Kilmarnock forward Joe Hugill blocks Arne Engels off the ball and is booked.

Celtic may have preferred the advantage there with players pouring forward.

It's been a competitive and entertaining 25 minutes at Rugby Park and both sets of players seem to be relishing the new pitch.

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Hearts: Reus, Altena, McEntee, McCart, Miller, Spittal, Renaud, Kerjota, Braga, McPake, Ba-Sy.

Substitutes: Fulton, Borchgrevink, Kabore, Guendouz, Wilson, Magnusson, Kamson-Kamara, Mato, Mendy.

Dundee United: Walton, Rawlins, Forbes, Esselink, Ferry, Sevelj, Tait, Agyei, Randall, Rose, Bennie.

Substitutes: Amissah, Iovu, Graham, Merghem, Camara, Sapsford, Eskesen, Farrugia, Metsoko.

Another inventive move from Celtic, this time right to left with men over.

Kieran Tierney gets away a powerful shot and Mazx Stryjek palms clear.

Moments later, Benjamin Nygren heads over the Kilmarnock goal.

Incredible goalmouth action as Max Stryjek keeps Kilmarnock only one down.

He tips Benjamin Nygren's shot on to the bar then blocks Kasper Hogh's header and Kilmarnock scramble clear at the second rebound.

More work for Max Stryjek to do as Camilo Duran strikes from the Celtic right. Another decent block.

Arne Engels set up Celtic's goal and he almost scores their second.

The Belgian midfielder is in the inside left channel and belts a shot that forces a save from Max Stryjek.

Kilmarnock are troubling Celtic at corners.

The first one in this sequence finds its way to Joe Hugill, whose backheel flick deflects out.

The next one ends with a Tyreece John-Jules looping a header towards the top corner and Viljami Sinisalo tips over.

The third is claimed by Sinisalo.

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Another chance for Kilmarnock.

Greg Kiltie gets in behind the Celtic defence and stays onside.

He tries to bend one in to the far post but it is knocked out for a corner.

Pat Bonner
Former Celtic goalkeeper on BBC Sportsound

That will give Kasper Hogh real confidence.

A striker comes to a new club and he wants desperately to get off the mark. He missed a couple last week.

But it's the perfect start this week, and it's a good penetrating run from Arne Engels.

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Chris Sutton
Former Celtic striker on Sky Sports

How that doesn't end up in the back of Celtic's net I do not know.

This is an open one.

Celtic press on the right this time and Camilo Duran attempts a curling shot that drifts wide.

Kilmarnock threaten a reply with Tyreece John-Jules' shot from inside the box blocked near the line by Auston Trusty and Cameron Carter-Vickers tidying up.

Pat Nevin
Former Kilmarnock winger on BBC Radio Scotland

It doesn't matter about the playing surface. That was old-school, down the wing, get it to the back post.

They've got a centre forward now who can go and attack that space. Hogh showed that at Bodo/Glimt in the Champions League.

That is his type of goal. What an easy goal, but a good goal.

Chris Sutton
Former Celtic striker on Sky Sports

What a start for Hogh and what a start for Celtic!

Under way at Rugby Park.

There is live Sportsound commentary available of Kilmarnock v Celtic (13:30) and Rangers v Hibernian (16:00) on BBC Radio Scotland Extra, Sounds and here via 'Listen live' above.

There will also be updates from Hearts v Dundee United and Motherwell and Falkirk.

It was a dramatic end to the last meeting of Kilmarnock and Celtic at Rugby Park six months ago.

Killie led 2-0 at the break but eventual champions Celtic fought back to win 3-2 with a late goal.

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