Ireland's men's team are through to the quarter-finals of the Rugby World Cup Sevens courtesy of an excellent 17-5 victory against England.

Having seen off Portugal 24-0 in the opening game in Cape Town, Ireland shifted up a gear to claim a dominant win over the 2013 and 2018 finalists.

Ireland took control with tries from Harry McNulty and Mark Roche either side of half-time, with Jordon Conroy adding a third while England's Alex Davis was in the sin bin.

Ireland will now face hosts and favourites South Africa, who defeated Chile 32-5 in their opener, in Saturday’s quarter-final (kick-off 9.33pm Irish time - live on RTÉ Player).

Irish head coach James Topping will be delighted with his side’s efforts on the opening day, particularly in defence.

Ireland withstood some early England pressure in the first half, with Terry Kennedy making a vital intercept after Will Homer broke downfield.

Both sides cancelled each other out until McNulty barged his way through two defenders and charged over.

Roche converted to make it 7-0 at the interval and he extended Ireland’s lead within a minute of the restart after Jack Kelly won the kick-off.

With England stretched, Hugo Lennox threw a long pass out wide to Roche, who stepped inside Homer and held off Tom Bowen to score.

Billy Dardis was sprung off the bench and made a big contribution, the Ireland captain exploiting the space left by the sin-binned Davis as he broke from a scrum put Conroy over in the corner.

It was six-a-side after Kelly was yellow-carded for tackling a player in the air but Dardis twice stepped up with big moments in defence as England went for broke.

Charlton Kerr scored from the final play to deny Ireland a second whitewash win but focus quickly turned to Saturday’s quarter-finals.

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Earlier on Friday, Ireland defeated Portugal 24-0 in their World Cup opener.

They crossed for two unanswered tries in each half, with Kennedy opening the scoring inside two minutes.

Lennox, Sean Cribbin and Bryan Mollen also crossed as Ireland eased to victory.

Kennedy was the top-scorer in this season's World Series with 50 tries in 52 games and he bagged the first try of the World Cup when he sprinted onto his own grubber to score.

Lennox made it 12-0 when he also spotted space in the backfield and kicked behind the Portugal defence. Kelly collected and put Lennox over, while Matthew McDonald was denied a third try by some last-ditch defending late in the half.

Ireland ensured victory early in the second half after Kelly won a turnover penalty inside the Portugal 22, Kennedy took a quick tap to tee up Cribbin.

McNulty was sin-binned from the restart for tackling a player in the air but Ireland's defence held firm and they extended their lead late on when a lovely step and pass from Chay Mullins put Mollen away.

Record three-time winners New Zealand made light work of beating Scotland as they romped to a 43-5 victory, running in seven tries in a contest that showed all their potential.

They face Argentina next and are on a collision course with South Africa in the semi-finals.

Wales took an early lead against Fiji but had no answer to the relentless pressure of the islanders, who won 29-5 and will meet Samoa next in what will be a hugely physical contest. The latter defeated the United States 40-12.

Australia will face France in their quarter-final following an emphatic 35-0 win over Uruguay. France were level with Canada at half-time but went on to claim a 19-12 victory.

Watch live coverage of the Rugby World Cup Sevens on RTÉ Player with the finals live on RTÉ2 on Sunday from 7pm