Victor Osimhen was on target twice as Napoli opened the defence of their Serie A title with 3-1 away win against Frosinone at the Stadio Benito Stirpe on Saturday night.
Morocco midfielder Abdulrahman gave the home team the lead from the penalty spot as early as the seventh minute.
Matteo Politano equalised for Napoli in the 24th minute.
Napoli took the lead for the first time in the game three minutes before the break.