 Filipov played during the -0-2 away win over Lokomotiv Plovdiv, 2-0 home win over CSKA Sofia and the 0-0 draw during the visit to Ludogorets Razgrad.On 9 February 2018 Filipov returned to Botev Plovdiv.Filipov made his debut for Bulgaria U21 on 11 October 2008 in a friendly match against Greece U21.