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World No 2 Novak Djokovic produced a magical display to overcome the ferocious hitting of Argentine Juan Martin del Potro and successfully defend the Shanghai Masters title on Sunday.
The Serbian triumphed 6-1 3-6 7-6 to complete a brilliant fortnight on the Chinese hard courts after he defended his China Open in Beijing last week.
It was the 26-year-old's 20th consecutive win in China.