How the shoot-out was settled . . .
1-0 Rangers: Andy Halliday sends Craig Gordon the wrong way to open the scoring.
1-1 Charlie Mulgrew wrongfoots Wes Foderingham to pull Celtic level.
1-1 James Tavernier misses for Rangers, sending his effort over the crossbar.
1-1 Callum McGregor fails to capitalise, hitting the crossbar with an effort sent straight down the middle.
2-1 Rangers: Barrie McKay gets Rangers back in front with a penalty low to Gordon’s left, which slips through the Celtic keeper’s hand to cross the line.
2-2 Nir Bitton pulls Celtic level after a war of nerves with Foderingham ends with the Rangers keeper jumping first and the Israeli putting the ball straight down the middle.
2-2 Nicky Clark sees his spot-kick saved by Gordon.
2-2 Celtic captain Scott Brown fails to make the most of Clark’s miss when putting his penalty too close to Foderingham and at a perfect height. The Rangers keeper saves to his left.
3-2 Rangers: Rangers captain Lee Wallace keeps his cool as the tension builds to send Gordon the wrong way.
3-3 Leigh Griffiths sends the final penalty of the initial 10 high into the top corner with Foderingham having committed himself.
4-3 Rangers: Gedion Zelalem shows composure beyond his years to send Gordon the wrong way again.
4-4 Mikael Lustig beats Foderingham to his right to keep Celtic in it.
5-4 Rangers: Nicky Law sends Gordon the wrong way again 5-4 Rangers – FINAL SCORE. Tom Rogic, fresh from scoring the goal which sent the match into extratime, balloons a left-footed effort high and wide and seals Celtic’s fate.