Victor Osimhen was among the goalscorers as Napoli defeated Crystal Palace 3-1 in a friendly in Turkey on Sunday.
Wilfred Zaha gave Crystal Palace the lead with an angled drive after 33 minutes.
Moments later, Osimhen drew level with a spectacular effort, flicking the ball in the air over the head of Will Hughes before firing home from a tight angle.
Giacomo Raspadori scored twice for Napoli in the second half.
Osimhen is the leading scorer in Serie A with nine goals.
Napoli are also top of the league standings on 41 points from 15 matches, eight points clear of defending champions AC Milan.