| 5 ago 2026 | Matiashvili, Alexander Michael 2096 | Eilenberg, Jonas 2388 | 0-1 | A40 English Defense | Kreuzberger Schachsommer - Werner-Ott-Open 2026 | 40 | Ver |
| 4 ago 2026 | Eilenberg, Jonas 2388 | Bahner, Julius 2010 | 1-0 | E48 Defensa Nimzoindia: Normal Variation, Classical Defense | Kreuzberger Schachsommer - Werner-Ott-Open 2026 | 24 | Ver |
| 30 jul 2026 | Dimitrijeski, Kristian 2066 | Eilenberg, Jonas 2388 | 0-1 | A57 Gambito Benko: Zaitsev Variation, Nescafe Frappe Attack | Kreuzberger Schachsommer - Werner-Ott-Open 2026 | 24 | Ver |
| 30 jul 2026 | Eilenberg, Jonas 2388 | Szabolcsi, Janos 2182 | 1-0 | D30 Defensa Semieslava: Quiet Variation | Kreuzberger Schachsommer - Werner-Ott-Open 2026 | 55 | Ver |
| 30 jul 2026 | Petersen, Henrik 2292 | Eilenberg, Jonas 2388 | 0-1 | B31 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | Kreuzberger Schachsommer - Werner-Ott-Open 2026 | 30 | Ver |
| 30 jul 2026 | Eilenberg, Jonas 2388 | Tschernatsch, Johannes 2309 | ½-½ | D81 Defensa Grünfeld: Russian Variation, Accelerated Variation | Kreuzberger Schachsommer - Werner-Ott-Open 2026 | 46 | Ver |
| 30 jul 2026 | Krefenstein, Sergej 2069 | Eilenberg, Jonas 2388 | ½-½ | D31 Gambito de Dama rehusado: Queen's Knight Variation | Kreuzberger Schachsommer - Werner-Ott-Open 2026 | 55 | Ver |
| 12 abr 2026 | Buyukasik, Diyap 2245 | Eilenberg, Jonas 2344 | ½-½ | A07 Ataque Indio de Rey: Double Fianchetto | Berliner Einzelmeisterschaft 2026 (M-Klasse) | 74 | Ver |
| 11 abr 2026 | Foerster, Jonas 2250 | Eilenberg, Jonas 2344 | 0-1 | A07 Ataque Indio de Rey | Berliner Einzelmeisterschaft 2026 (M-Klasse) | 33 | Ver |
| 10 abr 2026 | Eilenberg, Jonas 2344 | Richter, Michael 2399 | ½-½ | B15 Defensa Caro-Kann: Tartakower Variation | Berliner Einzelmeisterschaft 2026 (M-Klasse) | 64 | Ver |
| 6 abr 2026 | Lauber, Arnd 2405 | Eilenberg, Jonas 2344 | ½-½ | D25 Gambito de Dama aceptado: Janowski-Larsen Variation | Berliner Einzelmeisterschaft 2026 (M-Klasse) | 39 | Ver |
| 5 abr 2026 | Eilenberg, Jonas 2344 | Jahnz, Laurin 2214 | 1-0 | E44 Defensa Nimzoindia: St. Petersburg Variation, American Variation | Berliner Einzelmeisterschaft 2026 (M-Klasse) | 38 | Ver |
| 4 abr 2026 | Eilenberg, Jonas 2344 | Vavulin, Maxim 2537 | 0-1 | A43 Defensa Benoni: Old Benoni | Berliner Einzelmeisterschaft 2026 (M-Klasse) | 69 | Ver |
| 4 abr 2026 | Hesse, Henrik 2307 | Eilenberg, Jonas 2344 | 0-1 | A20 Apertura Inglesa: Drill Variation | Berliner Einzelmeisterschaft 2026 (M-Klasse) | 43 | Ver |
| 4 abr 2026 | Eilenberg, Jonas 2344 | Florstedt, Johannes 2387 | 1-0 | D85 Defensa Grünfeld: Exchange Variation | Berliner Einzelmeisterschaft 2026 (M-Klasse) | 35 | Ver |
| 4 abr 2026 | Verbitsky, Jaroslaw 2090 | Eilenberg, Jonas 2344 | 0-1 | C47 Apertura de los Cuatro Caballos: Scotch Variation, Schmid Defense | Berliner Einzelmeisterschaft 2026 (M-Klasse) | 33 | Ver |
| 23 nov 2025 | Eilenberg, Jonas 2299 | Rebentisch, Tom 2096 | 1-0 | C50 Apertura Italiana: Giuoco Pianissimo, Normal | German University Chess Championship 2025 | Blitz (Boards 1-100) | 27 | Ver |
| 23 nov 2025 | Ziegenfuss, Antonia 2044 | Eilenberg, Jonas 2299 | 0-1 | D31 Gambito de Dama rehusado: Queen's Knight Variation | German University Chess Championship 2025 | Blitz (Boards 1-100) | 35 | Ver |
| 23 nov 2025 | Eilenberg, Jonas 2299 | Kracht, Raphael 2185 | 0-1 | A57 Gambito Benko | German University Chess Championship 2025 | Blitz (Boards 1-100) | 50 | Ver |
| 23 nov 2025 | Eilenberg, Jonas 2299 | Wagner, Benjamin 2276 | 1-0 | D35 Gambito de Dama rehusado: Exchange Variation, Positional Variation | German University Chess Championship 2025 | Blitz (Boards 1-100) | 45 | Ver |