Nic Berry is the referee, with Jordan Way and Reuben Keane his assistants. Ian Smith is the TMO.
The Brumbies have picked up victories in all three of their matches so far in Super Rugby AU, while the Reds have two wins and a draw.
The Reds also have a lock and two subs coming into the 23, with Angus Blyth, Feao Fotuaika and Jordan Petaia in for Harry Hoopert, Tuaina Taii Taulima and Josh Flook.
Lock Darcy Swain and substitutes Tom Ross and Tom Cusack come into the 23 for the Brumbies, while Murray Douglas, Harry Lloyd and Ben Hyne drop out.
Hello and welcome to our live coverage of this Super Rugby Australia match between the Brumbies and Reds at the GIO Stadium in Canberra.
The Brumbies kick off. Immediately, the Reds spill the ball and the hosts pick up possession.
The Brumbies pick up a penalty within kicking range for a high tackle from Feauai-Sautia, but Banks opts to go for the corner.
The Brumbies win the lineout and work the ball through the phases. Eventually, the hosts win another penalty for not rolling away and kick the ball out again.
Wilson is in at the side and Paisami offside following the lineout. Nic Berry warns the Reds.
TRY, BRUMBIES, FAINGA'A! 5-0: The Brumbies get the advantage. Paenga-Amosa in from the side. Nevertheless, the Brumbies force their way over from the rolling maul through Fainga'a!
CONVERSION, BRUMBIES, KUENZLE! 7-0: Kuenzle's conversion from out right curls inside the uprights.
The Reds find themselves on the attack after pinching possession, but they concede a penalty for not releasing the ball.
Kuenzle puts a clever grubber kick out wide as the Brumbies counter. Kata chases, but the bounce doesn't favour him and the ball rolls into touch.
Good work from the Reds to win a penalty under pressure.
Stewart gives away a unnecessary penalty for a hit on Kuenzle. The Brumbies will have another attacking lineout.
The Reds steal possession and O'Connor clears as far as Banks in Brumbies territory.
Stewart and Kuenzle exchange kicks. The Reds have a lineout inside Brumbies territory.
The Reds win their lineout and take the ball through 15 phases, but then the Brumbies win the penalty. Not releasing the ball is the offence.
It's the Brumbies on the attack now. They work the ball through the phases before winning another penalty for a high tackle.
The penalty count continues to mount. Another high tackle from the Reds and another Brumbies lineout.
TRY, BRUMBIES, FAINGA'A! 12-0: The Brumbies maul their way over from the lineout. It's that man Fainga'a once again!
CONVERSION, BRUMBIES, KUENZLE! 14-0: Kuenzle converts with another good kick from out right.
PENALTY, REDS, O'CONNOR! 14-3: The Reds win a penalty and O'Connor puts them on the board with a good strike.
The second half is underway.
HALF-TIME: BRUMBIES 14-3 REDS. We go back for a Kuenzle shot at posts following the high tackle, but he misses that. The Brumbies have dominated most of the game so far, but they go into the break off the back of a reminder that victory cannot be taken for granted.
TRY DISALLOWED! A great counter, which started from deep when Wright lost possession, ends with Petaia going over! We go back and look at a high tackle on Wright, and the try is ruled out!
The Brumbies take the ball through the phases as the hooter sounds. Eventually, it's spilled and the Reds look to counter.
TRY, REDS, WILSON! 14-8: Petaia's offload sends Wilson through for the Reds' first try. We go up to the TMO, but this time, it stands!
CONVERSION, REDS, O'CONNOR! 14-10.
TRY, REDS, SCOTT-YOUNG! 14-15: Brilliant work from O'Connor to find Daugunu with a lovely pass. He sends Wilson through. The eighthman is stopped short this time, but the Reds finish the job through Scott-Young!
CONVERSION, REDS, O'CONNOR! 14-17.
PENALTY, REDS, O'CONNOR! 14-20: The Reds pick up another penalty 40 metres out and O'Connor is spot on once again.
The Reds have been totally dominant in the second half so far. They have a scrum on the 22, which they win. They then make their way towards the line, taking the ball through the phases.
O'Connor goes for a grubber kick through, but the Brumbies are alert to the danger and pounce on the ball. That's then cleared into touch.
The Reds win a scrum penalty against the feed on halfway. The Brumbies dominated the first half, but they just can't catch a break at the moment. Great work there from Tupou.
Better from the Brumbies. They enjoy a good spell in possession. Kuridrani kicks through towards the corner, but Wright just can't get on the end of the grubber.
The Reds go on the attack again and win a penalty against Swain for offside.
O'Connor goes for posts, but pushes his kick wide. That's his first miss of the game.
Paisami looks to gain territorial advantage and put the Brumbies under pressure, but he kicks the ball out on the full. The Brumbies lineout is in their own half nevertheless.
The Brumbies win a penalty for offside and set up the attacking lineout.
TRY, BRUMBIES, MCINERNEY! 19-20: The driving maul takes the Brumbies over yet again! This conversion could put them back in front.
Hansen misses the conversion! The Reds cling onto their narrow lead as we approach the decisive minutes of the game.
The Brumbies take the ball through eight phases, but the Reds defence holds firm and they win a penalty.
The Brumbies come forward one last time and win themselves a late penalty. They've opted to go for posts. This last kick will decide the game.
FULL-TIME: BRUMBIES 22-20 REDS
PENALTY, BRUMBIES, HANSEN! 22-20: Hansen steps up and gives the Brumbies the win with the last kick of the game! It was a game of two halves, but that said, the Brumbies did well to come back in the dying minutes and maintain their perfect Super Rugby AU record.