Australia are the most successful team in the sport of cricket. They have dominated every opponent in Tests and ODIs and known as World Champions. But in T20 cricket, they started very slowly. It took Australia 15 years to win their maiden T20 World Cup title. They did it in 2021 in the UAE beating New Zealand in the final.
Australia played the first ever T20I game, which took place on 17 February 2005 against New Zealand at Eden Park. They won that game comprehensively. Since then, this team has registered a number of one-sided wins in the T20 cricket. In this article, we will talk about the biggest T20I wins by run margin for Australia in history.
Biggest Win Margin in T20 for Australia
| Margin | Target | Against | Venue | Date |
| 134 runs | 234 | Sri Lanka | Adelaide | 27 Oct 2019 |
| 107 runs | 197 | South Africa | Johannesburg | 21 Feb 2020 |
| 100 runs | 230 | Zimbabwe | Harare | 3 Jul 2018 |
| 97 runs | 194 | South Africa | Cape Town | 26 Feb 2020 |
| 95 runs | 210 | South Africa | Brisbane | 9 Jan 2006 |
| 94 runs | 169 | Pakistan | Dubai (DSC) | 10 Sep 2012 |
| 85 runs | 264 | Sri Lanka | Pallekele | 6 Sep 2016 |
| 84 runs | 196 | England | Sydney | 2 Feb 2014 |
| 81 runs | 169 | Sri Lanka | Bridgetown | 9 May 2010 |
| 77 runs | 222 | England | Sydney | 9 Jan 2007 |
3. Australia (100 runs) vs Zimbabwe in July 2018
Australia registered their third Highest win-margin in the 20-over cricket in July 2018 over Zimbabwe in Harare. The Australian team were involved in a tri-series with Pakistan and Zimbabwe and it was the third game of the tri-series. This game saw insane batting from skipper Aaron Finch, who registered the highest T20I individual score. It started with Zimbabwe winning the toss and asking Australia to bat first.
Australia recorded the biggest opening partnership in the shorter format. Both openers added 223 runs in 19.2 overs. D’Arcy Short played a supporting role in the partnership and made 46 off 42. But on the other hand, Finch made history. He scored a 50-ball century and made 172 off 76 balls, with 16 fours and 10 sixes. Australia made 229/2 and restricted Zimbabwe for 129/9 to win the game by 100 runs.
2. Australia (107 runs) vs South Africa in February 2020
The second biggest win margin for the Australian team came when they toured South Africa for three T20Is in February 2020. It was the first game in Johannesburg, and the hosts won the toss and decided to field first. Australia didn’t have any batters in the first inning who scored a fifty. But they had some good contributions in the middle.
Aaron Finch (42 off 27), Steven Smith (45 off 32), Alex Carey (27 off 22) and Ashton Agar (20* off 9) made some quick contributions. Australia reached a tough total of 196/6 in the first inning in their full quota of 20 overs. In response, the Proteas had a horrible batting performance. Faf du Plessis was their top scorer with 24 runs. They lost all ten wickets in 14.3 overs for 89 runs. Australia won that game by 107 runs.
1. Australia (134 runs) vs Sri Lanka in October 2019
Australia’s biggest win in their cricket history in T20Is came when Sri Lanka came for a three-match T20I series in October 2019. This was the first game at the Adelaie Oval in the series. Batting first, Australia got off to a dream start, with both openers adding 122 runs in just 10.5 overs. Skipper Aaron Finch got out after scoring 64 off 36 balls. After that, David Warner added another 107-run partnership with Glenn Maxwell.
Maxwell scored a quick 62 off 28, including seven fours and three sixes. On the other hand, Warner played until the end and struck his maiden T20I century. He made 100 not out from 56 balls, including 10 fours and four sixes. Australia posted a huge total of 233/2 in 20 overs. It was a mountain to climb for the Sri Lankans, but they failed. They only managed 99/6 and lost the game by 134 runs.