| May 30, 2026 | Sommer | ½–½ | Helms | DEM U18 2026 | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| May 29, 2026 | Mester | 1–0 | Sommer | DEM U18 2026 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 28, 2026 | Sommer | ½–½ | Luebke | DEM U18 2026 | Philidor Defense: Exchange Variation | |
| May 27, 2026 | Walter | ½–½ | Sommer | DEM U18 2026 | Queen's Gambit Declined: Charousek Variation | |
| May 26, 2026 | Sommer | 1–0 | Moeller | DEM U18 2026 | French Defense: Classical Variation | |
| May 25, 2026 | Sommer | 1–0 | Klaska | DEM U18 2026 | Sicilian Defense: Richter-Rauzer Variation | |
| May 24, 2026 | Apel | 0–1 | Sommer | DEM U18 2026 | Italian Game: Classical Variation, Greco Gambit, Moeller-Therkatz Attack | |
| May 15, 2026 | Strehse | 1–0 | Sommer | DEM U18 2026 | Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense | |
| May 15, 2026 | Atoyan | ½–½ | Sommer | DEM U18 2026 | Ruy Lopez: Closed, Chigorin Defense | |
| Apr 10, 2026 | Voss | 0–1 | Sommer | Round 7: Voss, Alexander - Sommer, Justus | Italian Game: Two Knights Defense, Ulvestad Variation | |
| Apr 7, 2026 | Sala | 0–1 | Sommer | Round 3: Sala, Oezkan - Sommer, Justus | King's Indian Attack | |
| Apr 7, 2026 | Sommer | 1–0 | Lieb | Round 2: Sommer, Justus - Lieb, Max | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Apr 6, 2026 | Heizmann | 0–1 | Sommer | Round 1: Heizmann, Anton - Sommer, Justus | King's Knight Opening: Konstantinopolsky | |
| Apr 5, 2026 | Sommer | 1–0 | Petrow | Round 8: Sommer, Justus - Petrow, Andre | Caro-Kann Defense: Forgacs Variation | |
| Apr 5, 2026 | Sommer | 0–1 | Vollbehr | Round 6: Sommer, Justus - Vollbehr, Bjarne | Four Knights Game: Scotch Variation Accepted | |
| Apr 5, 2026 | Sargsyan | 0–1 | Sommer | Round 5: Sargsyan, Narek - Sommer, Justus | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| Apr 5, 2026 | Sommer | 1–0 | Lorenzen | Round 4: Sommer, Justus - Lorenzen, Peer | Nimzowitsch Defense: Williams Variation | |
| Dec 30, 2025 | Sommer | 1–0 | Melestean | DVM U20 2025 | Italian Game: Classical Variation, Center Attack | |
| Dec 29, 2025 | Gieringer | 0–1 | Sommer | DVM U20 2025 | English Opening: Agincourt Defense | |
| Dec 29, 2025 | Schwan | 0–1 | Sommer | DVM U20 2025 | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| Dec 28, 2025 | Sommer | ½–½ | Hasenpflug | DVM U20 2025 | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | |
| Dec 28, 2025 | Haug | 0–1 | Sommer | DVM U20 2025 | Center Game: Normal Variation | |
| Dec 27, 2025 | Sommer | 0–1 | Braeutigam | DVM U20 2025 | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Dec 27, 2025 | Kittel | 0–1 | Sommer | DVM U20 2025 | Rat Defense: English Rat | |
| Oct 24, 2025 | Sommer | ½–½ | Sari | Amsterdam Chess Open 2025 | Sicilian Defense: Richter-Rauzer Variation | |
| Oct 5, 2025 | Sommer | 1–0 | Herrmann | Deutsche Ländermeisterschaft 2025 | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk Variation | |
| Oct 4, 2025 | Mimkes | 0–1 | Sommer | Deutsche Ländermeisterschaft 2025 | Ruy Lopez: Morphy Defense, Mackenzie Variation | |
| Oct 3, 2025 | Weber | ½–½ | Sommer | Deutsche Ländermeisterschaft 2025 | Queen's Pawn Game | |
| Oct 3, 2025 | Sommer | 1–0 | Eberle | Deutsche Ländermeisterschaft 2025 | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Oct 2, 2025 | Derr | ½–½ | Sommer | Deutsche Ländermeisterschaft 2025 | Italian Game: Giuoco Pianissimo, Normal | |
| Oct 1, 2025 | Sommer | 1–0 | Derhay | Deutsche Ländermeisterschaft 2025 | Ruy Lopez: Morphy Defense, Neo-Arkhangelsk Variation | |
| Oct 1, 2025 | Sommer | 0–1 | Gallasch | Deutsche Ländermeisterschaft 2025 | Caro-Kann Defense: Two Knights Attack | |
