Bjorn Jungen (Bern, SUI) lost 6-3 to Yves Stocker (Glarus, SUI) in the Final of the Adelboden International, held September 2 - 5, 2021 in Adelboden, Switzerland. To advance to the championship game, Jungen won 6-5 over Andrin Schnider (Schauffhausen, SUI) in the semifinals of the 2021 Adelboden International in Adelboden, Switzerland; and won 7-4 over Luca Rizzolli (Trentino, ITA) in the quarterfinals. of the 2021 Adelboden International in Adelboden, Switzerland;
 
Jungen finished 3-1 in the 20-team qualifying round. . In their opening game, Jungen lost 7-5 to Sergei Glukhov (Moscow, RUS), then responded with a 8-5 win over Jan Iseli (Solothun, SUI). Jungen won 9-3 against Christian Heinimann (Basel, SUI), then won 6-2 against Bart Klomp (Zoetermeer, NED) in their final qualifying round match.
 
. For week 6 of the event schedule, Jungen did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Jungen ranks th overall on the Year-to-Date rankings with points earned so far this season.