| Jul 31, 2025 | Olin | 1–0 | Sandberg | Jonkoping Chess Festival 2025 - Standard Open | Vienna Game: Stanley Variation, Monster Declined | |
| Jul 30, 2025 | Sandberg | 0–1 | Wenzel | Jonkoping Chess Festival 2025 - Standard Open | English Opening: Agincourt Defense | |
| Jul 29, 2025 | Sandberg | 1–0 | Drill | Jonkoping Chess Festival 2025 - Standard Open | Old Indian Defense: Czech Variation, with Nc3 | |
| Jul 28, 2025 | Boberg | 0–1 | Sandberg | Jonkoping Chess Festival 2025 - Standard Open | Queen's Pawn Game: Stonewall Attack | |
| Jul 28, 2025 | Sandberg | 0–1 | Bergdahl | Jonkoping Chess Festival 2025 - Standard Open | King's Indian Defense: Orthodox Variation | |
| Jul 27, 2025 | Eknor | 0–1 | Sandberg | Jonkoping Chess Festival 2025 - Standard Open | Ruy Lopez: Berlin Defense | |
| Jul 26, 2025 | Sandberg | 0–1 | Ask | Jonkoping Chess Festival 2025 - Standard Open | English Opening: Jaenisch Gambit | |
| Apr 6, 2025 | Evertsson | 0–1 | Sandberg | Round 7: Evertsson, Lennart - Sandberg, Jonas | Réti Opening: Anglo-Slav Variation, Bogoljubow Variation | |
| Apr 6, 2025 | Sandberg | 1–0 | Gary Aelius | Round 6: Sandberg, Jonas - Gary Aelius | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Apr 6, 2025 | Hanini | 1–0 | Sandberg | Round 5: Hanini, Jacob - Sandberg, Jonas | Italian Game: Classical Variation, Giuoco Pianissimo, Main Line | |
| Apr 5, 2025 | Ivarsson | 1–0 | Sandberg | Round 3: Ivarsson, Anders - Sandberg, Jonas | Slav Defense: Czech Variation, Krause Attack | |
| Apr 5, 2025 | Thorn | 1–0 | Sandberg | Round 1: Thorn, Eric - Sandberg, Jonas | Slav Defense: Modern Line | |
| Dec 31, 2024 | Reinecke | 1–0 | Sandberg | 52nd Rilton Cup: Rilton U2200 | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| — | Sandberg | ½–½ | Fahad Abdulaziz Al-Ali | Jonkoping Chess Festival 2025 - Standard Open | Semi-Slav Defense: Accelerated Move Order | |
