The win sees Staale Solbakken's troops take an unassailable 13-point lead at the top of the table.

Marcus Allback scored the only goal of the game on 33 minutes, although Copenhagen's celebrations were tempered by the dismissal of Tobias Linderoth after 74 minutes.

FC Midtjylland stay second after they picked up a 1-0 against lowly Viborg.

Substitute Claus Madsen scored the only goal of the night on the hour mark.

Vejle gave their chances of avoiding the drop a shot in the arm with a 3-0 victory at home to Esbjerg.

Ulrik Balling opened the scoring on 50 minutes, while a Pablo Pinones-Arce brace (53 and 58), the latter from the penalty spot, ensured Vejle move to within four points of third-bottom Viborg.

Rock-bottom Silkeborg's hopes of avoiding the drop suffered a hammer-blow when a 90th-minute strike by Mads Rieper salvaged a point for visiting AC Horsens.

Jens Berthel Askou had opened the scoring for the hosts after 31 minutes.

Elsewhere, Odense BK pulled clear in third place after a 2-1 win at Randers.

Issah Ahmed opened the scoring for the hosts with a goal a minute before the interval, but a second-half fightback saw OB claim the points thanks to strikes by Jonas Troest (67) and Oliveira Bechara (80).

Finally, AaB remain in fourth place after a 1-1 draw at home to FC Nordsjaelland.

Fredrik Winsnes (20) opened the scoring for the hosts, but Johnny Lundberg drew Nordsjaelland level 10 minutes into the second period.