Career
Tîrnăcop started playing football when he was eight years old at Chimia, a team from his home town, Turnu Măgurele. When he was fifteen, he made his debut in Liga III with another local team, Turris Turnu Măgurele. One year later he joined Rulmentul Alexandria and in 2004 he moved to the Marius Lăcătuș football school.
In 2005 Tîrnăcop wast transferred to Sportul Studențesc where he spent five years before debuting in Liga I in a match against Football Club Timișoara.
In August 2011 he scored his first goal in the first Romanian league against CFR Cluj. At the beginning of 2012 he missed a transfer to the Liga I side, Petrolul Ploiești but in November 2012 he joined Football Club Bihor as a free agent.
In April 2013 was brought at Universitatea Cluj by the manager of the team at that time, Ioan Viorel Ganea, and scored the first goal for his new team in a match against Ceahlăul Piatra Neamț. In September 2014, he signed a contract with Universitatea Craiova.