Despite both sides enjoying spells of domination in the first half, chances were difficult to come by early on at the Etihad Stadium.
© PA Photos
The Premier League champions finished the half the better of the two sides, with Aleksandar Kolarov firing wide from distance.
© AP Photos
Wigan continued to threaten in the second period and were unlucky not to take the lead when Maloney created space for himself inside the box but his effort was cleared by Joleon Lescott.
Man City enjoyed more possession as the match progressed but Hart was once again tested when substitute Callum McManaman fired a shot at the England goalkeeper.
Wigan seemed to be closing in on a crucial point in their battle against relegation but Tevez ended hopes of a positive result for the Latics when he beat two defenders before drilling the ball into the top corner seven minutes from time.