Hamilton Academical defeated Queen of the South 2-1 after extra time at New Douglas Park in the first of the SPFL Trust Trophy semi-finals on Tuesday evening.
Dario Zanatta's first-half opener was cancelled out by a deflected effort from Ross Irving in 72 minutes but teenager Ryan One struck the winner in the sixth minute of extra time.
John Rankin's side will face Dundee or holders Raith Rovers - who meet at the Kilmac Stadium tomorrow night - in the final on Sunday March 26.
