Top Vietnamese player Ly Hoang Nam let his rival DmitriPopko of Kazakhstan come from behind to win 4-6, 6-1, 6-3 in the second roundmatch.
Trinh Linh Giang was defeated 3-6, 3-6 by No 5 Ivan Nedelkoof Russia.
Nam, who was paired with Thai Kittipong Wachiramanowong, wastrounced 3-6, 4-6 by No4 duo Ti Chen of Chinese Taipei and Fajing Sun of Chinain the quarter-finals.-VNA