The defending Super Rugby champions the Chiefs have named their team to face the Brumbies in Saturday's Qualifier at GIO Stadium in the Australian capital.
Head coach Dave Rennie has made just one change to his starting line-up.
Dwayne Sweeney starts at full-back in place of Tom Marshall who moves to the bench.
The Chiefs, who finished fifth in 2014, are chasing a historic third Super Rugby title in a row.
"This is do or die time for us," said Chiefs co-captain Liam Messam.
"We have a lot of belief in our group and now we need to convert that into our performance on the field on Saturday night."
Chiefs: 15 Dwayne Sweeney, 14 Asaeli Tikoirotuma, 13 Tim Nanai-Williams, 12 Bundee Aki, 11 James Lowe, 10 Aaron Cruden (c), 9 Tawera Kerr-Barlow, 8 Liam Squire, 7 Tanerau Latimer, 6 Liam Messam, 5 Brodie Retallick, 4 Mike Fitzgerald, 3 Ben Tameifuna, 2 Mahroni Schwalger, 1 Jamie Mackintosh.
Replacements: 16 Nathan Harris, 17 Pauliasi Manu, 18 Nick Barrett, 19 Matt Symons, 20 Tevita Koloamatangi, 21 Augustine Pulu, 22 Gareth Anscombe, 23 Tom Marshall.
Date: Saturday, July 19
Venue: GIO Stadium, Canberra
Kickoff: 19:40 (local, 9:40 GMT)
Referee: Craig Joubert (South Africa)
Assistant Referees: Rohan Hoffmann (Australia), James Leckie (Australia)
TMO: George Ayoub (Australia)