The 17-year-old former child actor has a venomous serve, powerful groundstrokes and bundles of confidence.
But he played the superior groundstrokes and won the points that mattered to ultimately triumph.
She has a 100mph plus first serve, solid groundstrokes and an on-court maturity that belies her years.
The American made the mistake of trying to trade groundstrokes with Sanchez-Vicario and the effect was humbling.
Serena's powerhouse serves and accurate groundstrokes rarely gave Venus room to move.
The cacophonous reception provided by the partisan Australian crowd seemed to unsettle him, the pressure plus his own adrenaline forcing him to overhit his groundstrokes.
But the match turned suddenly when Pierce began hitting groundstrokes out.
Garcia-Lopez finally found an element of consistency at the beginning of the third set and had Murray scampering all over the court to retrieve a series of well-placed groundstrokes.
Even with her inability to find the range on her groundstrokes, Davenport managed to claw back to 4-3 before Hingis closed out the first set, despite giving the second seed several shots after weak second serves.
Along with the venomous groundstrokes, Nadal's ability to retrieve lost causes kept Djokovic under constant pressure and a seventh break of his serve enabled the defending champion to establish a 2-0 lead in the third set.
Under the barrage of Nadal groundstrokes errors began to creep into Djokovic's game and a double fault in the second set's opening game once more ensured the Serbian was chasing his tail as he fell 2-0 behind.
The reality was that Murray barely had a sniff of a chance in the entire two hours and 16 minutes, a single break point illustrating how much he struggled to handle Berdych's powerful serving and heavy groundstrokes.
"When you look at groundstrokes and all parts of the game, there is not a weakness in Novak Djokovic's technique, movement and recovery, " added Bollettieri, referring to Serbia's 2012 Australian Open champion -- who Federer beat in Friday's semifinals.
The reason: All four of the top American hopes possess serves and groundstrokes which are strong enough to be weapons on any surface, and the slow, high bounce on clay brings the ball into their hitting zone with sufficient time for them to set up their shots.
Federer was increasingly forced into mistakes as he tried in vain to finish off the rallies quickly, with Murray finding a consistent depth with his groundstrokes and scrambling brilliantly, and after an errant call denied the Swiss at 1-2 and break point down, he then hammered a forehand into the tramlines on the replayed point.
BBC: Andy Murray beats Roger Federer to win Shanghai Masters
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