The Australian Women's Indigenous team have beaten Vanuatu by a convincing 55 runs in the third match of their four T20 series against the Pacific hosts.

The win secures a series win for the Australian side, with the final match in the series to be played on Tuesday.

Australia 3-136 defeated Vanuatu 7-82 by 55 runs

The visiting Australians posted a series-high 3-136, largely thanks to an unbeaten half-century from captain Hannah Darlington.

The proud Kamilaroi allrounder was the constant in the Australians innings, scored 72* from just 54 balls, an innings which included eight boundaries.

Darlington was well supported Waanyi Ganggalida top order batter Grace Adby (23 from 31), with contributions also coming from the bat of Wiradjuri, opener Callee Black (14 from 13) and Kunja allrounder Mikayla Hinkley (14 from 15).

(Image: supplied, Cricket Australia)

Alvina Chilia (1-16), Nasimana Navaika (1-19) and Rachel Andrew (1-28) shared the wickets for Vanuatu.

In response Vanuatu could only muster 7-82, with openers Rachel Andrew (23 from 28), and Alvina Chilia (25 from 37) the only batters to register double figure scores.

Darlington utilised seven bowlers in Australia's successful defence, with Kaurareg spinner Christina Coulson (2-10 from 4) the pick with the ball.

Clodagh Ryall (1-9), Charlotte Toohey (1-13) and Grace Abdy (1-18) also picked up wickets for Australia

Australia 6-105 defeated Vanuatu 9-73 by 33 runs

In a lower-scoring affair two days previous, Australia posted a modest 6-105 on the back of 41 (47) from Jawoyn opener Ella Hayward.

Five Australian batters reached double figures, with Callee Black contributing 12 (14) and 12 each coming from captain Darlington, Mikayla Hinkley and Veronica Keen.

Selina Soloman was dominant with the ball for Vanuatu, taking 3-23 from her four overs, with Vicky Mansale (1-17), Nasimana Navaika (1-20) and Rachel Andrew (1-22) also in the wickets for the home side.

Australia restricted Vanuatu to 9-73 in reply, with Clodagh Ryall (3-11 from 4) the best with the ball.She was well supported by spinners Ella Hayward (2-2) and Christina Coulson (2-6), with Dharawal medium pacer Taleha Urszulak (2-17) also picking up two wickets.

A bleak batting scorecard for Vanuatu saw only Rachel Andrew (13 from 25) and Vicky Mansale (14* from 24) reach double figures.

Australia 8-97 defeated Vanuatu 8-79 by 19 runs

Australia were also successful in the opening match between the two sides, prevailing in a low scoring affair to open the series.

After being sent in to bat by the hosts, Australia managed 8-97 with captain Hannah Darlington top scoring with 34 (29).

Only Grace Adby (15 from 31) and Mikayla Hinkley (11 from 13) made double figure scores, with the young Australian batting lineup struggling to acclimatise to the foreign conditions.

Selina Soloman (2-12 from four) led Vanuatu with the ball, with Ieimauri Chilia (1-15) and Rachel Andrew (1-21) also amongst the wickets.

Andrew (22 from 24) and Nasimana Navaika (10 from 31) started the chase positively for Vanuatu, combining in a 31-run opening stand.

However after the dismissal of top scorer Andrew the home side struggled to maintain momentum in the chase, a steady flow of wickets seeing the chase fall 19 runs short.

Ella Hayward (2-10 from 4) was Australia's only multiple wicket taker, with Anita Silva (1-7 from 2), Christina Coulson (1-9 from 3) and Clodagh Ryall (1-10 from 3) also taking wickets.

The final match in the series will be played at the Vanuatu Cricket Ground in Port Vila on Tuesday.