Nam, ranked No. 634 by the ATP, handily blunted the power of Changwei, ranked No. 1,607, in two sets 6-1, 6-4 in the first round.
In the second round, Hoang Nam will play Petrovic Danilo from Serbia, who stands at No. 326 in the ATP ranking.
Meanwhile, in doubles play, Hoang Nam and Chinese player Sun Faijing are getting ready to square off with the Chinese duo of Wang Aoxiong - Wu Hao in the first round.
VOV