| Nov 2, 2025 | Pfeiffer | 1–0 | Engelhaupt | Round 6: Pfeiffer, Juri - Engelhaupt, Henry | Queen's Gambit Declined: Orthodox Defense, Botvinnik Variation | |
| Nov 1, 2025 | Groenebaum | 0–1 | Pfeiffer | Round 5: Groenebaum, Benjamin - Pfeiffer, Juri | Scandinavian Defense: Main Line, Mieses Variation | |
| Oct 30, 2025 | Pfeiffer | 1–0 | Schoenrock | Round 7: Pfeiffer, Juri - Schoenrock, Elia | Queen's Gambit Declined | |
| Oct 30, 2025 | Pfeiffer | 0–1 | Berger | Round 4: Pfeiffer, Juri - Berger, Lars | King's Indian Defense: Normal Variation | |
| Oct 30, 2025 | Peschke | 0–1 | Pfeiffer | Round 3: Peschke, Andres - Pfeiffer, Juri | Indian Defense: Knights Variation | |
| Apr 18, 2025 | Pfeiffer | 1–0 | Wendt | Runde 8: Pfeiffer, Juri - Wendt, Felix | Queen's Gambit Declined: Modern Variation | |
| Apr 17, 2025 | Petrow | 1–0 | Pfeiffer | Runde 7: Petrow, Andre - Pfeiffer, Juri | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Apr 16, 2025 | Enes Gümüs | 1–0 | Pfeiffer | Runde 6: Enes Gümüs - Pfeiffer, Juri | Caro-Kann Defense: Exchange Variation | |
| Apr 16, 2025 | Pfeiffer | 0–1 | Farouk | Runde 5: Pfeiffer, Juri - Farouk, Isa Mohideen | King's Indian Defense: Normal Variation, Rare Defenses | |
| Apr 16, 2025 | Schaper | ½–½ | Pfeiffer | Runde 4: Schaper, Jan Erik - Pfeiffer, Juri | Queen's Pawn Game: Chigorin Variation | |
| Apr 16, 2025 | Sickmann | 1–0 | Pfeiffer | Runde 3: Sickmann, Lisa - Pfeiffer, Juri | Caro-Kann Defense: Tartakower Variation | |
| Apr 16, 2025 | Pfeiffer | 1–0 | Odor | Runde 2: Pfeiffer, Juri - Odor, Levente-Ferenc | Queen's Gambit Declined | |
| Apr 16, 2025 | Pfeiffer | 1–0 | Alshaal | Runde 1: Pfeiffer, Juri - Alshaal, Nayar | Queen's Pawn Game | |
| Apr 16, 2025 | Pfeiffer | 1–0 | Li | Runde 6: Pfeiffer, Juri - Li, Luxuan | Grünfeld Defense: Three Knights Variation, Hungarian Variation | |
| Apr 16, 2025 | Pfeiffer | 1–0 | Kutz | Runde 5: Pfeiffer, Juri - Kutz, Ida Klara | Benoni Defense: Classical Variation, Full Line | |
| Apr 15, 2025 | Junge | ½–½ | Pfeiffer | Runde 4: Junge, Julia Marie - Pfeiffer, Juri | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Apr 14, 2025 | Staubus | 0–1 | Pfeiffer | Runde 6: Staubus, Noah - Pfeiffer, Juri | Indian Defense | |
| Apr 14, 2025 | Pfeiffer | 0–1 | Rose | Runde 5: Pfeiffer, Juri - Rose, Simeon | Dutch Defense: Queen's Knight Variation | |
| Apr 14, 2025 | Maximilian Rinow | 1–0 | Pfeiffer | Runde 4: Maximilian Rinow - Pfeiffer, Juri | Slav Defense | |
| Apr 14, 2025 | Krueger | 0–1 | Pfeiffer | Runde 3: Krueger, Tom - Pfeiffer, Juri | Four Knights Game: Italian Variation | |
| Apr 14, 2025 | Reinhardt | 1–0 | Pfeiffer | Runde 2: Reinhardt, Maximilian Christian - Pfeiffer, Juri | King's Indian Attack | |
| Apr 14, 2025 | Odor | 0–1 | Pfeiffer | Runde 1: Odor, Levente-Ferenc - Pfeiffer, Juri | Scandinavian Defense: Main Line, Mieses Variation | |
| Apr 14, 2025 | Pfeiffer | 1–0 | Johannsen | Runde 3: Pfeiffer, Juri - Johannsen, Bjarne | Queen's Gambit Declined: Cambridge Springs Defense | |
| Apr 14, 2025 | Hieke | 1–0 | Pfeiffer | Runde 2: Hieke, Jonas - Pfeiffer, Juri | Scandinavian Defense: Lasker Variation | |
| Apr 13, 2025 | Pfeiffer | 1–0 | Hamm | Landesjugendeinzelmeisterschaft SH 2025 | Queen's Gambit Declined: Marshall Defense | |
| Apr 12, 2025 | Rose | 0–1 | Pfeiffer | Runde 9: Rose, Simeon - Pfeiffer, Juri | Caro-Kann Defense: Panov Attack, Modern Defense | |
