Andy Murray produced a remarkable winner in the opening set tie-break against Kei Nishikori which was very reminiscent of his shot to win the Rome Masters.Murray and Nishikori played the longest three-set match in ATP World Tour Finals history - the Scot eventually prevailing 6-7 (9-11) 6-4 6-4 after three hours and 20 minutes. Six months half price Upgrade to Sky Sports to watch Man Utd v Arsenal on Saturday and get the first six months half price In a thrilling breaker, Murray came from 3-6 down and saved four set points, but crucially he was unable to take two set points of his own and Nishikori finally sealed it when the Scot missed a wild forehand. At 6-5 to Nishikori and with one more set point, the Japanese star raced to the net putting the ball away for what he thought was going to be a clean angled winner. Murray beats Nishikori in epic Andy Murray edges out Kei Nishikori in epic at ATP World Tour Finals But he didnt take into account Murrays speed and agility to make the impossible possible.It was a double take of his remarkable powers of recovery to win the Rome Masters title earlier in the year against Novak Djokovic - another unforgettable moment in what has been quite some year for the world No 1. Murray defeated Djokovic in emphatic style to claim his first Rome Masters title and his shot was reminiscent of Wednesdays winner Click on the video at the top of the page to see his winner against Nishikori and then scroll down to see his sensational effort against Djokovic. Then make up your own mind whether or not there was a similarity between the two.Check our game-by-game coverage from all group matches at the ATP World Tour Finals in London - including Andy Murray v Stan Wawrinka on Friday - on skysports.com/tennis, our app for mobile devices and iPad and our Twitter account @skysportstennis.Upgrade to Sky Sports now to watch Man Utd v Arsenal this Saturday and get the first six months half price!Also See:Murray beats Nishikori in epicOne of the best matches everMurrays service syndrome over?Murray targets perfect SundayPaul Hornung Packers Jersey . Dukurs winning time was 1 minute, 45.76 seconds, a quarter-second better than Russias Alexander Tretiakov. Lativas Tomass Dukurs was third, 1.41 seconds off the pace. Jon Montgomery of Eckville, Alta. Clay Matthews Youth Jersey . The Barrie Colts defenceman, who impressed many with his play for Canada at the World Junior Hockey Championship, is the top-ranked skater in the February rankings. 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Madrid is third in the Spanish league, six points behind leader Barcelona, going into Saturdays game against Valladolid.LAS VEGAS -- Claressa Shields didnt feel at her best, but her pro debut was a winning one anyway.The two-time Olympic gold medalist won a decision Saturday over Franchon Crews in a four-round super middleweight fight, making the transition to the pros after the most successful amateur career for an American woman.Shields came back from a slow first round to land the bigger punches in an entertaining fight on the undercard of the Sergey Kovalev-Andrew Ward light heavyweight title fight on the Las Vegas Strip.Its not what I wanted but to be called on, last minute, for a fight of this magnitude, Shields said. I am proud of myself. We will fight again in the future.Both women were fighting without headgear for the first time but it didnt seem to be a factor as they traded punches freely before a sparse but appreciative crowd. Shields won all four rounds on the scorecards of the three ringside judges.Shields, who became the first American woman to win a gold medal in the 2012 Olympics and added another in Rio in August, had vowed to be impressive in her first pro fight. And she wasnt shyy about trading punches with Franchon, a Baltimore fighter who lost to her during the Olympic trials in 2012.ddddddddddddShields was pushed to the canvas twice by Crews, who started strong but seemed to tire quickly.It feels so good to have just made my pro debut, she said. This is what Ive been training for. Im faster and I hit harder.Shields, from Flint, Michigan, weighed 167 pounds to 168 for Crews.The 21-year-old Shields said she plans to fight up to 10 times in her first year as a pro. Her goal is to one day headline a pay-per-view card of her own.I believe 150 percent in my boxing ability, she said before the fight. I know Im a great fighter. I fight better than 90 percent of the men who box now. I just know that, and Im not at my best yet.Womens boxing has largely been a fringe sport in recent years, and women have rarely appeared on televised cards. While the fight was on the undercard of Kovalev-Ward, it wasnt a part of the pay-per-view telecast. ' ' '