| Apr 11, 2026 | Charchulla | 1–0 | Lanert | Round 8: Charchulla, Moritz - Lanert, Theodor | Bogo-Indian Defense: Exchange Variation | |
| Apr 10, 2026 | Lanert | ½–½ | Franke | Round 7: Lanert, Theodor - Franke, Jacob | Grünfeld Defense: Stockholm Variation | |
| Apr 9, 2026 | Aguike | 1–0 | Lanert | Round 10: Aguike, Chidera - Lanert, Theodor | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Apr 9, 2026 | Lanert | 1–0 | Schwerdt | Round 9: Lanert, Theodor - Schwerdt, Alwin Elias | Italian Game: Giuoco Piano | |
| Apr 9, 2026 | Sasse | 1–0 | Lanert | Round 8: Sasse, Conan - Lanert, Theodor | King's Indian Defense: Normal Variation, Rare Defenses | |
| Apr 9, 2026 | Lanert | 1–0 | Schaper | Round 7: Lanert, Theodor - Schaper, Jan Erik | Scandinavian Defense: Valencian Variation | |
| Apr 9, 2026 | Lanert | 1–0 | Janiak | Round 5: Lanert, Theodor - Janiak, Eryk | Sicilian Defense: Kan Variation, Knight Variation | |
| Apr 9, 2026 | Fischer | 0–1 | Lanert | Round 4: Fischer, Nikolai - Lanert, Theodor | King's Indian Defense: Zinnowitz Variation | |
| Apr 9, 2026 | Lanert | 1–0 | Wendt | Round 3: Lanert, Theodor - Wendt, Felix | Caro-Kann Defense: Tartakower Variation | |
| Apr 9, 2026 | Paepke | 0–1 | Lanert | Round 2: Paepke, Aaron - Lanert, Theodor | Sicilian Defense: Smith-Morra Gambit Declined, Push Variation | |
| Apr 9, 2026 | Lanert | 1–0 | Steinfeldt | Round 1: Lanert, Theodor - Steinfeldt, Benno | Petrov's Defense: Cozio Attack | |
| Apr 9, 2026 | Stegert | 1–0 | Lanert | Round 6: Stegert, Jonas - Lanert, Theodor | King's Indian Defense: Semi-Averbakh System | |
| Apr 9, 2026 | Farouk | 0–1 | Lanert | Round 5: Farouk, Isa Mohideen - Lanert, Theodor | Indian Defense: Reversed Chigorin Defense | |
| Apr 7, 2026 | Yueksel | ½–½ | Lanert | Round 3: Yueksel, Aran - Lanert, Theodor | Benoni Defense: Old Benoni | |
| Apr 7, 2026 | Lanert | 1–0 | Nguyen | Round 2: Lanert, Theodor - Nguyen, Bao Nam | French Defense: Winawer Variation, Alekhine-Maróczy Gambit | |
| Apr 6, 2026 | Holtemoeller | 0–1 | Lanert | Round 1: Holtemoeller, Pascal - Lanert, Theodor | Sicilian Defense: Old Sicilian | |
| Apr 5, 2026 | Lanert | 0–1 | Moskalenko | Round 6: Lanert, Theodor - Moskalenko, Michael | Sicilian Defense: Four Knights Variation, Cobra Variation | |
| Apr 5, 2026 | Lanert | 1–0 | Steinfeldt | Round 4: Lanert, Theodor - Steinfeldt, Carlo | Vienna Game: Vienna Gambit, Paulsen Attack | |
| Oct 5, 2025 | Richter | ½–½ | Lanert | Round 5: Richter, Thomas - Lanert, Theodor | Sicilian Defense: Snyder Variation | |
| Oct 4, 2025 | Lanert | 0–1 | Roth | Round 4: Lanert, Theodor - Roth, Thorsten | Italian Game: Two Knights Defense | |
| Oct 4, 2025 | Porth | ½–½ | Lanert | Round 3: Porth, Hartmut - Lanert, Theodor | Sicilian Defense | |
| Oct 3, 2025 | Lanert | 1–0 | Prasanth | Round 2: Lanert, Theodor - Prasanth, Rishi | Italian Game: Two Knights Defense | |
| Oct 3, 2025 | Lichtmannecker | 1–0 | Lanert | Round 1: Lichtmannecker, Daniel - Lanert, Theodor | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jun 14, 2025 | Lanert | 0–1 | Lee | DEM U14 2025 | Semi-Slav Defense: Quiet Variation | |
| Jun 13, 2025 | Lanert | ½–½ | Park | DEM U14 2025 | Sicilian Defense: Moscow Variation, Main Line | |
