He also regularly employs a number of unconventional techniques, such as the chop block, which contribute to his creative playing style.

In 2017 and 2018 he was junior vice world champion and was allowed to take part in the 2018 Summer Youth Olympic Games in Buenos Aires, where he was able to reach the quarter-finals in an individual competition.

With the Serbian Sabina Šurjan, he reached the game for the bronze medal in the mixed competition, where they were subject to the representation of Taiwan, Su Pei-ling and Lin Yun-ju.

From 2018 he took part in adult tournaments with increasing frequency, notable successes being winning the bronze medal at the 2018 World Cup and the 2019 European Table Tennis Championships.

At the 2024 Summer Olympics, Möregårdh won the silver medal, defeating the top-ranked Wang Chuqin in the round of 32 of the Men's singles but ultimately losing the final to Fan Zhendong.