Softball associations soon formed in all three states, and in 1947 Queensland issued invitations for the first interstate championship in Brisbane. The Australian Women's Softball Council (now Australian Softball Federation, or ASF) was formed at the second interstate softball championships in Melbourne.

Today, championships are played at both state and national level each year for Open Women and Men; Under 23 Women and Men; Under 19 Women and Men; Under 16 Girls and Boys; and Masters teams. The championships are held in each State in rotation, and include: the Mack Gilley Shield; the Elinor McKenzie Shield; the Esther Deason Shield; the John Reid Shield; the Nox Bailey Shield; and the women's national club championship.

The Australian Softball Federation affiliated with the International Softball Federation in 1953. Australia hosted and won the first Women's World Softball Championships in Melbourne in the mid-sixties. By 1990, twenty-one nations were playing in the world championships, now known as the 'world series'. Softball was introduced as an Olympic sport - for women's teams only - at the Atlanta Games in 1996. Australia's Open Women's team won bronze that year, followed by a second bronze in Sydney (2000), and silver in Athens (2004). Australia has not won a women's world championship since the inaugural championship in Melbourne, but its Women's team is nonetheless ranked third in the world. Australia's Men's team is also ranked third in the world, and Australia is currently 'the world's best softball nation', according to Softball Australia.

Today, an estimated 20 million people are playing the game worldwide, and 150,000 are playing the game across Australia. No less than 127 national associations now make up the International Softball Federation.

Sources used to compile this entry: Vamplew, Vray; Moore, Katharine; O'Hara, John; Cashman, Richard; Jobling, Ian (ed.), The Oxford Companion to Australian Sport, Revised Second edn, Oxford University Press, Melbourne, 1997. Narelle Stafford and Pauline Harvey, p. 388.; http://www.softball.org.au.