World No.1 Caroline Wozniacki lost in quarter-finals of the 2012 Australian Open. What was the score?

Caroline Wozniacki lost 3-6, 6-7 to Kim Clijsters at the 2012 Australian Open quarterfinal match. Not just losing at a Grand Slam, She's also lost the No. 1 ranking she's held for nearly 67 weeks. Yet it may end up being a relief for the 21-year-old Dane, who faced endless scrutiny about not winning a Grand Slam title since rising to the top of the game in October 2010.

Rajasthan completed formalities on the fifth and final day as they successfully defended the Ranji Trophy by virtue of first-innings lead against Tamil Nadu, at the Chepauk, in Chennai. The match was dead as a contest on the fourth day itself, when Rajasthan managed a huge 326-run first innings lead. Rajasthan walked away with a winners' cheque of Rs2 crore while Tamil Nadu got half that amount.

MS Dhoni was handed a one-match ban for slow over rate during the Perth Test. He was suspended since this is the second offence within 12 months and according to ICC Code of conduct, a captain of an international side should be suspended for one match if his side is guilty of two minor over-rate offenses in the same format over a 12-month period.

Ram Singh Yadav achieved the qualifying mark set for this year's London Games by dipping more than a minute under the B standard in the Standard Chartered Mumbai Marathon in Mumbai. The UP-born Army runner timed 2 hours, 16 minutes and 59 seconds, well under the 2:18 B standard qualifying time set for the 2012 Olympics while coming first among the Indian men competitors, and 12th overall, in the 42-km race won by Kenya's 29-year-old, 5-foot, 9-inch tall Laban Moiben in 2:10:68.

Rafael Nadal defeated Roger Federer in the semi-finals of the 2012 Australian Open. The second-seeded Nadal secured a berth in his second final in four years with a 6-7 (5-7), 6-2, 7-6 (7-5), 6-4 come-from-behind victory over the third-seeded Federer at Melbourne Park. Djokovic, Nadal and Federer have combined to win seven of the last eight Australian Open championships.

Meredith Alexander, a leading environmentalist, resigned from the Games’ ethics committee protesting against Dow’s links with the 1984 Bhopal gas disaster and accusing the organisers of acting like 'apologists' for the company. An enraged Meredith Alexander said she is quitting as sustainability commissioner to the London Olympics to bring attention to the toxic legacy of Bhopal. India is strongly opposed to Dow's involvement with the Games due to start in July.

Jeffrey Ntuka, a former Chelsea player, was stabbed to death at a nightclub in South Africa.The 26-year-old, who joined Stamford Bridge nine years ago but never made a first team appearance, died in the early hours of January 21. It has been claimed he was involved in a brawl before being attacked with a knife at the venue in Kroonstad.

Hashim Amla became the father of a baby boy after his wife gave birth to their first son in Durban. The South African cricketer was released from the ODI squad to be with his wife during this special time.

Six cricketers, including two players who played for the champions Giridih in the recently held inter-district under-19 tournament, were suspended for two years by the Jharkhand State Cricket Association (JSCA) for allegedly fudging their age.

Allan Donald, the former South Africa pacer has joined Sahara Pune Warriors as a bowling. Donald will be the second South African in the Pune team’s support staff. He joins compatriot Paddy Upton, who was recently recruited as the team’s mental trainer. Upton, it may be recalled, was Team India’s mental trainer under Gary Kirsten.