| 30 may 2026 | Sommer, Justus 2213 | Helms, Finn 2079 | ½-½ | B10 Defensa Caro-Kann: Accelerated Panov Attack, Modern Variation | DEM U18 2026 | 24 | Ver |
| 29 may 2026 | Mester, Philipp 2285 | Sommer, Justus 2213 | 1-0 | D35 Gambito de Dama rehusado: Exchange Variation, Positional Variation | DEM U18 2026 | 60 | Ver |
| 28 may 2026 | Sommer, Justus 2213 | Luebke, Florentin 2220 | ½-½ | C41 Defensa Philidor: Exchange Variation | DEM U18 2026 | 43 | Ver |
| 27 may 2026 | Walter, Richard 2126 | Sommer, Justus 2213 | ½-½ | D31 Gambito de Dama rehusado: Charousek Variation | DEM U18 2026 | 42 | Ver |
| 26 may 2026 | Sommer, Justus 2213 | Moeller, Maurin 2330 | 1-0 | C11 Defensa Francesa: Classical Variation | DEM U18 2026 | 37 | Ver |
| 25 may 2026 | Sommer, Justus 2213 | Klaska, Philipp Leon 2298 | 1-0 | B62 Defensa Siciliana: Richter-Rauzer Variation | DEM U18 2026 | 37 | Ver |
| 24 may 2026 | Apel, Linus 2004 | Sommer, Justus 2213 | 0-1 | C54 Apertura Italiana: Classical Variation, Greco Gambit, Moeller-Therkatz Attack | DEM U18 2026 | 61 | Ver |
| 15 may 2026 | Strehse, Nelson 2292 | Sommer, Justus 2213 | 1-0 | D37 Gambito de Dama rehusado: Harrwitz Attack, Fianchetto Defense | DEM U18 2026 | 62 | Ver |
| 15 may 2026 | Atoyan, Alberto 2378 | Sommer, Justus 2213 | ½-½ | C97 Apertura Española (Ruy López): Closed, Chigorin Defense | DEM U18 2026 | 41 | Ver |
| 5 abr 2026 | Sommer, Justus 2205 | Vollbehr, Bjarne 2230 | 0-1 | C47 Apertura de los Cuatro Caballos: Scotch Variation Accepted | LJEM SH 2026 - U18 | 37 | Ver |
| 30 dic 2025 | Sommer, Justus 2184 | Melestean, Maxim 2079 | 1-0 | C54 Apertura Italiana: Classical Variation, Greco Gambit, Dubov Italian | DVM U20 2025 | 43 | Ver |
| 29 dic 2025 | Schwan, Aaron 2075 | Sommer, Justus 2184 | 0-1 | C54 Apertura Italiana: Classical Variation, Giuoco Pianissimo, with a6 | DVM U20 2025 | 52 | Ver |
| 27 dic 2025 | Sommer, Justus 2184 | Braeutigam, Alexander 2133 | 0-1 | B90 Defensa Siciliana: Najdorf Variation, Adams Attack | DVM U20 2025 | 49 | Ver |
| 24 oct 2025 | Sommer, Justus 2123 | Sari, Yasin 2320 | ½-½ | B62 Defensa Siciliana: Richter-Rauzer Variation | Amsterdam Chess Open 2025 | 59 | Ver |
| 5 oct 2025 | Sommer, Justus 2123 | Herrmann, Arthur 2149 | 1-0 | B33 Defensa Siciliana: Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk Variation | Deutsche Ländermeisterschaft 2025 | 48 | Ver |
| 4 oct 2025 | Mimkes, Antal 2116 | Sommer, Justus 2123 | 0-1 | C77 Apertura Española (Ruy López): Morphy Defense, Mackenzie Variation | Deutsche Ländermeisterschaft 2025 | 24 | Ver |
| 3 oct 2025 | Weber, Nikita 2065 | Sommer, Justus 2123 | ½-½ | D00 Apertura de Peón de Dama | Deutsche Ländermeisterschaft 2025 | 21 | Ver |
| 3 oct 2025 | Sommer, Justus 2123 | Eberle, Triona 2008 | 1-0 | B90 Defensa Siciliana: Najdorf Variation, Adams Attack | Deutsche Ländermeisterschaft 2025 | 39 | Ver |
| 2 oct 2025 | Derr, Oleg 2116 | Sommer, Justus 2123 | ½-½ | C50 Apertura Italiana: Giuoco Pianissimo, Normal | Deutsche Ländermeisterschaft 2025 | 36 | Ver |
| 1 oct 2025 | Sommer, Justus 2123 | Gallasch, Jonas 2298 | 0-1 | B10 Defensa Caro-Kann: Two Knights Attack | Deutsche Ländermeisterschaft 2025 | 46 | Ver |