Sydney siblings Kevin and Celina Yuan have snared gold and silver in golf’s first foray into the Olympics, at the Australian Youth Olympic Festival (AYOF).

Kevin Yuan, 15, finished 18 under par to secure gold in the final round of the AYOF individual golf competition at the Twin Creeks course in Sydney’s west, on Sunday.

His 13-year-old sister, Celina, followed with a silver medal behind Britain’s Georgia Hall, finishing four under par.

It’s the biggest competition the amateur duo have played but they remain humble about their performance.

“It felt good to win. It’s like all of my practice has paid off,” Kevin Yuan told AAP on Sunday.

“It feels good to play golf just for the fun of it, and so all those prizes that come are a bonus.”

The amateurs are a long way away from the Olympic Games but NSW women’s team coach Dennise Hutton thinks they can do it.

“They’ve got the dedication and the drive to get there,” she told AAP.

“It’s going to be difficult because only professionals will make it to the Olympics, but certainly their chances of getting in maybe (post-2016) are very good.”

With golf making its Olympic debut in Rio de Janeiro in 2016, NSW national team coach Khan Pullen says it’s an exciting time for the sport in Australia.

“Hopefully this is a taste of things to come for us,” Pullen said.

“For our sport it’s great exposure … I really think it’s going to open up opportunities and doors for more youngsters to take up our game.”

But it’s going to take more than interest to build Australia’s Olympic medal prospects in golf.

“We’re really lacking in financial resources in the amateur level,” Hutton said.

“Australian amateur golf doesn’t have a lot of money – we are funded mostly by members. China and Korea are putting a lot more money into (the game).

“And we certainly need to get a lot more women to participate in playing golf. The number of women playing golf is diminishing.”

For Kevin and Celina, it’s back to practising up to five hours a day at their local Bankstown golf club.

“I’m trying to beat (Kevin),” Celina said.

“Kevin’s pretty good so if I beat him, I would be probably better than a lot of girls.”