The Danes, who were frustrated by the well organised Irish in a scrappy goalless first leg in Copenhagen, fell behind to a Shane Duffy header after seven minutes but soon struck back.
Denmark becomes the 30th team to clinch a 2018 World Cup berth. The other 2 spots will be clinched tomorrow (Australia-Honduras & Peru-New Zealand). pic.twitter.com/bhlVoMfK7A— ESPN Stats & Info (@ESPNStatsInfo) November 14, 2017
The visitor scored twice in three minutes when Andreas Christensen's stabbed effort on the half-hour hit the post and went in off Ireland's Cyrus Christie and that was quickly followed by a superb strike from Eriksen.
Hat-trick hero! ⚽️⚽️⚽️pic.twitter.com/fw656QlR5L — European Qualifiers (@EuroQualifiers) November 14, 2017
Ireland tried to regroup but were easily picked off on the counter attack as Eriksen curled in his second, this time with his left foot, after 64 minutes, and completed his treble 10 minutes later before Nicklas Bendtner added a late penalty. RESULT Ireland 1 (Duffy 6) Denmark 5 (Christensen 29, Eriksen 32, 63, 74, Bendtner 90-P) Denmark won 5-1 on aggregate
Denmark qualify for their fifth World Cup. It will be the first World Cup finals to feature three Nordic nations. ??????— Kristian Jack (@KristianJack) November 14, 2017