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Napoli beat Fiorentina 1-0 to advance to the Coppa Italia semifinals and extend their unbeaten streak in all competitions to 15 matches on Tuesday.

Jose Callejon used a header to redirect a powerful cross from captain Marek Hamsik and the ball bent back the fingers of goalkeeper Ciprian Tatarusanu midway through the second half.

Napoli, who last won the Cup in 2014, will next face either Juventus or AC Milan, who play on Wednesday in Turin. The Partenopei, who face Real Madrid in the Champions League knockout round, have not lost since falling to Juventus 2-1 on Oct. 29 in Serie A.

Early on, Napoli goalkeeper Pepe Reina did well to stop an explosive effort from Federico Chiesa, Fiorentina's 19-year-old forward.

Three minutes later, Napoli's newly signed forward, Leonardo Pavoletti, wasted a golden chance by shooting high.

And just before the half-hour mark, Napoli forward Lorenzo Insigne hit the crossbar with a free kick.

Insigne was at it again in the 63rd minute but Tatarusanu made a difficult save near the corner of the goal frame on another free kick, before Callejon found the winner.

Both teams ended with 10 men after Napoli's Elseid Hysaj picked up his second yellow in the 90th minute, and Fiorentina's Maximiliano Olivera was handed a second booking in stoppage time.