Sport: Tennis

Simona Halep said for a fleeting moment she thought "everything had gone" when facing two Kerber match points before battling past the former champion.
A wildly unpredictable match veered one way, then the other, before Simona Halep finally broke Angelique Kerber's resistance to claim victory.
Cornet could be banned from the sport as World Anti-Doping Agency rules allow for a suspension of up to two years.
Defending champion Roger Federer trailed early on, but 19th seed Tomas Berdych faltered when serving for the first set.
The defending Fed Cup champion Americans will play host to the Netherlands in a first-round tie February 10-11 on an indoor hardcourt at Asheville, North Carolina.
The world number one retired against Marin Cilic after an upper right leg problem began troubling him in the fourth set on Rod Laver Arena.
South Korean star Chung Hyeon ranked 58th in the world, will face unseeded American Tennys Sandgren for a place in the semi-finals.
Players from seven different countries will contest the boys’ singles and doubles in Tarbes, with South Africa represented by current world No 4 Alwande Sikhosana.
The Swiss second seed was too strong for the 80th-ranked Marton Fucsovics, winning 6-4, 7-6 (7/3), 6-2 in just over two hours on Rod Laver Arena.
Federer, rated the favourite to win his 20th major even at the venerable age of 36, progressed to the fourth round at the Australian Open for the 16th time.
The 2016 winner from Germany and 21st seed roared past the unseeded Russian 2008 champion 6-1, 6-3 in 64 minutes to reach the last 16.
The 16-time Grand Slam champion defeated the 28th seed Dzumhur 6-1, 6-3, 6-1 and will play Argentina's Diego Schwartzman next.
Bulgaria's world No.3 Grigor Dimitrov held on for a fluctuating 6-3, 4-6, 6-4, 6-4 win in just over three hours on Rod Laver Arena.
The 97th-ranked Tennys Sandgren downed ninth seeded Stan Wawrinka 6-2, 6-1, 6-4 and will next play Germany's Maximilian Marterer.
Six-time champion Novak Djokovic stretched his unbeaten record over Monfils to 15-0, one of the longest at Tour level.
The German 21st seed, champion here two years ago, will face 2008 winner Maria Sharapova in Saturday's glamour clash.
The world number one Spaniard's march towards a 17th Grand Slam crown was never threatened by Argentina's Leonardo Mayer.
The ageless Swiss marvel, rated as the favourite to win his 20th Grand Slam title, thrilled the Rod Laver Arena crowd with a virtuoso performance.
World number three, Garbine Muguruza took an hour and 24 minutes to quell the virtually unknown 21-year-old French world number 256.
The 12-times Grand Slam champion, seeded an unfamiliar 14, was too strong for American Donald Young.
Top seed Rafael Nadal clinically took apart the 81st-ranked Dominican to forge a 6-1, 6-1, 6-1 win in 94 minutes on Rod Laver Arena.
Kevin Anderson is the favourite to triumph in Monday’s ‘Battle of the Joburg-borns’ by virtue of his strong form in recent months.
In Thursday's draw, 36-year-old Roger Federer, bidding for a record 20th Grand Slam title, has a first round encounter with the 51st-ranked Bedene.
Williams, a 23-time Grand Slam champion, told Vogue she is determined to win more major titles and surpass the record of 24 Slams held by Australia's Margaret Court.
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