Championnat de République tchèque de football
In January 2005, Yonov signed for Czech club 1. SC Znojmo. In December 2009, Yonov was named Znojmo Sports Person of the Year. He became an integral part of the Znojmo side, captaining the team in their promotions to the Czech 2. Liga in 2010 and to the Gambrinus Liga in 2013.