  2 - 7SLDL Challenge Cup 26/27 Academy Park Ardeer Thistle U20s v Dumbarton U20s 161026 CC R1 |
 3 - 0SLDL League Cup 26/27 The Bumblebee Stadium East Kilbride U20s v Dumbarton U20s 091026 SLDLC R2 |
2 - 3Park's Motor Group SLDL West 26/27 The Bumblebee Stadium East Kilbride U20s v Dumbarton U20s 021026 SLDLW |
 2 - 3Park's Motor Group SLDL West 26/27 The Rock sponsored by Marbill Coaches Dumbarton U20s v Clydebank U20s 250926 SLDLW |
 1 - 1Park's Motor Group SLDL West 26/27 Nethercraigs Sports Complex Pollok U20s v Dumbarton U20s 070527 SLDLW |
 1 - 4Park's Motor Group SLDL West 26/27 Alliance Park Caledonian Braves U20s v Dumbarton U20s 110926 SLDLW |
 2 - 1SLDL League Cup 26/27 The Rock sponsored by Marbill Coaches Dumbarton U20s v Johnstone Burgh U20s 040926 LC-R1 |
5 - 0Park's Motor Group SLDL West 26/27 The Rock sponsored by Marbill Coaches Dumbarton U20s v Johnstone Burgh U20s 280826 SLDLW |
 3 - 6Pre-season friendlies 26/27 Palmerston Park Queen of The South U20s v Dumbarton U20s 200826 fr |
 11 - 0Park's Motor Group SLDL West 26/27 The Rock sponsored by Marbill Coaches Dumbarton U20s v Albion Rovers U20s 140826 SLDLW |
 0 - 7Park's Motor Group SLDL West 26/27 Auchinleck Leisure Centre Auchinleck Talbot U20s v Dumbarton U20s 070826 SLDLW |
 3 - 2Pre-season friendlies 26/27 The Rock sponsored by Marbill Coaches Dumbarton U20s v Kilmarnock U20s 26-27 FR |
 5 - 0Pre-season friendlies 26/27 Riverside Sports Arena Ayr United U20s v Dumbarton U20s 26-27 FR |
 2 - 5Pre-season friendlies 26/27 Millburn Park Vale of Leven v Dumbarton U20s 26-27 FR |
 5 - 3Pre-season friendlies 26/27 Mcdiarmid Park St Johnstone U20s v Dumbarton U20s FR 27-27 |
 7 - 6Pre-season friendlies 26/27 Poltonhall Recreational Ground Bonnyrigg Rose U20s v Dumbarton U20s 26-27 FR |
 2 - 3Pre-season friendlies 26/27 The Indodrill Stadium Alloa Athletic U20s v Dumbarton U20s FR 26-27 |