Chennaiyin FC thrashed defending champions Atletico de Kolkata 3-0 in the first leg semi-final of the Indian Super League in Pune yesterday. Bruno Pelissari, Jeje Lalpeklhua and Stiven Mendoza scored for Chennaiyin FC. In the two editions of ISL, Chennaiyin are the first team who have won five straight matches. The comprehensive victory by Chennaiyin means that Sourav Ganguly co-owned Atletico de Kolkata will have to win by a clear 4 goal margin to enter the title round.