| May 4, 2025 | Sommer | ½–½ | Richter | Round 5: Sommer, Justus - Richter, Michael | Caro-Kann Defense: Forgacs Variation | |
| May 3, 2025 | Sommer | ½–½ | Braeutigam | Round 3: Sommer, Justus - Braeutigam, Alexander | Sicilian Defense: Najdorf Variation, Adams Attack | |
| May 3, 2025 | Glienke | 0–1 | Sommer | Round 4: Glienke, Manfred, Dr. - Sommer, Justus | Scotch Game: Schmidt Variation | |
| May 2, 2025 | Sommer | 0–1 | Reichmann | Round 1: Sommer, Justus - Reichmann, Hendrik | Modern Defense: Standard Line | |
| May 2, 2025 | Teichert | 0–1 | Sommer | Round 2: Teichert, Felix - Sommer, Justus | Bishop's Opening: Vienna Hybrid, Spielmann Attack | |
| May 25, 2024 | Sommer | 0–1 | Wunderlich | DEM U16 2024 | French Defense: Winawer Variation, Advance Variation | |
| May 24, 2024 | Helms | 0–1 | Sommer | DEM U16 2024 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| May 23, 2024 | Sommer | 0–1 | Haubold | DEM U16 2024 | Italian Game: Scotch Gambit, Max Lange Attack, Long Variation | |
| May 22, 2024 | Sommer | ½–½ | Strehse | DEM U16 2024 | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| May 22, 2024 | Semling | ½–½ | Sommer | DEM U16 2024 | Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense | |
| May 21, 2024 | Braeutigam | ½–½ | Sommer | DEM U16 2024 | Queen's Gambit Declined: Charousek Variation | |
| May 20, 2024 | Sommer | ½–½ | Klaska | DEM U16 2024 | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| May 19, 2024 | Sommer | 1–0 | Oldenburg | DEM U16 2024 | Caro-Kann Defense: Panov Attack, Modern Defense, Mieses Line | |
| May 19, 2024 | Moeller | ½–½ | Sommer | DEM U16 2024 | Catalan Opening: Open Defense | |
| Dec 16, 2024 | Sommer | 0–1 | Banh Gia Huy | Round 3.2: Sommer, Justus - Banh Gia Huy | French Defense: MacCutcheon Variation, Wolf Gambit | |
| Dec 16, 2024 | Sommer | 0–1 | Bajda | Round 4.2: Sommer, Justus - Bajda, Zan | Caro-Kann Defense: Panov Attack, Fianchetto Defense | |
| Dec 16, 2024 | Sommer | 0–1 | Tran Ngoc Minh Duy | Round 6.2: Sommer, Justus - Tran Ngoc Minh Duy | Caro-Kann Defense: Panov Attack, Modern Defense, Mieses Line | |
| Dec 16, 2024 | Banh Gia Huy | 1–0 | Sommer | Round 3.1: Banh Gia Huy - Sommer, Justus | Ruy Lopez: Exchange Variation, Normal Variation | |
| Dec 16, 2024 | Bajda | ½–½ | Sommer | Round 4.1: Bajda, Zan - Sommer, Justus | Queen's Gambit Declined: Charousek Variation | |
| Dec 16, 2024 | Tran Ngoc Minh Duy | 1–0 | Sommer | Round 6.1: Tran Ngoc Minh Duy - Sommer, Justus | Four Knights Game: Scotch Variation Accepted | |
| Nov 3, 2024 | Heutling | 1–0 | Sommer | Round 7: Heutling, Elina - Sommer, Justus | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Nov 2, 2024 | Sommer | 0–1 | Noennig | Round 6: Sommer, Justus - Noennig, Jakob | Ruy Lopez: Morphy Defense, Cozio Defense | |
| Nov 2, 2024 | Bracker | 1–0 | Sommer | Round 5: Bracker, Frank - Sommer, Justus | King's Indian Attack | |
| Nov 1, 2024 | Sommer | ½–½ | Hansch | Round 4: Sommer, Justus - Hansch, Karsten | Sicilian Defense: Taimanov Variation | |
| Nov 1, 2024 | de Voogt | 0–1 | Sommer | Round 3: de Voogt, Juergen - Sommer, Justus | Italian Game: Giuoco Pianissimo | |
| Oct 31, 2024 | Sommer | ½–½ | Lammers | Round 2: Sommer, Justus - Lammers, Markus | Scandinavian Defense: Marshall Variation | |
| Oct 31, 2024 | Hielscher | 0–1 | Sommer | Round 1: Hielscher, Fabian - Sommer, Justus | Queen's Gambit Declined: Orthodox Defense | |
| Aug 10, 2024 | Sommer | 0–1 | Zwirs | Round 1: Sommer, Justus - Zwirs, Nico | Sicilian Defense: Moscow Variation, Main Line | |
| Nov 24, 2023 | Sommer | 1–0 | Radzimski | WYCC_2023_Open_U14 | Petrov's Defense: Modern Attack, Center Variation | |
