Linköping came out strong from the start and took the lead with 2-0 after the first period.
After a goalless second period and stuffed animals rain, Robert Lantosi was able to counter in his second goal of the match - 3-0 to Linköping.
With just over a minute left of the third period, the LHC's Marcus Högberg was sent off for tripping.
Leksand took out the goalkeeper, but instead of a reduction, Benjamin Maxwell was able to put the final score 4-0 in the empty net.
After Brynäs beat Oskarshamn 2-1 after overtime, Linköping and Brynäs now have the same points, but Brynäs is currently in the last playoff spot for the Swedish Championship play-offs on a better goal difference.