Marco Hoesli (Zug, SUI) qualified for the 2021 Adelboden International playoffs, dropping their quarterfinals match 5-4 against Sergei Glukhov (Moscow, RUS). of the 2021 Adelboden International in Adelboden, Switzerland;
 
Hoesli finished 4-0 in the 20-team qualifying round. . In their opening game, Hoesli defeated Giacomo Colli (Trentino, ITA) 7-4, then won 5-3 against Lukas Klima (Prague, CZE) and 6-5 against Sergio Vez (Vitoria-Gasteiz, ESP). Hoesli won 6-2 against Noe Traub (Lausanne, SUI) in their final qualifying round match.
 
. For week 6 of the event schedule, Hoesli did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Hoesli ranks th overall on the Year-to-Date rankings with points earned so far this season.