Inter Milan came back from two goals down for a 4-3 victory at Como on Sunday and extended their Serie A lead to nine points with six rounds remaining.
Marcus Thuram and Denzel Dumfries each had a pair of goals for Inter, who took advantage of second-place Napoli being held 1-1 at Parma earlier to increase their advantage.
Alex Valle and Nico Paz scored for Como late in the first half before Thuram started the comeback with a goal in first-half added time.
Lucas Da Cunha pulled one back with a penalty for Como in the 89th.
The teams will met again in the second leg of the Italian Cup semifinals later this month after a 0-0 first leg.
It was another encouraging sign for Inter after a 5-2 victory over Roma last weekend ended a three-match winless streak.
Cristian Chivu is attempting to win Serie A during his first season in charge at Inter after replacing the departed Simone Inzaghi.
Como dropped from fourth to fifth and just outside the Champions League places.
Napoli conceded a goal after 33 seconds in a draw that may end their chances of successfully defending the Serie A title.
Scott McTominay equalized on the hour mark for Napoli after Gabriel Strefezza scored early on with a play that began with a long ball from Parma goalkeeper Zion Suzuki.
The result ended a five-match winning streak for Napoli.
Parma moved nine points above the relegation zone to 14th place.
Earlier Sunday, Bologna beat Lecce 2-0 with goals from Remo Freuler and Riccardo Orsolini and Genoa beat Sassuolo 2-1 with goals from Ruslan Malinovskyi and Caleb Ekuban.
Information from The Associated Press was used in this story.
