"Inter Milan" has extended the series without defeat in the Italian championship to 16 games.
Simone Inzaghi's team beat "Empoli" (3:1) in the 21st round.
The reigning champions lost for the first and last time against AC Milan on September 22. Since then, they have won 12 and drawn 4 in Serie A.
"Inter" will host "Leche" in the next round.
