The first Aussie medal went to 16-year-old Michaela Ryan, with bronze in the women’s 200m butterfly.

“That was amazing, I was not expecting that at all,” she said, “It was amazing being the first Aussie to be on the podium here in Buenos Aires.”

Queenslander Chelsea Hodges touched in 31.42 in the 50m breaststroke to claim silver with her parents watching on. 

“To come away with silver – I couldn’t ask for anything better,” she said, “My parents are up in the crowd and I know mum’s probably crying.

Kaylee McKeown brought home Australia’s third medal in the 100m backstroke before she had to jump back in the pool to lead the 4x100m medley to silver. Ryan and Hodges were also part of the medley team along with Abbey Webb who had qualified for the 100m final earlier in the evening.

Australia was leading most of the race before China came through at the end to pip them for the gold medal.

Taylor McCarthy-Smith had a successful day on the water winning her two heats to comfortably advance to tomorrow’s quarterfinals.

“I felt really good today, got my first race out of the way, that one's always the worst and came away with a good time and good place going into the next heats as well,” she said.

“I felt even better in my second race and came away with another good time so things are looking good for tomorrow, so I'm excited."

In roller speed skating, Giselle Stogdale finished fourth in her 500m quarterfinal, and combined with her fourth place quarterfinal result in the 1000m to finish 11th overall in the combined event.

Jessica Pickering had an excellent opening day of Gymnastics Trampoline competition, finishing the qualifers in second while equestrian rider Madi Sinderberry teamed up with four other riders from the Australasia region for the International Teams Jumping event, where they sit equal first place after the opening day of competition.

Gold Coast 2018 Commonwealth Games athlete, Victoria Rossiter, easily qualified for the women’s 10m Air Rifle final after finishing fourth in qualification on a score of 624.3. Unfortunately, she was shot out on the first round of the final to finish eighth.

Judo athlete Saskia Brothers won her first fight in the round of 16, before falling to Tunisia and Turkey in the quarterfinal.