|  | 58' | Keanu Baccus out: Hyeok-kyu Kwon | ||
| out: Curtis Main Zach Robinson | 59' |  | ||
|  | 66' | James Bolton | ||
| out: Lee Ashcroft Ryan Astley | 67' |  | ||
| Tony Docherty | 67' |  | ||
|  | 68' | Lewis Jamieson out: James Scott | ||
| out: Michael Mellon Scott Tiffoney | 68' |  | ||
|  | 73' | 1-0 Mikael Mandron | ||
| out: Lyall Cameron Amadou Bakayoko | 77' |  | ||
| out: Malachi Boateng Josh Mulligan | 77' |  | ||
|  | 84' | James Bolton | ||
| 86' | ||||
|  | 87' | Toyosi Olusanya out: Mikael Mandron | ||
|  | 87' | Charles Dunne out: Lewis Jamieson | ||
| Josh Mulligan | 90+1' |  | ||
|  | 90+1' | 2-0 Toyosi Olusanya Assist: Scott Tanser | ||
| 90' | ||||
Lineups

St Mirren
|  | 1Z. Hemming Goalkeeper | 
|  | 2J. Bolton  66'  84'86' Dedender | 
|  | 13A. Gogić Dedender | 
|  | 22M. Fraser Dedender | 
|  | 42E. Bwomono Midfielder | 
|  | 16H. Kwon  58' Midfielder | 
|  | 15C. Boyd Munce Midfielder | 
|  | 3S. Tanser Midfielder | 
|  | 14J. Scott  68' Forward | 
|  | 9M. Mandron  73'  87' Forward | 
|  | 11G. Kiltie Forward | 

Dundee
|  | 31T. Carson Goalkeeper | 
|  | 6J. McGhee Dedender | 
|  | 14L. Ashcroft  67' Dedender | 
|  | 5J. Shaughnessy Dedender | 
|  | 3O. Dodgson Dedender | 
|  | 63O. Beck Dedender | 
|  | 10L. Cameron  77' Midfielder | 
|  | 23M. Boateng  77' Midfielder | 
|  | 17L. McCowan Midfielder | 
|  | 26M. Mellon  68' Forward | 
|  | 8C. Main  59' Forward | 
Substitutes

St Mirren
|  | 27P. Urminský Goalkeeper | 
|  | 18C. Dunne  87' Dedender | 
|  | 5R. Taylor Dedender | 
|  | 8R. Flynn Midfielder | 
|  | 21J. Brown Dedender | 
|  | 17K. Baccus  58' Midfielder | 
|  | 20T. Olusanya  87'  90'+190' Forward | 
|  | 24L. Jamieson  68'  87' Forward | 
|  | 7J. Ayunga Forward | 

Dundee
|  | 30H. Sharp Goalkeeper | 
|  | 25A. Donnelly Dedender | 
|  | 4R. Astley  67' Dedender | 
|  | 19F. Robertson Midfielder | 
|  | 28M. Sylla Midfielder | 
|  | 15J. Mulligan  77'  90'+1 Midfielder | 
|  | 7S. Tiffoney  68' Forward | 
|  | 16Z. Robinson  59' Forward | 
|  | 9A. Bakayoko  77' Forward | 
