New Delhi [India], March 1 (ANI): India will lock horns against Denmark in the Davis Cup World Group-I Play-Offs tie starting March 4 here at the Delhi Gymkhana Club and the most mouthwatering encounter is going to be the doubles tie where India's doubles player Rohan Bopanna will be facing Denmark team's captain Frederik Nielsen in the men's doubles match who is a Wimbledon 2012 men's doubles champion.