Chennai, January 1 (ANI): The defending champion of the ATP tennis tournament, Stanislas Wawrinka has said the first match of the tournament to be played in Chennai from January 02, would be difficult. Wawrinka, World Number 17, added that one never knows what is in store, so he is focused on the first match of the championship. Indian tennis player, Somdev Devvarman believed it was good preparation for the Australian Open since the conditions were similar. According to the draw for 26 players, Devvarman will encounter France's Eric Prodon in the first round.