| Apr 9, 2026 | Schaper | 0–1 | Froehlich | Round 10: Schaper, Jan Erik - Froehlich, Sascha | English Opening: Anglo-Indian Defense | |
| Apr 9, 2026 | Priemer | 1–0 | Schaper | Round 9: Priemer, Siegfried - Schaper, Jan Erik | Slav Defense: Exchange Variation, Symmetrical Line | |
| Apr 9, 2026 | Schaper | 0–1 | Meiber | Round 8: Schaper, Jan Erik - Meiber, Alexander | Horwitz Defense | |
| Apr 9, 2026 | Lanert | 1–0 | Schaper | Round 7: Lanert, Theodor - Schaper, Jan Erik | Scandinavian Defense: Valencian Variation | |
| Apr 9, 2026 | Schaper | 1–0 | Schwerdt | Round 6: Schaper, Jan Erik - Schwerdt, Alwin Elias | Rapport-Jobava System | |
| Apr 9, 2026 | Schoenrock | 0–1 | Schaper | Round 5: Schoenrock, Elia - Schaper, Jan Erik | Scandinavian Defense: Valencian Variation | |
| Apr 9, 2026 | Schaper | 1–0 | Schiller | Round 4: Schaper, Jan Erik - Schiller, Kasimir | Rapport-Jobava System | |
| Apr 9, 2026 | Haidary | 0–1 | Schaper | Round 3: Haidary, Hadi - Schaper, Jan Erik | Scandinavian Defense: Valencian Variation | |
| Apr 9, 2026 | Schaper | 0–1 | Staeblein | Round 2: Schaper, Jan Erik - Staeblein, Christoph | Rapport-Jobava System | |
| Apr 9, 2026 | Pascal Samsel | 0–1 | Schaper | Round 1: Pascal Samsel - Schaper, Jan Erik | Pirc Defense | |
| Jun 1, 2025 | Schaper | 0–1 | Schroeder | Round 7: Schaper, Jan Erik - Schroeder, Jakob | Rapport-Jobava System, with e6 | |
| May 31, 2025 | Charchulla | 1–0 | Schaper | Round 6: Charchulla, Moritz - Schaper, Jan Erik | Scandinavian Defense: Valencian Variation, Main Line | |
| May 31, 2025 | Schaper | ½–½ | Rockmann | Round 5: Schaper, Jan Erik - Rockmann, Enno | Indian Defense: London System | |
| May 30, 2025 | Lick | 1–0 | Schaper | Round 4: Lick, Patrick - Schaper, Jan Erik | Caro-Kann Defense: Two Knights Attack | |
| May 30, 2025 | Schaper | ½–½ | Pittelkow | Round 3: Schaper, Jan Erik - Pittelkow, Andreas, Dr. | Rapport-Jobava System | |
| May 29, 2025 | Christiansen | 0–1 | Schaper | Round 2: Christiansen, Jana-Marie - Schaper, Jan Erik | English Opening: Caro-Kann Defensive System | |
| May 29, 2025 | Schaper | 1–0 | Krueger | Round 1: Schaper, Jan Erik - Krueger, Dietrich | Rapport-Jobava System | |
| Apr 16, 2025 | Kurschis | 1–0 | Schaper | Runde 9: Kurschis, Anton - Schaper, Jan Erik | Slav Defense: Geller Gambit | |
| Apr 16, 2025 | Schaper | ½–½ | Paepke | Runde 8: Schaper, Jan Erik - Paepke, Aaron | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Apr 16, 2025 | Li | 1–0 | Schaper | Runde 7: Li, Luxuan - Schaper, Jan Erik | Pirc Defense: Austrian Attack, Kurajica Variation | |
| Apr 16, 2025 | Schaper | 0–1 | Manz | Runde 6: Schaper, Jan Erik - Manz, Lukas | Indian Defense | |
| Apr 16, 2025 | Sickmann | 1–0 | Schaper | Runde 5: Sickmann, Lisa - Schaper, Jan Erik | Pirc Defense | |
| Apr 16, 2025 | Schaper | ½–½ | Pfeiffer | Runde 4: Schaper, Jan Erik - Pfeiffer, Juri | Queen's Pawn Game: Chigorin Variation | |
| Apr 16, 2025 | Erik Fiete Meinke | 0–1 | Schaper | Runde 3: Erik Fiete Meinke - Schaper, Jan Erik | Pirc Defense: Classical Variation | |
| Apr 16, 2025 | Schaper | 1–0 | Hellenbroich | Runde 2: Schaper, Jan Erik - Hellenbroich, Alfred | Queen's Pawn Game: Accelerated London System | |
| Apr 16, 2025 | Pritzlaff | 1–0 | Schaper | Runde 1: Pritzlaff, Tim - Schaper, Jan Erik | Rapport-Jobava System, with e6 | |