Petar Majstorovic (born 5 February 1975), is a Swiss karateka and kickboxer.
He was a two-time World Kickboxing Network (W.K.N.)
[3] Majstorović's karate record is 45 wins and six losses out of 51 fights.
[4] In 2009, he registered Petar Majstorovic K Gym as a private business in Bern.
[5] In 2004, Majstorović was suspended for 2 years for his refusal to submit a sample at a kickboxing event in Switzerland.