Australia beat South Korea to get their campaign at the International Wheelchair Basketball Federation Asia Oceania Championships off to a winning start in Pattaya.
The double Paralympic gold medallists and 2018 World Championship bronze medallists overcame South Korea 58-46 in Division A at the Eastern National Sports Centre.
Iran also began with a victory as they defeated China 64-60 in a hard-fought contest.
In the other match in the top group, Japan thrashed Thailand 64-37.
Four places in the wheelchair basketball tournament at next year's Paralympic Games in Tokyo are on offer at the event in the Thai city.
Australia made a strong start in the top division of the women's event, overcoming Japan 50-33 in their opening match.
Three places at Tokyo 2020 are at stake at the competition, which continues with the next round of fixtures tomorrow.