Alvik's giant Klara Lundquist accounted for a full 28 points in the home meeting with Norrköping.
She scored seven two-pointers, one three-pointer and scored eleven penalty throws.
Now Lundquist is second, after Jessica Kelliher, the league's scorer.
Prior to the meeting with Alvik, Norrköping had not lost since 21 January.
And the team traveled to Stockholm with six straight victories.
Tonight, however, it stopped.
Alvik won 73-71 (23-14, 13-24, 19-19, 18-14).
With one round left, Norrköping is in fourth place and Alvik is still in the league lead.