Novak Djokovic twice came from behind to defeat Rafael Nadal in straight sets in their Rome Masters quarter-final. A 7-5 7-6 (7-4) win means the world No 1 will now advance into Saturdays semi-finals where he will play sixth seed Kei Nishikori who beat Dominic Thiem 6-3 7-5, while Andy Murray will face lucky loser Lucas Pouille.Nadal had his chances to end a six-match losing streak against Djokovic but wasted a break advantage in the first set, then missed five set-point chances in the second. Novak Djokovics set point in the opener was majestic... Djokovic recovered from a break down to secure the opener in dramatic fashion. Nadal initially went 4-2 up against the serve, largely thanks to a drop shot that found a home three times in the early stages.Mid-way through the set, Djokovic began finding his rhythm and threatened with some trademark returns from the back of the court. He held a 10-minute game to remain 3-4 down before more excellent work from the back of the court earned Djokovic a break of his own.Djokovic led 6-5 heading into the final game but defeated Nadals serve in a pulsating manner. Another Nadal drop shot had him on course for 6-6, but Djokovic converted his fourth set point by winning an astonishing rally. Novak Djokovic lost his cool and threw his racket Nadal then crucially failed to convert five set points to force a decider. Leading 5-4 in the second set having broken Djokovics first service game, Nadal continued to put himself on the brink but could not cross the line.Djokovic saved all five set points and remarkably broke back before winning a thrilling tie-break 7-4 in a memorable demonstration of grit and athleticism from both players.Current Rome Masters champion Djokovic now has a 26-23 head-to-head record against Nadal.Watch the Rome semi-finals on Saturday, live on Sky Sports 3 HD from 1.30pm. 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Duke has once again brought in one of the nations best recruiting classes, led by the 6-foot-8 forward from St. Louis who could slide into the spot vacated by one-and-done player Brandon Ingram.Were really not looking that far ahead, Tatum said in an interview with The Associated Press. With this freshmen class, six guys have never played a college basketball game, so those expectations, were just looking at the process.This is a blueprint the Blue Devils have followed to a title recently, with freshmen Jahlil Okafor and Tyus Jones leading them to their fifth national championship in 2015. Now theyre hoping Tatum and fellow first-year players Harry Giles, Javin DeLaurier, Marques Bolden and Frank Jackson can do it again.The road to Arizona in April for the Final Four starts now, with that freshmen class getting acclimated to college and meshing with a solid group of returners led by third-team AP All-American Grayson Allen and sixth-year forward Amile Jefferson.Those guys have welcomed us with open arms, and theyre like our new big brothers, Tatum said. They have so much experience just being at Duke -- not just basketball, but the off-the-court things, how to get to classes and where to get food and just small things like that. Theyve been very welcoming with (me) and the rest of the freshman class. Our bond has gotten so much stronger and it will keep getting stronger through the rest of the summer.Tatum has some strong basketball bloodlines, but his family situation is atypical: His father coached against him throughout his high school career.Tatum aveeraged 29.dddddddddddd5 points and nine rebounds -- scoring at least 40 points six times -- while leading Chaminade High to a Missouri state championship as a senior. The path to that title led through Christian Brothers College high school -- and coach Justin Tatum.Justin Tatum says Pops got the best of his son only once -- when he was a freshman.Its like me and him are Siamese twins, Justin Tatum said. I have to coach against him, to prepare and just to see the attention that it brings, seeing him on the opposite team for the first time, its tough. But to see him not back down because he was never taught to back down ... that gave me a special feeling, too, that my son is going to challenge anyone whos across from him.He says the sport was embedded in him from the jump because the elder Tatum was playing college ball at Saint Louis in 1998 when Jayson was born, and it was his mother who helped introduce the game to him. By the time Jayson was a fifth-grader, Justin could tell what he described as how special we noticed that he could be on the court.Justin Tatum says his sons recruiting experience was different from his because mine was probably a little more rugged ... I could potentially fit in a lot of peoples program.Jayson, meanwhile, was a consensus top-five recruit in the nation, and, accordingly, was targeted almost exclusively by the sports blue bloods -- Kansas, Duke and Kentucky. He committed to Duke last July, signed with the Blue Devils in the fall, arrived on campus over the summer and immediately began working on bonding with his new teammates.Weve just gotten so much closer over this short period of time since weve been here, Tatum said. I think it will take us a long way. ' ' '