Häcken delivered yet another crushing defeat against Dudelange, in the return match at Bravida Arena on Hisingen.
The match ended 6–1 in favor of the home team, which is clear for the European Conference League's third qualifying round.
Jeremy Nosakhare Agbonifo and Srdjan Hrstic each scored two goals.
It was the away team that took the lead in the fourth minute, but they failed to build on that momentum. Instead, Häcken turned the tables and scored six goals in a row.
Dudelange also had a player sent off in the first half after Vincent Decker committed a high tackle on Jeremy Agbonifo.
In total, it was 12–3 in favor of Häcken in the double match against Dudelange from Luxembourg.