[1] Konrad Badacz gained international experience at the 2020 Youth Olympic Games in Lausanne but missed out on top-10 finishes due to shooting errors.

[2] He later participated in the 2020 Youth World Championships, achieving a sixth-place finish in the relay event.

By the end of the season, he won a gold medal in the relay event at the 2021 Youth World Championships with teammates Jan Guńka and Marcin Zawół.

[3] In the winter of 2021/22, Badacz competed in the IBU Junior Cup, winning a race with the men's relay team in Martell.

After several placements outside the top 60, he improved significantly in the sprint event in Oberhof, finishing 35th and earning his first World Cup points.