| Jun 12, 2025 | Meitzner | ½–½ | Lanert | DEM U14 2025 | Queen's Pawn Game: Symmetrical Variation | |
| Jun 11, 2025 | Vakeel | ½–½ | Lanert | DEM U14 2025 | Nimzo-Indian Defense: Classical Variation | |
| Jun 11, 2025 | Lanert | ½–½ | Leonhardt | DEM U14 2025 | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Jun 10, 2025 | Svanidze | 1–0 | Lanert | DEM U14 2025 | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Jun 9, 2025 | Lanert | ½–½ | Fritzsche | DEM U14 2025 | Sicilian Defense: O'Kelly Variation, Venice System | |
| Jun 8, 2025 | Stephanblome | 1–0 | Lanert | DEM U14 2025 | Nimzo-Indian Defense | |
| Jun 8, 2025 | Lanert | 0–1 | Vranckx | DEM U14 2025 | French Defense: Exchange Variation, Monte Carlo Variation | |
| Apr 19, 2025 | Lanert | 1–0 | Arslan | Runde 9: Lanert, Theodor - Arslan, Savas | Caro-Kann Defense: Classical Variation | |
| Apr 17, 2025 | Lanert | 1–0 | Aguike | Runde 7: Lanert, Theodor - Aguike, Chidera | Scotch Game: Classical Variation | |
| Apr 16, 2025 | Lanert | 1–0 | Nrecaj | Runde 9: Lanert, Theodor - Nrecaj, Albert | Scandinavian Defense: Panov Transfer | |
| Apr 16, 2025 | Sasse | 1–0 | Lanert | Runde 8: Sasse, Conan - Lanert, Theodor | King's Indian Defense: Exchange Variation | |
| Apr 16, 2025 | Lanert | ½–½ | Janiak | Runde 7: Lanert, Theodor - Janiak, Eryk | Sicilian Defense: Scheveningen Variation, Classical Variation | |
| Apr 16, 2025 | Priemer | 0–1 | Lanert | Runde 6: Priemer, Siegfried - Lanert, Theodor | King's Indian Defense: Smyslov Variation | |
| Apr 16, 2025 | Lanert | ½–½ | Thanisch | Runde 5: Lanert, Theodor - Thanisch, Matthias | Sicilian Defense: Four Knights Variation | |
| Apr 16, 2025 | Solar | 0–1 | Lanert | Runde 4: Solar, Mavi - Lanert, Theodor | Sicilian Defense: Old Sicilian | |
| Apr 16, 2025 | Lanert | 1–0 | Krueger | Runde 3: Lanert, Theodor - Krueger, Tom | Italian Game: Giuoco Piano | |
| Apr 16, 2025 | Stegert | 1–0 | Lanert | Runde 2: Stegert, Jonas - Lanert, Theodor | Benoni Defense: Hromádka System | |
| Apr 16, 2025 | Lanert | 1–0 | Rajesh | Runde 1: Lanert, Theodor - Rajesh, Avaneesh | Ware Opening: Meadow Hay Trap | |
| Apr 15, 2025 | Kutz | 0–1 | Lanert | Runde 4: Kutz, Paul Matti - Lanert, Theodor | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Apr 14, 2025 | Lanert | 0–1 | Sala | Runde 7: Lanert, Theodor - Sala, Oezkan | King's Indian Defense: Normal Variation, Standard Development | |
| Apr 14, 2025 | Lanert | ½–½ | Meiber | Runde 6: Lanert, Theodor - Meiber, Alexander | Pirc Defense: Byrne Variation | |
| Apr 14, 2025 | Bendixen | 1–0 | Lanert | Runde 1: Bendixen, Matthes - Lanert, Theodor | Sicilian Defense: Smith-Morra Gambit Declined, Push Variation | |
| Apr 14, 2025 | Lanert | 1–0 | Prigandt | Runde 3: Lanert, Theodor - Prigandt, Junis | Sicilian Defense: Dragon Variation, Yugoslav Attack, Belezky Line | |
| Apr 14, 2025 | Yueksel | 0–1 | Lanert | Runde 2: Yueksel, Aran - Lanert, Theodor | Sicilian Defense: Closed, Traditional | |
| Apr 13, 2025 | Lanert | 1–0 | Jonas Bandholz | Runde 1: Lanert, Theodor - Jonas Bandholz | Italian Game: Scotch Gambit, Max Lange Attack, Spielmann Defense | |
