Match ends, Dundee United 4, Ayr United 0.
Runaway Scottish Championship leaders Dundee United roared to their ninth straight win by thumping Ayr United.
Sam Stanton opened the scoring before Ayr were reduced to 10 men after player-manager Mark Kerr was shown a second yellow for bringing down Stanton in the area.
Lawrence Shankland scored the resultant penalty, then set up Nicky Clark for the third before Ian Harkes' strike.
It means United are 13 points clear of Inverness Caledonian Thistle.
Their next game is against city rivals Dundee on Friday, while Ayr in third take on Queen of the South.
Dundee United manager Robbie Neilson: "I was delighted to get the result and I thought the second half was far better.
"The teams around us won so it was very important to get the win to set us up for the derby."
- 6ReynoldsSubstituted forConnollyat 71'minutes
- 18ButcherBooked at 74minsSubstituted forKingat 77'minutes
- 7McMullanSubstituted forAppereat 71'minutes
- 11McCowanSubstituted forMcGuffieat 48'minutes
- 23DochertySubstituted forGegganat 69'minutes
- 4KerrBooked at 56mins
- 9MooreBooked at 72minsSubstituted forMoffatat 73'minutes
- Greg Aitken
- Shots on Target
Second Half ends, Dundee United 4, Ayr United 0.
Ian Harkes (Dundee United) wins a free kick in the attacking half.
Foul by Andrew Geggan (Ayr United).
Corner, Dundee United. Conceded by Steven Bell.
Attempt blocked. Lawrence Shankland (Dundee United) right footed shot from the centre of the box is blocked.
Goal! Dundee United 4, Ayr United 0. Ian Harkes (Dundee United) right footed shot from outside the box to the bottom left corner.
Steven Bell (Ayr United) wins a free kick in the attacking half.
Foul by Adam King (Dundee United).
Attempt missed. Lawrence Shankland (Dundee United) header from the centre of the box misses to the right.
Substitution, Dundee United. Adam King replaces Calum Butcher.
Corner, Dundee United. Conceded by Craig McGuffie.
Calum Butcher (Dundee United) is shown the yellow card for a bad foul.
Daniel Harvie (Ayr United) wins a free kick in the defensive half.
Foul by Calum Butcher (Dundee United).
Substitution, Ayr United. Michael Moffat replaces Craig Moore.
Craig Moore (Ayr United) is shown the yellow card for a bad foul.
Foul by Craig Moore (Ayr United).
Louis Appere (Dundee United) wins a free kick in the defensive half.
Substitution, Dundee United. Louis Appere replaces Paul McMullan.