Inter Milan restored the two-point gap between themselves and Serie A leaders Juventus after thrashing Torino 3-0 at the Stadio Olimpico.
Lautaro Martínez opened the scoring after 12 minutes before Stefan de Vrij doubled the lead in the 32nd minute.
Romelu Lukaku rounded off the scoring with his ninth league goal of the season on 55 minutes.
Napoli's resumed Serie A action with a 1-1 draw away to AC Milan on Saturday evening.
Hirving Lozano gifted Carlo Ancelotti's side the lead on 24 minutes with his second league goal of the season.
However, Giacomo Bonaventura netted what proved to be the final goal of the game in the 29th minute as the encounter finished all square.
The point leaves Napoli in seventh spot, 15 points behind league leaders Juventus.