| Nov 23, 2023 | Nurgaliyev | 1–0 | Sommer | WYCC_2023_Open_U14 | King's Indian Attack | |
| Nov 22, 2023 | Sommer | 1–0 | Besou | WYCC_2023_Open_U14 | Sicilian Defense: Moscow Variation | |
| Nov 21, 2023 | Agasarov | 1–0 | Sommer | WYCC_2023_Open_U14 | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Nov 20, 2023 | Sommer | 1–0 | Zienkiewicz | WYCC_2023_Open_U14 | Ruy Lopez: Closed | |
| Nov 18, 2023 | Sharshenbekov | ½–½ | Sommer | WYCC_2023_Open_U14 | Four Knights Game: Spanish Variation, Symmetrical Variation | |
| Nov 17, 2023 | Sommer | ½–½ | Balint | WYCC_2023_Open_U14 | Ruy Lopez: Morphy Defense, Arkhangelsk Variation | |
| Nov 16, 2023 | Villa Tornero | ½–½ | Sommer | u14 | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Nov 14, 2023 | Goh | 1–0 | Sommer | u14 | Catalan Opening: Open Defense, Classical Line | |
| Oct 5, 2023 | Nechitaylo | ½–½ | Sommer | Deutsche Ländermeisterschaft 2023 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Oct 4, 2023 | Neuhoff | 1–0 | Sommer | Deutsche Ländermeisterschaft 2023 | Italian Game: Classical Variation, Greco Gambit | |
| Oct 3, 2023 | Sommer | 1–0 | Uyar | Deutsche Ländermeisterschaft 2023 | Ruy Lopez: Open, Bernstein Variation | |
| Oct 2, 2023 | Udelnov | 1–0 | Sommer | Deutsche Ländermeisterschaft 2023 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Oct 1, 2023 | Sommer | ½–½ | Möller | Deutsche Ländermeisterschaft 2023 | Sicilian Defense: Four Knights Variation | |
| Oct 1, 2023 | Unbehend | 0–1 | Sommer | Deutsche Ländermeisterschaft 2023 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Apr 16, 2023 | Sommer | * | Borne | Menorca Open | ? | |
| Apr 15, 2023 | Sommer | * | Srivatsan Karthikeyan | Menorca Open | ? | |
| Apr 15, 2023 | Gonzalez Gonzalez | * | Sommer | Menorca Open | ? | |
| Apr 14, 2023 | Zwahr | * | Sommer | Menorca Open | ? | |
| Apr 13, 2023 | Sommer | * | Barzen | Menorca Open | ? | |
| Apr 13, 2023 | Cemborain Oricain | * | Sommer | Menorca Open | ? | |
| Apr 12, 2023 | Sommer | 0–1 | Dahl | Menorca Open | ? | |
| Apr 12, 2023 | Sureda Gonzalez | 0–1 | Sommer | Menorca Open | ? | |
| Apr 11, 2023 | Sommer | 0–1 | Xu | Menorca Open | ? | |
| Jul 22, 2022 | Wagner | * | Sommer | open | ? | |
| Jul 21, 2022 | Pubantz | * | Sommer | open | ? | |
| Jul 19, 2022 | Rott | * | Sommer | open | ? | |
| Jun 11, 2022 | Sommer | 1–0 | Möller | DEM U14 2022 | Sicilian Defense: Delayed Alapin Variation | |
| Jun 10, 2022 | Mader | 0–1 | Sommer | DEM U14 2022 | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| Jun 9, 2022 | Sommer | ½–½ | Torosyan | DEM U14 2022 | Sicilian Defense: Moscow Variation | |
| Jun 8, 2022 | Sommer | * | Deuer | DEM U14 2022 | Caro-Kann Defense: Panov Attack, Modern Defense | |
| Jun 8, 2022 | Krüger | ½–½ | Sommer | DEM U14 2022 | Four Knights Game: Scotch Variation Accepted | |
| Jun 7, 2022 | Wunderlich | 0–1 | Sommer | DEM U14 2022 | Ruy Lopez: Open Berlin Defense, Showalter Variation | |
| Jun 6, 2022 | Sommer | 1–0 | Deschler | DEM U14 2022 | Caro-Kann Defense: Panov Attack | |
| Jun 5, 2022 | Sommer | * | Schreidl | DEM U14 2022 | Italian Game: Giuoco Piano, Rosentreter Variation | |
| Jun 5, 2022 | Eichhorn | * | Sommer | DEM U14 2022 | Queen's Pawn Game: Levitsky Attack | |
| Feb 6, 2022 | Sommer | * | Oest | chessemy open 2022 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Feb 5, 2022 | Bischoff | ½–½ | Sommer | chessemy open 2022 | Catalan Opening: Open Defense, Classical Line | |
| Feb 4, 2022 | Alquist | 0–1 | Sommer | chessemy open 2022 | Semi-Slav Defense: Main Line | |
| Feb 3, 2022 | Sommer | ½–½ | Pfau | chessemy open 2022 | Modern Defense: Standard Defense | |