Going into the 2015 ISL season, Chennaiyin retained their head coach, Marco Materazzi, as well as the core of their playing squad with players such as Jeje Lalpekhlua, Balwant Singh, Jayesh Rane, Bernard Mendy, and marquee Elano returning for a second season.

In the first leg of the round, Chennaiyin came out as 3–0 winners after goals from Bruno Pelissari, Jeje Lalpekhlua, and Stiven Mendoza.

[6] Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.