[2] Singapore qualified two players based on the Badminton Junior World Rankings.

[3][4] Singapore qualified one gymnast based on its performance at the 2018 Asian Junior Championship.

[7][8] Singapore qualified one sport shooter based on its performance at the 2017 Asian Championships.

[9] Singapore qualified one table tennis player based on its performance at the Road to Buenos Aires (Latin America) series.

[10] Singapore later qualified a male table tennis player based on its performance at the Road to Buenos Aires (Oceania) series.