Image source, Getty Images

Felix Auger-Aliassime hangs on a little longer by getting to deuce but Alex De Minaur takes the set at the next attempt.

A confident display in just under an hour of play from the Australian.

After 46 minutes of action in this quarter-final, Alex de Minaur has the chance to take the first set.

Felix Auger-Aliassime wraps up a hold to 30 in fine fashion with a whipped forehand winner.

Alex de Minaur will serve for the opening set.

Mark Woodforde
17-time Grand Slam doubles champion on BBC Radio 5 Sports Extra and BBC Sounds

I think Auger-Aliassime is perhaps trying to overkill with the forehand right now. That is to the testament of the opponent.

Image source, Getty Images

Alex de Minaur consolidates his break - saving two break points of his own - and is now just a game shy of taking the opening set.

That feels like a huge moment.

Alex de Minaur gets to advantage and within a point of holding for the first time in this game but Felix Auger-Aliassime isn't letting it go yet.

The Canadian's passing shot cannons of De Minaur's racquet an into the net for deuce.

A lot of energy is being expended on both sides of the net in this game.

Stunning stuff from Alex de Minaur to save a second break point.

The Australian brings a high-energy rally to an end with a sweeping forehand winner.

Felix Auger-Aliassime can't seize the opportunity and they go to deuce.

But Alex de Minaur sends long and the Canadian will have another chance to break back.

Image source, Getty Images

Alex de Minaur looked locked in as this game started but his focus has dropped.

A double fault and a loose forehand hand Felix Auger-Aliassime the chance to break back immediately.

Oooof.

An ace to save the first.

But Felix Auger-Aliassime sends a forehand beyond the baseline and Alex de Minaur takes control of the opening set.

Felix Auger-Aliassime passes up a routine forehand at the net. It drifts long and Alex de Minaur leads 0-30.

Auger-Aliassime goes long again and De Minaur has three break points.

Despite some impressive net play and some solid serving, Alex de Minaur is still looking a little inconsistent from the baseline.

A wayward backhand lets Felix Auger-Aliassime back to 30-30.

De Minaur digs out an ace to lead and then gets the hold.

Felix Auger-Aliassime is also looking pretty menacing with the ball in hand too.

An ace wraps up a hold to love and he's only dropped a single point when his first serve lands.

Alex de Minaur is looking really comfortable on serve now.

The Australian comes through with a hold to love.

No panic from Felix Auger-Aliassime, though.

The 15th seed wins successive points to hold.

Oh no!

Felix Auger-Aliassime thinks he's got the hold when he forces Alex de Minaur deep beyond the baseline but the Australian keeps it alive and Auger-Aliassime is blinded by the sun, with his volley slapping the net.

This is the first seed Alex de Minaur has come up against at this year's US Open but he's starting to settle into a rhythm.

A couple of net volleys suggest he's loosening up and offer a warning to Felix Auger-Aliassime that he'll need to be on his toes.

Alex de Minaur is still blowing off a few cobwebs in the opening game as he trails 40-0.

A double fault from Felix Auger-Aliassime allows De Minaur into the game but the Canadian gets the hold to 15.

There are still a few empty seats dotted around Arthur Ashe Stadium as the sun sprawls over half of the court and we get under way in this quarter-final.

Felix Auger-Aliassime to serve first.

* denotes next server

BBC Radio 5 Live Sports Extra

BBC Radio 5 Sports Extra has live commentary of day 11 in New York.

Coverage is also available via BBC Sounds or by clicking the link at the top of this page.