Elfsborg failed to make its numerical advantage count as it was held to a goalless draw by 10-man GIF Sundsvall.
The draw was enough to move Elfsborg level on points with Allsvenskan leader Hacken, but it was nevertheless an opportunity missed.
AIK failed to make it a three-way tie at the top as it also dropped points in a 2-2 draw at Norrkoping.
The visitor went in front through
AIK then looked to have snatched the win with
Gefle put 10 points between itself at the bottom two with a 1-0 result over Mjallby, courtesy of
A brace from
Real Sociedad coach Philippe Montanier is to leave the Primera Division side at the end of the season after turning down a contract extension, the Basque club has confirmed.