Background
Tarnowski was born in Mogilno.
Tarnowski was born in Mogilno.
His career began in Unia Janikowo. In 2002 he moved to Amica Wronki, but usually he played in reserve team In 2007 he became a player of Jagiellonia Białystok, but he played only two matches there.
In 2009 Tarnowski was transferred to Zawisza Bydgoszcz.
Since 2011, he is player of Chojniczanka Chojnice (3rd level). Tarnowski represented Poland while 2002 Union of European Football Associations European Under-17 Football Championship and 2004 Union of European Football Associations European Under-19 Football Championship.