GOAL Ayr United 1-2 Aberdeen (Forrest)published at 20:25 British Summer Time 10 August 2016
Alan Forrest missed a chance, but he gets his name on the scoresheet as he pounces on a rebound, and the home side are back in the game at Somerset Park.
Quarter-final draw: Morton v Dundee Utd, Celtic v Alloa, Rangers v QoS, Aberdeen v St Johnstone
FT: Ayr United 1-2 Aberdeen, Celtic 5-0 Motherwell, St Johnstone 3-2 Hearts
Andy Campbell
Alan Forrest missed a chance, but he gets his name on the scoresheet as he pounces on a rebound, and the home side are back in the game at Somerset Park.
Ayr United 0-2 Aberdeen
Ayr United almost fall further behind as Adam Rooney stoops to head the ball against the post.
Moussa Dembele scores his second Celtic goal, his first having also come from the penalty spot.
Celtic 1-0 Motherwell
Moments after Tom Rogic is denied again by Craig Samson, Scott Sinclair is fouled by Richard Tait, giving Celtic a spot-kick.
Shay Logan gets down the right hand side, and sends in a good ball which Niall McGinn finishes to double Aberdeen's lead.
Celtic 1-0 Motherwell
Moussa Dembele's shot is deflected on to the Motherwell crossbar.
Tom Rogic then tries to bend an effort past Craig Samson but the goalkeeper pulls off a fine save.
Celtic 1-0 Motherwell
Chance for Motherwell to level. Scott McDonald heads a cross back to Craig Clay, whose volley is wide.
Celtic take a deserved lead. Tom Rogic collects a dinked pass from Callum McGregor, controls on the turn and blasts home. Fine finish.
St Johnstone 1-0 Hearts
Hearts full-back Callum Paterson tries to take a throw-in after a challenge in front of the dug-outs. Saints boss Tommy Wright, seemingly unimpressed with the challenge, responds by throwing the ball away. A heated debate ensues.
Celtic 0-0 Motherwell
A well worked move from Celtic on their left and Scott Sinclair's shot is beaten away by Craig Samson.
Celtic 0-0 Motherwell
The home side controlling possession so far at Celtic Park as Motherwell sit very deep but not too much for Well keeper Craig Samson to do so far.
Saints take the lead. A free-kick is rolled to Danny Swanson, who swerves the ball into the net.
Ayr United 0-1 Aberdeen
Alan Forrest takes advantage of a mistake by Anthony O'Connor to get a sight of goal, but Aberdeen goalkeeper Joe Lewis denies him.
St Johnstone 0-0 Hearts
Conor Sammon comes close for Hearts, his shot coming back off the post.
Wes Burns' delivery causes all sorts of problems for the Ayr defence and Daryll Meggatt puts into his own net.
Tonight's ties getting underway.
By the end of tonight's matches, we will know the eight teams who will feature in the quarter-finals of the Scottish League Cup.
The draw for the last eight takes place shortly after the Celtic v Motherwell match.
St Johnstone v Hearts (19:45)
Martin Dowden
BBC Sport Scotland at McDiarmid Park
"Jamie Walker starts for Hearts with Robbie Neilson remaining stout in his defence of the player who won a controversial penalty against Celtic. St Johnstone are always tough with a great record in cup competitions. This is a really tasty fixture."