I would say it will not work, you need to show statements/balance for the last 3 months just like they specify on the eVisa application.
This is posted on the eVisa main page website under Family Visa
๐๐ถ๐ป๐ฎ๐ป๐ฐ๐ถ๐ฎ๐น ๐ฒ๐๐ถ๐ฑ๐ฒ๐ป๐ฐ๐ฒ ๐๐ต๐ผ๐๐ถ๐ป๐ด ๐บ๐ผ๐ป๐๐ต๐น๐ ๐ถ๐ป๐ฐ๐ผ๐บ๐ฒ ๐ผ๐ณ ๐ป๐ผ ๐น๐ฒ๐๐ ๐๐ต๐ฎ๐ป ๐ฐ๐ฌ,๐ฌ๐ฌ๐ฌ ๐ง๐๐ ๐ผ๐ฟ ๐ต๐ฎ๐๐ถ๐ป๐ด ๐๐ต๐ฒ ๐ฐ๐๐ฟ๐ฟ๐ฒ๐ป๐ ๐ฏ๐ฎ๐น๐ฎ๐ป๐ฐ๐ฒ ๐ผ๐ณ ๐ฐ๐ฌ๐ฌ,๐ฌ๐ฌ๐ฌ ๐ง๐๐ (๐ฒ.๐ด., ๐ฏ๐ฎ๐ป๐ธ ๐๐๐ฎ๐๐ฒ๐บ๐ฒ๐ป๐๐ ๐ณ๐ผ๐ฟ ๐๐ต๐ฒ ๐น๐ฎ๐๐ ๐๐ต๐ฟ๐ฒ๐ฒ ๐บ๐ผ๐ป๐๐ต๐, ๐๐ฝ๐ผ๐ป๐๐ผ๐ฟ ๐น๐ฒ๐๐๐ฒ๐ฟ)
This is posted on the eVisa main page website under Retirement Visa
๐๐ถ๐ป๐ฎ๐ป๐ฐ๐ถ๐ฎ๐น ๐ฒ๐๐ถ๐ฑ๐ฒ๐ป๐ฐ๐ฒ ๐๐ต๐ผ๐๐ถ๐ป๐ด ๐บ๐ผ๐ป๐๐ต๐น๐ ๐ถ๐ป๐ฐ๐ผ๐บ๐ฒ ๐ผ๐ณ ๐ป๐ผ ๐น๐ฒ๐๐ ๐๐ต๐ฎ๐ป ๐ฒ๐ฑ,๐ฌ๐ฌ๐ฌ ๐ง๐๐ ๐ผ๐ฟ ๐ต๐ฎ๐๐ถ๐ป๐ด ๐๐ต๐ฒ ๐ฐ๐๐ฟ๐ฟ๐ฒ๐ป๐ ๐ฏ๐ฎ๐น๐ฎ๐ป๐ฐ๐ฒ ๐ผ๐ณ ๐ด๐ฌ๐ฌ,๐ฌ๐ฌ๐ฌ ๐ง๐๐ (๐ฒ.๐ด., ๐ฏ๐ฎ๐ป๐ธ ๐๐๐ฎ๐๐ฒ๐บ๐ฒ๐ป๐๐ ๐ณ๐ผ๐ฟ ๐๐ต๐ฒ ๐น๐ฎ๐๐ ๐๐ต๐ฟ๐ฒ๐ฒ ๐บ๐ผ๐ป๐๐ต๐, ๐๐ฝ๐ผ๐ป๐๐ผ๐ฟ ๐น๐ฒ๐๐๐ฒ๐ฟ)
I mean if that's all you have it's all you have, apply with it and if they need more documentation they'll email you a request for additional documentation.
You can post on the Aussie in Thailand f/b page and ask there, those people are dialed in to how both Sydney and Canberra consulates are
********************************************
**********
*****
*****
1/