Zlatan Ibrahimovic scored twice as Inter Milan's march towards the Serie A title remained firmly on track with a 2-1 win at Ascoli.
The Sweden international put Inter ahead after 66 minutes and doubled their advantage eight minutes later.
Massimo Bonanni pulled one back from the penalty spot in the final minute for the rock-bottom hosts but they had no time to find an unlikely equaliser.
Inter, who have yet to lose in Serie A this season, are now 18 points ahead of second-placed Roma following the Giallorossi's goalless draw at Fiorentina.
Lazio remained third after a 3-1 win over Empoli. Goran Pandev, Tommaso Rocchi and Christian Manfredini scored their goals.
