On September 21, during the Asian Games 20, Vietnam's women's volleyball team faced an unexpected defeat against Indonesia, ending the match with a score of 0-3. This loss places the team in a challenging position as they prepare for their final match to determine their overall ranking between 7th and 8th.

Despite the setback in volleyball, Vietnam's sports delegation celebrated a bronze medal victory in karate, thanks to Nguyen Thi Dieu Ly, who triumphed in the women's kumite 68kg category. The match against Tsubasa Kama ended in a tie of 4-4, but Dieu Ly was awarded the win based on the Senshu rule, having scored the first valid point.

In gymnastics, three Vietnamese athletes advanced to the finals in their respective events. Dang Ngoc Xuan Thien scored 14.300 points on the pommel horse, while Nguyen Van Khanh Phong and Trinh Hai Khang recorded scores of 13.833 and 13.700 in the rings and vault, respectively. However, the men's team finished 7th out of 8 in the qualifying rounds.

The men's 4x200m relay swimming team, consisting of Nguyen Huy Hoang, Tran Hung Nguyen, Nguyen Viet Tuong, and Tran Van Nguyen Quoc, finished fourth with a time of 7 minutes and 18.09 seconds. China claimed the gold medal and set a new Asian record with a time of 7 minutes and 0.17 seconds.

In other events, Vo Thi My Tien placed 9th in the women's 200m individual medley final, preventing Vietnam from securing any medals in swimming thus far. Additionally, Khuat Hai Nam lost 3-9 against Cheng-Chung Shih from Taiwan in the karate bronze medal match. Nguyen Duc Ngoc was eliminated in the boxing qualifiers for the 70kg category, and the beach volleyball teams faced defeats.

As of now, Vietnam sits in 20th place in the overall medal standings of the Asian Games, having earned three bronze medals. In the Southeast Asian region, Vietnam ranks 6th, trailing behind Thailand, Myanmar, Singapore, Indonesia, and Cambodia.

On the first day of competition, Vietnam's athletes participated in several key events, including shooting, swimming, karate, and women's volleyball. The team secured its first bronze medal in mixed doubles teqball, achieved by Nguyen Hoang Minh Tan and Trinh Gia Nghi. Thailand dominated the teqball events, winning three gold medals in men's doubles, women's doubles, and mixed doubles.