Novak Djokovic overcame a fierce challenge from Juan Martin del Potro on Sunday to defend his Shanghai Masters tennis title with a 6-1, 3-6, 7-6(3) victory, bringing the Argentine down to earth after his heroics against Rafael Nadal.

Del Potro came into the final against the top seed brimming with confidence after his semifinal demolition of the Spanish world no.1 but was immediately on the back foot in breezy conditions at the Qizhong Tennis Center here.

The results (finals): Singles: Novak Djokovic bt Juan Martin del Potro 6-1, 3-6, 7-6(3).

Doubles:

Ivan Dodig & Marcelo Melo bt David Marrero & Fernando Verdasco 7-6(2), 6-7(8), 10-2. — Agencies

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