Paul Slowinski was born in Strzegom, Poland and immigrated to Adelaide, Australia in 1996 as a teenager with his mother and brother.

He faced Cătălin Moroşanu at the K-1 World Grand Prix 2012 in Tokyo final 16 on 14 October 2012[1][2] and lost via unanimous decision after visiting the canvas twice in round three.

[3] He defeated Nato Lauui via unanimous decision at Kings of Kombat 8 in Melbourne on 8 December 2012.

[4] Slowinski and Ben Edwards met for the fourth time on 23 March 2013 in Canberra, Australia at Capital Punishment 7.

[7] He lost to Raul Cătinaș by third-round KO at the SUPERKOMBAT World Grand Prix 2013 Final in Galați, Romania on 21 December 2013.