In 2005, Basso moved on to the Tippeligaen side Viking, where he enjoyed a good spell, the highlight of which was his impressive performance in the shock 1–0 home victory over Ligue 1 giants Monaco in the 2005–06 UEFA Cup group stage.
Basso made the switch to Viking in 2005, and it was during this period that he had a notable run, which reached its peak with his impressive showing in the 1–0 home triumph over Monaco, a top-tier Ligue 1 team, in the 2005–06 UEFA Cup group stage.