[1] A host of Dolphins missed the event and World Championship selection due to injury, including 2020 Olympian Chelsea Hodges who required surgery to repair torn cartilage in her right hip.

[2] William Yang also missed the event after undergoing surgery to remove a benign tumour in his spinal canal.

[3] Breaststroker Jenna Strauch is another withdrawal from the event having not overcome a knee injury, while Zac Incerti will not compete after having commenced a shoulder rehabilitation program.

Bianca Crisp, Kai Taylor and Jack Wilson are set to make their Dolphins debut in Fukuoka.

The first and second placed swimmers in the open final of any individual Olympic event will be selected provided they meet qualification times set out below by Swimming Australia.