[1] Romanov is a product of CSKA Sofia's Academy having joined the club at the age of 7.

He was a part of the side that won the 2007 Bulgarian Under-19 Championship, beating Levski Sofia on penalties in the final.

On 12 November 2008, he made his professional debut in a Bulgarian Cup match against Balkan Botevgrad, replacing Rui Miguel at half time.

[4] In July 2009, Romanov signed with newly promoted B Group side Botev Vratsa.

Romanov scored his first goal two weeks later, netting the fourth in a 4–0 home win against Kaliakra Kavarna.