All countries
| 1/8-finals | Southampton U21 | Aston Villa U21 | 3:4 AfP (1:1, 2:2, 0:0, 4:5) | details | 24.04.2026 | |||
| Stoke City U21 | Southampton U21 | 1:0 (0:0, 1:0) | details | 12.04.2026 | ||||
| Southampton U21 | Leeds U21 | 2:1 (2:0, 0:1) | details | 20.03.2026 | ||||
| Manchester Utd U21 | Southampton U21 | 2:1 (0:0, 2:1) | details | 13.03.2026 | ||||
| Nottingham U21 | Southampton U21 | 1:2 (0:1, 1:1) | details | 06.03.2026 | ||||
| Southampton U21 | Everton U21 | 2:2 (1:1, 1:1) | details | 27.02.2026 | ||||
| Southampton U21 | Middlesbrough U21 | 2:1 (2:1, 0:0) | details | 20.02.2026 | ||||
| Norwich U21 | Southampton U21 | 1:1 (1:0, 0:1) | details | 13.02.2026 | ||||
| Southampton U21 | Liverpool U21 | 1:1 (0:1, 1:0) | details | 08.02.2026 | ||||
| Group A | Southampton U21 | RB Leipzig II | 0:3 (0:2, 0:1) | details | 03.02.2026 | |||
| Chelsea U21 | Southampton U21 | 4:2 (2:0, 2:2) | details | 30.01.2026 | ||||
| Southampton U21 | West Brom U21 | 2:0 (1:0, 1:0) | details | 26.01.2026 | ||||
| Group A | Southampton U21 | Jong PSV | 1:3 (0:1, 1:2) | details | 22.01.2026 | |||
| Southampton U21 | Brighton U21 | 1:0 (1:0, 0:0) | details | 16.01.2026 | ||||
| Group A | Southampton U21 | Monaco II | 0:2 (0:1, 0:1) | details | 02.12.2025 | |||
| Group C | Sutton | Southampton U21 | 4:1 (1:1, 3:0) | details | 25.11.2025 | |||
| Southampton U21 | Arsenal U21 | 1:1 (0:1, 1:0) | details | 07.11.2025 | ||||
| Tottenham U21 | Southampton U21 | 1:2 (0:1, 1:1) | details | 01.11.2025 | ||||
| Group A | Southampton U21 | Real Madrid U21 | 1:1 (0:0, 1:1) | details | 29.10.2025 | |||
| Leicester U21 | Southampton U21 | 3:1 (2:0, 1:1) | details | 25.10.2025 | ||||
| Group C | Aldershot | Southampton U21 | 3:4 AfP (2:2, 1:1, 2:4) | details | 21.10.2025 | |||
| Southampton U21 | Derby U21 | 4:1 (2:0, 2:1) | details | 03.10.2025 | ||||
| Manchester City U21 | Southampton U21 | 3:3 (1:3, 2:0) | details | 26.09.2025 | ||||
| Southampton U21 | Burnley U21 | 2:1 (2:0, 0:1) | details | 19.09.2025 | ||||
| Group C | Woking | Southampton U21 | 2:1 (2:0, 0:1) | details | 16.09.2025 | |||
| Ipswich U21 | Southampton U21 | 2:2 (2:0, 0:2) | details | 29.08.2025 | ||||
| Southampton U21 | Sunderland U21 | 3:2 (0:0, 3:2) | details | 22.08.2025 | ||||
| Newcastle Utd U21 | Southampton U21 | 1:2 (1:1, 0:1) | details | 17.08.2025 | ||||
| Group C | Truro | Southampton U21 | 3:2 (2:1, 1:1) | details | 13.08.2025 | |||
| Southampton U21 | Crawley | 2:1 (1:1, 1:0) | details | 22.07.2025 | ||||
| Farnborough | Southampton U21 | 4:6 (3:2, 1:4) | details | 19.07.2025 | ||||
| AFC Totton | Southampton U21 | 0:2 (0:0, 0:2) | details | 12.07.2025 | ||||
| Final | Manchester City U21 | Southampton U21 | 2:0 (2:0, 0:0) | details | 22.05.2025 | |||
| Semi-finals | Crystal Palace U21 | Southampton U21 | 1:2 AET (0:1, 1:0, 0:1) | details | 12.05.2025 | |||
| Quarter-finals | Southampton U21 | Fulham U21 | 5:2 (2:1, 3:1) | details | 05.05.2025 | |||
| Semi-finals | Southampton U21 | Brentford U21 | 0:2 (0:1, 0:1) | details | 01.05.2025 | |||
| 1/8-finals | Southampton U21 | Leicester U21 | 5:3 AET (2:0, 1:3, 2:0) | details | 27.04.2025 | |||
| Derby U21 | Southampton U21 | 0:0 (0:0, 0:0) | details | 11.04.2025 | ||||
| Southampton U21 | Blackburn U21 | 3:0 (1:0, 2:0) | details | 04.04.2025 | ||||
| Quarter-finals | Southampton U21 | Charlton U21 | 5:3 AET (2:1, 0:1, 3:1) | details | 29.03.2025 | |||
| Middlesbrough U21 | Southampton U21 | 1:0 (1:0, 0:0) | details | 16.03.2025 | ||||
| 1/8-finals | Sheffield Utd U21 | Southampton U21 | 1:4 (1:2, 0:2) | details | 12.03.2025 | |||
| Southampton U21 | Wolves U21 | 2:1 (1:1, 1:0) | details | 28.02.2025 | ||||
| Southampton U21 | Sunderland U21 | 3:3 (1:1, 2:2) | details | 21.02.2025 | ||||
| Everton U21 | Southampton U21 | 1:2 (1:1, 0:1) | details | 14.02.2025 | ||||
| Group A - 4. Round | Maidenhead | Southampton U21 | 0:6 (0:3, 0:3) | details | 11.02.2025 | |||
| Southampton U21 | Liverpool U21 | 1:1 (0:1, 1:0) | details | 07.02.2025 | ||||
| Group C | Fleetwood U21 | Southampton U21 | 2:0 (0:0, 2:0) | details | 04.02.2025 | |||
| Group C | Southampton U21 | Swansea U21 | 2:2 (2:1, 0:1) | details | 31.01.2025 | |||
| Chelsea U21 | Southampton U21 | 0:2 (0:2, 0:0) | details | 24.01.2025 | ||||