Goal Log: Brynjolfur Darri Willumsson
| Date | Venue | Team | Opponent | Minute | Score | Goal Value | xG | PSxG | Assisted By |
|---|---|---|---|---|---|---|---|---|---|
| 16/08/2025 | Home | FC Groningen | SC Heerenveen | 29 | 0-1 → 1-1 | 0.24 | 0.04 | 0.03 | Stije Resink |
| 16/08/2025 | Home | FC Groningen | SC Heerenveen | 94 | 1-1 → 2-1 | 0.64 | 0.37 | 0.70 | Thom van Bergen |
| 23/08/2025 | Away | FC Groningen | PSV Eindhoven | 39 | 1-0 → 1-1 | 0.26 | 0.12 | 0.62 | Stije Resink |
| 29/08/2025 | Home | FC Groningen | Heracles Almelo | 9 | 0-0 → 1-0 | 0.27 | 0.12 | 0.52 | Marco Rente |
| 29/08/2025 | Home | FC Groningen | Heracles Almelo | 40 | 2-0 → 3-0 | 0.06 | 0.51 | 0.72 | Younes Taha El Idrissi |
| 13/12/2025 | Home | FC Groningen | FC Volendam | 74 | 1-0 → 2-0 | 0.12 | 0.22 | 0.82 | Thom van Bergen |