As of the latest available information, particularly from engaged Chelsea fan communities and news analyses, there isn't a recorded match where Djurgården faced Chelsea in an official competition.

Contextual Clarifications:

1. Chelsea FC Overview:
   • Chelsea FC is an English professional football club based in London. It competes in the Premier League, the highest tier of English football.
   • The club is renowned for its significant fanbase, media presence, and competitive performances both domestically and in European competitions.
2. Djurgårdens IF Overview:
   • Djurgårdens Idrottsförening, commonly known as Djurgården, is a sports club from Stockholm, Sweden. Its football team competes in the Allsvenskan, the top tier of Swedish football.
3. Possible Reasons for Mention:
   • Sometimes, friendly matches or pre-season games between teams from different leagues are arranged, but these do not always receive the same coverage as competitive matches.
   • Rumors, hypothetical match-up analysis, or discussions in fan forums can lead to mentions of such match-ups, even if they haven't occurred.

For further details, checking the latest news from reputable sports news outlets or fan forums dedicated to Chelsea FC may help clarify any scheduled or hypothetical matches discussed in recent publications or fan speculations.