Chesterfield comfortably secured a 2-1 victory against Carlisle, who sit at the bottom of the EFL. The game saw Elliot Embleton, who came on as a substitute in the first half, receive a red card before halftime.
Liam Mandeville and Paddy Madden found the back of the net, bringing the Spireites within four points of the League Two play-off positions, while leaving their opponents trailing by five points at the foot of the table.
In the closing stages, Carlisle managed to score a consolation goal courtesy of Joe Hugill.
Early in the game, Michael Olakigbe attempted a shot that was deflected wide, and Jenson Metcalfe's long-range effort narrowly missed the target.
Ollie Banks tested Gabriel Breeze with a shot that the goalkeeper did well to tip over the bar.
Embleton, who came on in the 29th minute for the injured Sean Fusire, was shown a red card just before halftime for a challenge on Armando Dobra.
Dobra had a powerful shot saved by Breeze, who also denied efforts from the midfielder and Olakigbe shortly thereafter.
Chesterfield's dominance paid off in the 73rd minute when Mandeville scored from close range after Metcalfe's attempt was blocked.
The second goal came as Dobra's shot hit the crossbar, allowing Madden to head in the rebound.
A late goal from substitute Hugill, taking advantage of a mistake from Jamie Grimes, narrowed the gap for Carlisle, but it was of little consolation for the struggling team.