Kristian Trupković was born on 4 January 1984 in a small town near Karlovac. He discovered his passion for wheelchair tennis during his high school education. Kristijan actively started playing wheelchair tennis in 2010 under the guidance of coach and the director of the tournament “Sirius Open” Bojan Kovač. Even though he lives in Duga Resa, near Karlovac, despite the distance he travels daily to train in Zagreb.
Kristijan has participated in several international and domestic tournaments such as Arcotel – Rezidencija55 Open 2011, Arcotel – Rezidencija55 Open in 2012 and Arcotel – Rezidencija55 Open 2013.
In 2012 he was in 2nd draw finals and in 2013 the victory against Moroccan player in second draw consolation ensured him 593rd place on ITF rankings list.