Must also played the 2008 Olympic Games in men's singles, and was defeated in the first round by Przemysław Wacha, of Poland, 14–21, 15–21. At the 2012 Summer Olympics, he did not qualify from the group round. Winning his group match against Austrian Michael Lahnsteiner with 21-14, 21-18, but losing the other group match against Indonesian Simon Santoso 12-21, 8-21. At the 2016 Rio Olympics he again won a groupsmatch, this time against Brice Leverdez from France with 21-18, 12-21, 21-18. But lost the other groups match against Dane Jan Ø. Jørgensen with 8-21, 15-21 so didn't advance further. For the 2020 Tokyo Olympics Must has been placed by draw in a group with Chen Long from China and Pablo Abián from Spain.