Labuschagne has regained the No. 1 position after Root overtook him in mid-June with successive centuries against New Zealand.
Jonny Bairstow was initially included in the selection but the England and Wales Cricket Board later said he had been ruled out of the rest of the summer and the T20 World Cup after suffering a lower limb injury in a freak accident while playing golf in Leeds on Friday.
As the prestigious Ashes gets underway, here's a look at the milestones that can be achieved.
'If England are not playing to win then these Ashes Tests are not that important. They are only exhibition matches. They have got it back to front. It is not about entertaining and then winning. It is about winning first.'
Darwin Nunez came off the bench to score twice as Liverpool snatched a sensational 2-1 Premier League win at Newcastle United on Sunday.
England's Ollie Robinson struck four times with the second new ball as the hosts thrashed India by an innings and 76 runs to level the series on day four of the third Test at Headingley in Leeds on Saturday.
Pacer Ollie Robinson destroyed India's batting line-up with a five-wicket haul to power England to a huge victory by an innings and 76 runs, on Day 4 of the third Test, at Leeds on Saturday.
The England and Wales Cricket Board (ECB) will review players' social media to address past issues and remind them of their responsibilities, the board said on Saturday, after Ollie Robinson's old sexist and racist tweets came to light last week.
Images from Sunday's action in the Premier League.
Batsman Harry Brook and seamer Matthew Potts received maiden call-ups as part of the 13-man squad announced on Wednesday.
England on Sunday named their strongest available squad for the Ashes tour to Australia as all-rounders Ben Stokes and Sam Curran missed out but seamer Stuart Broad was included despite the calf injury he picked up in the Test series against India.
Joe Root scored his fastest Test century while Ollie Pope struck a superb 145, as England launched a stirring fightback to reach 473/5 at the close of play on the third day of the second Test against New Zealand on Sunday.
A fiery spell from captain Ben Stokes dragged England back into the match but South Africa remained the happier side as they reached 289/7 at the close on the second day of the first Test at Lord's on Thursday.
Champions Manchester City slipped to a shock first Premier League defeat of the season at Wolverhampton Wanderers on Saturday, while Manchester United's campaign of woe continued with a loss to Crystal Palace.
All-rounder Ben Stokes returns to England's squad for the first two Tests against India next month after he missed the two-match series against New Zealand in June following a finger injury he sustained during the Indian Premier League earlier this year.
IMAGES from Day 5 of the third and final Test between England and New Zealand in Headingley on Monday.
Last year, England switched to a new system of central contracts which was a departure from the previous separation of red-ball and white-ball deals, introduced by the ECB in 2016.
The three-match series will be played over six days, with matches in Adelaide, Sydney and finishing in Melbourne on November 22.
IMAGES from Day 2 of the opening Ashes Test played between England and Australia at Edgbaston Cricket Ground in Birmingham on Saturday.
England lost opener Zak Crawley but held firm in the final hour of a pulsating day four in the second Test against New Zealand.
England take a 1-0 lead in the three-match series.
Images from Day 5 of the first Ashes Test between England and Australia at Edgbaston Cricket Ground in Birmingham on Tuesday.
Ollie Robinson was suspended from international cricket pending an investigation after his tweets, posted when he was a teenager
England have named uncapped seam bowler Ollie Robinson in their 14-man squad to replace all-rounder Ben Stokes for the second Test against Pakistan starting on Thursday, the England and Wales Cricket Board (ECB) said on Wednesday.
'I know how hard he has worked to try to get back fit and I hope it is not too bad and he can get back as soon as possible.'
England were spared the ignominy of the follow-on but Australia appeared on course for victory after dominating day three of the day-night second Ashes Test at the Adelaide Oval on Saturday.
England won the toss and put South Africa in to bat only for a shower to sweep in and put a stop to proceedings
England's all-time leading Test wicket takers James Anderson and Stuart Broad have been dropped for the three-Test tour against West Indies.
England pulled off a memorable victory in fading light and barely 10 minutes before the close of play
Chasing 343 for an improbable victory, a dogged Pakistan nearly snatched a draw but pace bowlers James Anderson and Ollie Robinson produced a reverse-swing masterclass to deny them.
South Africa skittled England out for 149 on Friday to win the first Test by an innings and 12 runs inside three days at Lord's and go 1-0 up in the three-match series.
Warner has also taken aim at his Ashes nemesis England veteran pacer Stuart Broad, implying that he will not be the force that derailed the opening batter's 2019 trip this time.
Scott Boland will become the first indigenous Australian Test player since Jason Gillespie played his last match in 2006 when he receives his baggy green cap on Sunday.
After Ben Stokes enforced a follow on, New Zealand left the England bowlers frustrated on Day 3 of the second Test in Wellington.
England batsman Ollie Pope was on Saturday rendered a doubtful starter for the opening Test against India after suffering a thigh injury during his stint for Surrey in the domestic T20 tournament.
But Stokes then introduced Ahmed in the afternoon session and the youngster ripped apart Pakistan's middle order.
England on Tuesday rested IPL stars including Jos Buttler and Jonny Bairstow for the upcoming two-Test series against New Zealand while Jofra Archer and Ben Stokes were not considered for selection due to injuries.
Jasprit Bumrah blitzed England with the bat and then blew away their top order with the ball to put India in a strong position in the rescheduled fifth and final Test at Edgbaston on Saturday.
Pacer Ollie Robinson, who took a five-wicket haul to power England to an emphatic win against India in the third Test at Headingley, revealed his 'simple plan' to get the big wicket of Virat Kohli.
India pacer Jasprit Bumrah has gained a place to be ninth in the latest ICC Test rankings for bowlers following his match-winning spell in the fourth Test against England at The Oval.