Sergei Glukhov (Moscow, RUS) run at the 2021 Adelboden International came to an end in the semifinals with a 9-2 loss to Yves Stocker (Glarus, SUI). of the 2021 Adelboden International in Adelboden, Switzerland; Glukhov advanced through the quarterfinals with a 5-4 win over Marco Hoesli (Zug, SUI). of the 2021 Adelboden International in Adelboden, Switzerland;
 
Glukhov finished 3-1 in the 20-team qualifying round. . In their opening game, Glukhov defeated Bjorn Jungen (Bern, SUI) 7-5, then won 6-3 against Christian Heinimann (Basel, SUI) and 8-2 against Bart Klomp (Zoetermeer, NED). Glukhov went on to lose 7-4 against Jan Iseli (Solothun, SUI) in their final qualifying round match.
 
. For week 6 of the event schedule, Glukhov did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Glukhov ranks th overall on the Year-to-Date rankings with points earned so far this season.