An impressive save-laden 120 minutes from the 30-year-old preceded an even greater display in the ensuing penalty shootout, with two saves enough to deliver the Sky Blues grand final gold.
Steve Corica’s side could not find separation from Perth Glory for much of the constricted contest and as each second passed by, only one big moment looked likely to make the difference.
Luckily for Sydney, Redmayne had two.
The 'yellow wiggle' forced both Andy Keogh and the retiring Brendon Santalab into poor penalties, with the latter’s paltry panenka gifting Reza Ghoochannejhad the winning spot-kick.
Redmayne’s heroics rendered past stints a distant memory, and while all praise came his way after the full-time whistle, his humility swung it in the opposite direction.