Karasevdas was just 19 years old when he competed at the 1896 Summer Olympics, he entered three shooting events, in the 200 metre military rifle, he won by a huge margin, scoring 2,350 points and hitting the target with all 40 shots, he also competed in the 300 metre free rifle event, placing fifth with a score of 1,039 out of 20 official starters, and in his other event the military pistol event, Karasevdas abandoned the competition after firing two of the five strings of six shots.