ARINA OPENYSHEVA, 16 (RUS)
Part of a strong Russian contingent competing at the world junior championships, Openysheva may stand at a petite 1.61m, but her explosiveness in the pool cannot be underestimated. The sprint specialist won seven golds at the inaugural European Games in June, and is the top seed in the 100m and 200m freestyle.
Events: 100m, 200m, 400m freestyle
RIKAKO IKEE, 15 (JPN)
In April, Ikee made headlines in her country when she qualified for the Fina world championships in Kazan at the tender age of 14. She is the top seed in the 50m and 100m butterfly events but can also challenge for a medal in the 50m and 100m free.
Events: 50m, 100m freestyle, 50m, 100m butterfly
KYLE CHALMERS, 17 (AUS)
Touted as the next swim king to emerge from Australia, the towering 1.93m Chalmers was part of his country's 4x100m medley relay squad who won a silver at the world championships in Kazan this month.
The teenager with size 15 feet is seeded first in the 50m and 100m free events, and is expected to help his country in the relay events too.
Events: 50m, 100m, 200m freestyle
MICHAEL ANDREW, 16 (USA)
Andrew raised eyebrows when he became the youngest swimmer in the United States to go pro at the age of 14. He currently holds 10 national age group records, and has a gruelling schedule at the Singapore meet, with eight individual events lined up. He is among the top three seeds in all but the 50m breaststroke.
Events: 50m free, 50m, 100m fly, 50m, 100m breaststroke, 50m, 100m backstroke, 200m individual medley
ANTON CHUPKOV, 18 (RUS)
Chupkov won a 200m breaststroke gold at the Youth Olympic Games last year. He can boast two world junior records - the 100m breastroke and 200m breastroke, and will be looking to complete a sweep of the breaststroke events in Singapore.
Events: 50m, 100m, 200m breaststroke