| Oct 5, 2025 | Moeller | 1–0 | Brandt | Round 5: Moeller, Patrick - Brandt, Volker | Benko Gambit | |
| Oct 4, 2025 | Brandt | 1–0 | Rabe | Round 4: Brandt, Volker - Rabe, Elina | Trompowsky Attack | |
| Oct 4, 2025 | Eichler | 1–0 | Brandt | Round 3: Eichler, Tim - Brandt, Volker | Trompowsky Attack: Raptor Variation, Hergert Gambit | |
| Oct 3, 2025 | Brandt | ½–½ | Schindel | Round 2: Brandt, Volker - Schindel, Volker | Slav Defense: Diemer Gambit | |
| Oct 3, 2025 | Liesow | 0–1 | Brandt | Round 1: Liesow, Maximilian - Brandt, Volker | English Opening: Anglo-Indian Defense | |
| Jun 1, 2025 | Brandt | 0–1 | Kollmann | Round 7: Brandt, Volker - Kollmann, Timo | Kádas Opening | |
| May 31, 2025 | Kastens | 0–1 | Brandt | Round 6: Kastens, Uwe - Brandt, Volker | Lasker Simul Special | |
| May 31, 2025 | Brandt | 0–1 | Yurchenko | Round 5: Brandt, Volker - Yurchenko, Anton | Indian Defense: Gibbins-Weidenhagen Gambit Accepted | |
| May 30, 2025 | Eichmann | 1–0 | Brandt | Round 4: Eichmann, Andreas - Brandt, Volker | Polish Opening: Outflank Variation | |
| May 30, 2025 | Brandt | 0–1 | Baechler | Round 3: Brandt, Volker - Baechler, Andreas | Indian Defense: Gibbins-Weidenhagen Gambit Accepted | |
| May 29, 2025 | Viere | 0–1 | Brandt | Round 2: Viere, Samuel - Brandt, Volker | Sicilian Defense: Hyperaccelerated Pterodactyl | |
| May 29, 2025 | Brandt | 0–1 | Fabig | Round 1: Brandt, Volker - Fabig, Holger | Horwitz Defense | |
| May 12, 2024 | Osmers | 1–0 | Brandt | 3. Itzehoer Schach Open | Philidor Defense: Lion Variation | |
| May 11, 2024 | Brandt | 1–0 | Paepke | 3. Itzehoer Schach Open (37-58) | Blackmar-Diemer Gambit Accepted: Ryder Gambit | |
| May 11, 2024 | Jortzik | ½–½ | Brandt | 3. Itzehoer Schach Open (37-58) | Pirc Defense | |
| May 10, 2024 | Brandt | ½–½ | Bredereck | 3. Itzehoer Schach Open (37-58) | Blackmar-Diemer Gambit Accepted: Ryder Gambit | |
| May 10, 2024 | Liu | 0–1 | Brandt | 3. Itzehoer Schach Open (37-58) | Philidor Defense: Hanham Variation | |
| May 9, 2024 | Brandt | 0–1 | Schliesche | 3. Itzehoer Schach Open (37-58) | French Defense: Franco-Hiva Gambit | |
| May 9, 2024 | Helms | 1–0 | Brandt | 3. Itzehoer Schach Open | Philidor Defense | |
