The Vietnamese player, who is seeded No 3, took only 72 minutes to win his singles match.
He will next play Bogdan Bobrov of Russia who won 6-2, 6-4 over American Nicholas Bybel in another match yesterday.
Today Nam will play the second round match of the doubles event.
He is paired with Spanish partner Carlos Boluda-Purkiss and will face wildcard holder Shanmugam Abhinav Sanjeev and Sunish Dhruv, of India.
The US$15,000 tournament on hard court will wrap up on March 10.