Kalle KoljonenKalle Koljonen (born 26 February 1994) is a Finnish badminton player. In 2014, he won a bronze medal at the European Men's Team Championships in Basel. In 2015, he became the runner up of Slovenia International and won Hungarian International. In 2016, he became the runner-up of Bulgarian International.
BWF International Challenge/SeriesMen's singles
: BWF International Challenge tournament : BWF International Series tournament : BWF Future Series tournament