 He then refereed a UEFA Cup second round match between Litex Lovech and Union Berlin at the end of October 2001.In 2008, Jakobsson was named as a fourth official for UEFA Euro 2008, He officiated his first Champions League group stage match on 26 November 2008, taking charge of Shakhtar Donetsk's 5–0 home win over Basel.This made him the first Icelandic referee to officiate in the UEFA Champions League.