| May 17, 2026 | Bartels | ½–½ | Engelberg | Runde 7: Bartels, Jens - Engelberg, Sebastian | Slav Defense: Exchange Variation | |
| May 16, 2026 | Engelberg | 1–0 | Oskar Carlstedt | Runde 6: Engelberg, Sebastian - Oskar Carlstedt | Italian Game: Classical Variation, Giuoco Pianissimo, Albin Variation | |
| May 16, 2026 | Schumann | ½–½ | Engelberg | Runde 5: Schumann, Linus - Engelberg, Sebastian | Indian Defense: Normal Variation | |
| May 15, 2026 | Engelberg | ½–½ | Viere | Runde 4: Engelberg, Sebastian - Viere, Silas | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| May 15, 2026 | Bosselmann | 1–0 | Engelberg | Runde 3: Bosselmann, Juergen - Engelberg, Sebastian | King's Pawn Game: Dresden Opening | |
| May 14, 2026 | Engelberg | 0–1 | Wander | Runde 2: Engelberg, Sebastian - Wander, Nikita | Italian Game: Classical Variation, Giuoco Pianissimo, Albin Variation | |
| May 14, 2026 | Baechler | 1–0 | Engelberg | Round 1: Baechler, Andreas - Engelberg, Sebastian | Center Game: Normal Variation | |
| Oct 5, 2025 | Steiner | 0–1 | Engelberg | Round 5: Steiner, Peter Markus - Engelberg, Sebastian | Polish Opening | |
| Oct 4, 2025 | Engelberg | 1–0 | Joehnke | Round 4: Engelberg, Sebastian - Joehnke, Bjoern | Italian Game: Classical Variation, Giuoco Pianissimo, Albin Variation | |
| Oct 4, 2025 | Ploog | 1–0 | Engelberg | Round 3: Ploog, Jakob - Engelberg, Sebastian | Caro-Kann Defense: Advance Variation | |
| Oct 3, 2025 | Neumann | 1–0 | Engelberg | Round 2: Neumann, Jacob - Engelberg, Sebastian | Queen's Pawn Game: Accelerated London System | |
| Oct 3, 2025 | Engelberg | ½–½ | Oita-Dragota | Round 1: Engelberg, Sebastian - Oita-Dragota, Alexandru-Teodor | Italian Game: Classical Variation, Giuoco Pianissimo, Albin Variation | |
| Jun 1, 2025 | Engelberg | ½–½ | Lossie | Round 7: Engelberg, Sebastian - Lossie, Simon | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| May 31, 2025 | Santhosh | 0–1 | Engelberg | Round 6: Santhosh, Mahaniya - Engelberg, Sebastian | Scotch Game: Scotch Gambit | |
| May 31, 2025 | Engelberg | 0–1 | Khazen | Round 5: Engelberg, Sebastian - Khazen, Noah | Sicilian Defense: Alapin Variation | |
| May 30, 2025 | Kern | 1–0 | Engelberg | Round 4: Kern, Burkhard - Engelberg, Sebastian | English Opening: King's English Variation | |
| May 30, 2025 | Engelberg | 1–0 | Viere | Round 3: Engelberg, Sebastian - Viere, Silas | Petrov's Defense: Modern Attack | |
| May 29, 2025 | Farokhi | 1–0 | Engelberg | Round 2: Farokhi, Darian - Engelberg, Sebastian | Italian Game: Classical Variation, Giuoco Pianissimo | |
| May 29, 2025 | Engelberg | 0–1 | Kandora | Round 1: Engelberg, Sebastian - Kandora, Max | Petrov's Defense: Modern Attack, Center Variation | |
| May 12, 2024 | Engelberg | 0–1 | Michael Koop | 3. Itzehoer Schach Open (37-58) | Caro-Kann Defense: Advance Variation, Short Variation | |
| May 11, 2024 | Marmuta | 1–0 | Engelberg | 3. Itzehoer Schach Open (37-58) | Italian Game: Classical Variation | |
| May 11, 2024 | Engelberg | 1–0 | von Flottwell | 3. Itzehoer Schach Open (37-58) | Czech Defense | |
| May 10, 2024 | Engelberg | 1–0 | Schartl | 3. Itzehoer Schach Open (37-58) | Caro-Kann Defense: Exchange Variation | |
| May 10, 2024 | Farouk | 1–0 | Engelberg | 3. Itzehoer Schach Open (37-58) | Pirc Defense: Austrian Attack, Ljubojevic Variation | |
| May 9, 2024 | Engelberg | 0–1 | Oblender | 3. Itzehoer Schach Open (37-58) | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| May 9, 2024 | Margaryan | 1–0 | Engelberg | 3. Itzehoer Schach Open (37-58) | Italian Game: Classical Variation, Albin Gambit | |
