There is perhaps nobody more excited to see Steve Smith and David Warner play in the Ashes than Australia's Test No.4 Marnus Labuschagne, even though he could be the one squeezed out to make room for the returning pair.

But Labuschagne has declared he "100 per cent" wants to play in the Ashes and is confident he could play the role as the squad's second spinner behind veteran Nathan Lyon if required.

While Smith and Warner were serving their 12-month bans for their involvement in the ball-tampering plot in Cape Town, Labuschagne made his Test debut in Dubai against Pakistan, was dropped for the start of the home summer against India but found himself back in the top four in the New Year.

The 25-year-old, who averages 26.25 with one half-century in five Tests, is Australia's incumbent No.4 in an inexperienced batting order but come August 1 at Edgbaston for the first Ashes Test, seasoned campaigners Smith and Warner will be back in the top six.

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And Labuschagne is batting right in Smith's preferred position where he averages 74.25 with 10 centuries.

But when asked how he felt about the return of the former leaders and what that could mean for his spot, Labuschagne could only see the upside.

"I think that's amazing for Australian cricket," Labuschagne told cricket.com.au in Bristol on Wednesday after scoring a match-winning 82 for county side Glamorgan.

"I can't wait, if I am part of that squad, to play with some of Australia's greatest players.

"It's great for Australian cricket to have two of the best back in business and I think you can see that in the World Cup, they've just been class throughout.

"Just their experience and their finesse has been excellent."

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While Smith and Warner have been firing for Australia in the World Cup, Labuschagne has been racking up run after run and rolling his arm over for the first-placed Glamorgan in Division 2 of the County Championship.

With 851 runs at 65.46, the Queenslander tops the run charts in Div 2 and has 13 wickets at 34.37, striking every 56.5 deliveries with his leg-spin.

It's his output with the ball that could excite the National Selection Panel, who will be deliberating whether or not to take an extra spinner for the Ashes campaign.

In the 2015 Ashes tour, Victoria leggie Fawad Ahmed joined in the squad Lyon but never played a game.

But in Labuschagne they have a strong batting option who is excelling in English conditions and a leg-spinner who says he has improved since bowling day in, day out with Glamorgan.

And if picked as a batting allrounder tasked with bowling some wrist spin, Labuschagne says he is "definitely" up for it.

"My bowling has come a long way but if that is the role I get in a Test match I'll definitely fulfill that role and make sure I do the job for the team," he said.

"It's good that I've come over here, got used to the conditions, got used to the Dukes ball because it is a little bit different to bowl with here, just the way it sits in the hand.

"The ball does a little bit different in the air as well.

"It’s been great to play that role over here and bowl a lot of overs because as a spinner you don’t really learn unless you're bowling in games heaps and you're learning what fields to set.

"In most formats I'm a batter so if you keep putting runs on the board and I can keep working on my bowling and have that string to your bow it's always bonus."

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Labuschagne will know if he's in contention for the Ashes if he gets a call-up to the Australia v Australia A tour game that looms as a selection trial in Southampton from July 23.

All Ashes contenders will be drafted in for that game, according to Labuschagne, who is doing his very best to remain focused on the things he can control, like scoring runs and taking wickets for Glamorgan.

But he hasn't stopped his mind from drifting ahead a month or so to Birmingham.

"I want to play in the Ashes. That's 100 per cent," he said.

"Every kid in their right mind that grows up watching cricket in Australia, you want to play for Australia, you want to play on an Ashes tour, there's nothing better.

"Especially an away Ashes, in England, beating England in their own conditions, first time since 2001, that would be extraordinary to be part of that."

Qantas Ashes Tour of the UK 2019

Tour match: Australia v Australia A, Hampshire, July 23-26

First Test: August 1-5 at Edgbaston, Birmingham

Tour match: Australia v Worcestershire, August 7-9

Second Test: August 14-18 at Lord's, London

Third Test: August 22-26 at Headingley, Leeds

Tour match: Australia v Derbyshire, August 29-31

Fourth Test: September 4-8 at Old Trafford, Manchester

Fifth Test: September 12-16 at The Oval, London