The world number 14 Indian had to share the spoils against his higher-rated Russian counterpart after a long and hard fought match which lasted a total of 40 moves.
From the initial stages of the match, Sergey wanted to catch the Indian by surprise, but the Hyderabadi lad handled the situation tactfully and led the game towards neutral territory.
Both the players, with time ticking by, had to settle for a draw at the end of day one.
At the end of the day's action, Harikrishna was on the fifth position at the points table.