Inter Milan went four points clear at the top of Serie A with a win over Juventus that was decided by a Federico Gatti own goal.
A cross from the right bounced off Gatti's chest in the 37th minute to put Inter ahead.
Federico Dimarco's low ball behind the defence put Inter's Marcus Thuram through on goal but he was denied by a last-ditch tackle from Gleison Bremer.
Inter have a game in hand over second-placed Juve and third-placed AC Milan.
The visitors to the San Siro had their chances, Dusan Vlahovic missing a gilt-edged opportunity for the Bianconeri when a poor first touch let him down following Weston McKennie's pass.
The Serbia striker also attempted an overhead kick from a corner which sailed over the bar.
Nicolo Barella's strike on the volley was brilliantly saved by Juventus goalkeeper Wojciech Szczesny, who also denied substitute Marko Arnautovic late on.
The Nerazzurri are the only side yet to concede a league goal after the 75th minute this season.
Inter, who travel to Roma on Saturday, last won Serie A in the 2020-21 campaign.
BBC