Dat won a gold medal at the 19th Asian Games held in Hangzhou, China, last October. He was first in the men's 100m SB5 breaststroke event in a time of 1min 34.04sec.

He was four times on top podium of the 12th ASEAN Para Games last May in Cambodia.

His time was among world's leading group and was better than the Minimum Qualification Standard.

Hai who came 1.07sec after Dat in the men's 100m SB5 breaststroke also secured his own spot.

Earlier, he pocketed three golds, one silver and three bronzes from the Cambodian Para Games.

It will be Haai's third Paralympic in a row after he took part in the Rio de Janeiro 2016 and Tokyo 2020. Meanwhile Dat will enjoy his first time at the global largest sporting festival for the people with disabilities.