-one, played much better than in her fourth round win over China’s Li Na and showed no ill-effects from the ankle injury she suffered in that match.
She broke Wozniacki four times in the first set as she dominated her younger rival on both her forehand and backhand sides and although Wozniacki broke twice herself, she was always playing catch-up.
The second set followed a similar pattern, but Clijsters faltered while serving for the match at 5-3.
The tiebreak went with serve until 4-4, when Clijsters stepped up to win the next three points and seal victory with a simple put-away into the open court.
Clijsters, who said she had faced an intense regime of icing on her left ankle after the match against Li, said it had been a tough contest.
“It didn’t feel like being up a set and 5-2,” the Belgian said. “I really had to work at it. Caroline changed her tactics (in the second set) and became a bit more aggressive.”
Wozniacki has occupied the rankings top spot since October 11, 2010, apart from one week last February, but she has faced constant questions over her right to be considered the best player because she has never won a major title. But the defiant Dane, who lost her only grand slam final to Clijsters at the 2009 US Open, backed herself to bounce back by the end of the year. “You know, to be honest, I don’t really think about it,” Wozniacki said. “I have been there for a long time already. I finished number one two years in a row.
