The ACT Open[1] formally known as the Australian Capital Territory Open was a combined men's and women's hard court tennis tournament founded in 1929 as the ACT Championships or Australian Capital Territory Championships.
[2] The tournament was organised by the Canberra Lawn Tennis Association and first played at at the Manuka Tennis Courts, Canberra, Australian Capital Territory, Australia It ran annually until 1968 as part of the ILTF Circuit, then part of the ILTF Independent Tour until 1977 when it was downgraded.
[2] The event was originally played on outdoor hard cement tennis courts.
[3] With the onset of open tennis in 1968 this tournaments status began to decline.
In 1970 the tournament was moved from Manuka to the new Canberra Tennis Centre at Lyneham.