| Apr 12, 2025 | Charchulla | ½–½ | Lanert | Runde 8: Charchulla, Moritz - Lanert, Theodor | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Apr 12, 2025 | Sasse | 1–0 | Lanert | Runde 6: Sasse, Conan - Lanert, Theodor | King's Indian Defense: Exchange Variation | |
| Apr 12, 2025 | Lanert | 1–0 | Schroeder | Runde 5: Lanert, Theodor - Schroeder, Jakob | French Defense: Classical Variation, Normal Variation | |
| May 25, 2024 | Lanert | 1–0 | Obermair | DEM U12 2024 | Sicilian Defense: O'Kelly Variation, Aronin System | |
| May 24, 2024 | Grabowski | 0–1 | Lanert | DEM U12 2024 | Rapport-Jobava System | |
| May 23, 2024 | Lanert | 0–1 | Wettstein | DEM U12 2024 | Italian Game: Classical Variation, Center Attack | |
| May 22, 2024 | Lanert | ½–½ | Lee | DEM U12 2024 | Sicilian Defense: O'Kelly Variation, Normal System, Taimanov Line | |
| May 22, 2024 | Draude | ½–½ | Lanert | DEM U12 2024 | Sicilian Defense: Four Knights Variation | |
| May 21, 2024 | Moskalenko | 1–0 | Lanert | DEM U12 2024 | King's Indian Defense: Orthodox Variation, Glek Defense | |
| May 20, 2024 | Lanert | 0–1 | Chua | DEM U12 2024 | Sicilian Defense: Dragon Variation | |
| May 19, 2024 | Lanert | 1–0 | Schmidt | DEM U12 2024 | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| May 19, 2024 | Tarasenko | ½–½ | Lanert | DEM U12 2024 | King's Indian Defense: Makogonov Variation | |
| Oct 5, 2023 | Lanert | 0–1 | Wilmink | Deutsche Ländermeisterschaft 2023 | Italian Game: Two Knights Defense | |
| Oct 4, 2023 | Lanert | ½–½ | Nguyen | Deutsche Ländermeisterschaft 2023 | French Defense: MacCutcheon Variation, Wolf Gambit | |
| Oct 3, 2023 | Kateryniuk | ½–½ | Lanert | Deutsche Ländermeisterschaft 2023 | Sicilian Defense: Alapin Variation, Barmen Defense, Modern Line | |
| Oct 3, 2023 | Loos | 0–1 | Lanert | Deutsche Ländermeisterschaft 2023 | Nimzo-Larsen Attack: Indian Variation | |
| Oct 2, 2023 | Lanert | 1–0 | Shevchenko | Deutsche Ländermeisterschaft 2023 | Caro-Kann Defense: Panov Attack | |
| Oct 1, 2023 | Lanert | 0–1 | Färber | Deutsche Ländermeisterschaft 2023 | French Defense: Exchange Variation, Monte Carlo Variation | |
| Oct 1, 2023 | Rudolph | 0–1 | Lanert | Deutsche Ländermeisterschaft 2023 | Sicilian Defense: Grand Prix Attack | |
| Jun 11, 2022 | Fadeev | 0–1 | Lanert | DEM U10 2022 | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Jun 10, 2022 | Lanert | 1–0 | Fritzsche | DEM U10 2022 | Italian Game: Scotch Gambit, Max Lange Attack | |
| Jun 10, 2022 | Fels | 0–1 | Lanert | DEM U10 2022 | Indian Defense: Reversed Chigorin Defense | |
| Jun 9, 2022 | Lanert | 1–0 | Andersen | DEM U10 2022 | Italian Game: Scotch Gambit, de Riviere Defense | |
| Jun 8, 2022 | Lanert | 0–1 | Chua | DEM U10 2022 | Italian Game: Deutz Gambit | |
| Jun 8, 2022 | Wolf | 1–0 | Lanert | DEM U10 2022 | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Jun 7, 2022 | Belin | 1–0 | Lanert | DEM U10 2022 | Trompowsky Attack: Classical Defense, Big Center Variation | |
| Jun 6, 2022 | Lanert | 1–0 | Fischer | DEM U10 2022 | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Jun 6, 2022 | Junge | 1–0 | Lanert | DEM U10 2022 | Caro-Kann Defense | |
| Jun 5, 2022 | Lanert | 1–0 | Li | DEM U10 2022 | Scotch Game: Scotch Gambit, Advance Variation | |
| Jun 5, 2022 | Peglau | * | Lanert | DEM U10 2022 | King's Indian Defense: Sämisch Variation, Orthodox Variation | |