Juventus moved 14 points clear at the top of Serie A with a routine victory over second-bottom Frosinone.
Paulo Dybala found the top corner from Cristiano Ronaldo's pass to put the hosts ahead at the Allianz Stadium.
Leonardo Bonucci forced home following a goalmouth scramble, before Ronaldo scored his 21st goal of the season in all competitions.
Federico Bernardeschi was thwarted by Frosinone goalkeeper Marco Sportiello in stoppage time.
Second-placed Napoli face Torino at home on Sunday, reports the BBC.
Massimiliano Allegri's Juventus side travel to Atletico Madrid on Wednesday in the first leg of their Champions League last-16 tie.
