The Twenty20 matches started at 9am because of the hot conditions, but the heat didn't stop the players from producing some impressive performances.

After winning the toss and batting at the QEO, SA posted 8-112 off 20 overs.

Opener Katie Rowe batted superbly for SA and made 40 off 50 balls, including four boundaries.

Rachel Church (26) and Emma de Broughe (21) ensured SA reached triple figures.

Zoe Britcliffe and Ashlee King took two wickets each for WA.

In reply, openers Gorgia Platten and Zoe Britcliffe gave WA a bright start.

They addeded 55 for the first wicket before Britcliffe fell for 22.

At 1-80 off 14 overs WA looked on track for victory.

However, in the next three overs WA lost 4-5 to be 5-85 with three overs left.

Stephanie Beazleigh (3-11) did the damage with the ball for SA.

WA worked hard to whittle the equation down to eight runs off the final six balls.

Taylah Gregory bowled the final over for SA and WA batters Ashlee King and Olivia Purnell added five runs off the first three balls of the over.

The fourth delivery was a dot ball before WA scampered a single, leaving the equation two runs off the last ball.

King was run out by Rachel Church off the final ball and SA celebrated a one-run win.

Host team Victoria Country opened its account with a six-wicket win over Northern Territory at Dower Park.

Northern Territory's Ruby Strange (37) and Kira Holmes (26) led the visitors 4-107 off 20 overs.

Victoria Country cashed down the total for the loss of four wickets and with 11 balls to spare.

Sophie Van De Heuvel belted seven boundaries in her fine knock of 51, while Lucy Cripps made 29.

Kangaroo Flat's Jasmine Nevins finished six not out off four balls.

ACT/NSW Country edged out Victoria Metro in a low-scoring clash at Eaglehawk.

ACT/NSW Country bowled out Victoria Metro for just 65, with Anika Learoyd, Lara Graham and Allison McGrath taking two wickets each.

ACT/NSW Country looked set for a comfortable win, but a middle-order collapse gave Vic Metro a glimmer of hope.

The ACT/NSW Country tailenders held firm and scored the winning runs with seven balls to spare.

Eve Sheehan, Holly Spencer and Olivia Thomas took two wickets each for Vic Metro.  

Queensland scored a 51-run win over Tasmania at Weeroona Oval.

Queensland opener Charli Knott batted through the innings and made 47 off 54 balls.

Ellie Johnston (27) and Lilly Mills (24) helped Queensland to an imposing total of 5-152.

Amy Smith took 3-26 for Tasmania.

Tasmania batted through its 20 overs and made 7-101, with Emma Manix-Geeves making 21 not out.

Neve Lynch and Emily Vallance were the most successful bowlers for Queensland.

In the final game of round one, NSW Metro was stretched all the way by the Cricket Australia XI.

Chasing the CA XI's score of 5-104. NSW Metro won with just three balls to spare.

CA XI's Ruth Johnston produced the best all-round performance of round one.

Johnston made 44 off 44 balls with the bat and took 3-11 with the ball.

NSW Metro opening bowler Isabelle Afaras had the impressive figures of 3-7 off four overs.

Round two matches will be played this evening.

5pm games - Queensland v South Australia at Weeroona Oval, Cricket Australia XI v Western Australia at Canterbury Park, Victoria Country v NSW Metro at Harry Trott Oval, Northern Territory v ACT/NSW Country at Dower Park.

6.30pm game - Victoria Metro v Tasmania at QEO.

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