The squad had their last training session in the northern province of Hung Yen on July 31 before leaving for My Dinh Stadium in Hanoi on August 1.
After light warm-up exercises, head coach Park Hang Seo divides the team into 2 groups for a practice match.
Defender Trong Dai rolled his ankle while doing warm-up exercises.
It is not a serious injury but Dai must take a few days of recovery, greatly affecting his chances of playing at Asian Games (ASIAD) 2018.
Head coach Park Hang Seo divides the team into 2 groups: one for attacking and one to defend.
Many key players are in the attacking group, including Anh Duc, Cong Phuong, Xuan Truong and Xuan Manh.
There is a dispute between Van Toan and goalkeeper Van Lam.
Vietnam’s Olympic team arrived at My Dinh Stadium in Hanoi on August 1 to prepare for the Vietnam Football Federation (VFF) U23 International Championship - Vinaphone Cup 2018.