Career
He started his career in Shumen before moving for PFC Svetkavitsa. His contract with Chernomorets Burgas was mutually terminated in June 2013. On 25 November 2013, Tsonkov opened the scoring for Neftochimic Burgas in an A PFG match against CSKA Sofia with a long distance effort.
His goal was eventually recognized as the goal of the year.