| Apr 12, 2026 | Buyukasik | ½–½ | Eilenberg | Round 9: Buyukasik, Diyap - Eilenberg, Jonas | King's Indian Attack: Double Fianchetto | |
| Apr 11, 2026 | Foerster | 0–1 | Eilenberg | Round 8: Foerster, Jonas - Eilenberg, Jonas | King's Indian Attack | |
| Apr 10, 2026 | Eilenberg | ½–½ | Richter | Round 7: Eilenberg, Jonas - Richter, Michael | Caro-Kann Defense: Tartakower Variation | |
| Apr 6, 2026 | Lauber | ½–½ | Eilenberg | Round 3: Lauber, Arnd - Eilenberg, Jonas | Queen's Gambit Accepted: Janowski-Larsen Variation | |
| Apr 5, 2026 | Eilenberg | 1–0 | Jahnz | Round 2: Eilenberg, Jonas - Jahnz, Laurin | Nimzo-Indian Defense: St. Petersburg Variation, American Variation | |
| Apr 4, 2026 | Verbitsky | 0–1 | Eilenberg | Round 1: Verbitsky, Jaroslaw - Eilenberg, Jonas | Four Knights Game: Scotch Variation, Schmid Defense | |
| Apr 4, 2026 | Eilenberg | 0–1 | Vavulin | Round 6: Eilenberg, Jonas - Vavulin, Maxim | Benoni Defense: Old Benoni | |
| Apr 4, 2026 | Hesse | 0–1 | Eilenberg | Round 5: Hesse, Henrik - Eilenberg, Jonas | English Opening: Drill Variation | |
| Apr 4, 2026 | Eilenberg | 1–0 | Florstedt | Round 4: Eilenberg, Jonas - Florstedt, Johannes | Grünfeld Defense: Exchange Variation | |
| Nov 23, 2025 | Eilenberg | 1–0 | Rebentisch | Round 9: Eilenberg, Jonas - Rebentisch, Tom | Italian Game: Giuoco Pianissimo, Normal | |
| Nov 23, 2025 | Ziegenfuss | 0–1 | Eilenberg | Round 8: Ziegenfuss, Antonia - Eilenberg, Jonas | Queen's Gambit Declined: Queen's Knight Variation | |
| Nov 23, 2025 | Eilenberg | 0–1 | Kracht | Round 7: Eilenberg, Jonas - Kracht, Raphael | Benko Gambit | |
| Nov 23, 2025 | Eilenberg | 1–0 | Wagner | Round 5: Eilenberg, Jonas - Wagner, Benjamin | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Nov 23, 2025 | Wu | 0–1 | Eilenberg | Round 4: Wu, Luka - Eilenberg, Jonas | Ruy Lopez: Closed | |
| Nov 23, 2025 | Eilenberg | 1–0 | Stoettner | Round 3: Eilenberg, Jonas - Stoettner, Lukas | Tarrasch Defense | |
| Nov 23, 2025 | Mazurtsova | 0–1 | Eilenberg | Round 2: Mazurtsova, Margarita - Eilenberg, Jonas | Tarrasch Defense: Symmetrical Variation | |
| Nov 23, 2025 | Eilenberg | 1–0 | Berghold | Round 1: Eilenberg, Jonas - Berghold, Lotta | English Defense | |
| Nov 22, 2025 | Butenandt | 0–1 | Eilenberg | Round 9: Butenandt, Svenja - Eilenberg, Jonas | Queen's Gambit Declined: Queen's Knight Variation | |
| Nov 22, 2025 | Eilenberg | ½–½ | Fromm | Round 8: Eilenberg, Jonas - Fromm, Marius | Nimzo-Indian Defense: St. Petersburg Variation | |
| Nov 22, 2025 | Garbuz | 0–1 | Eilenberg | Round 7: Garbuz, Vitaliy - Eilenberg, Jonas | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Nov 22, 2025 | Eilenberg | 1–0 | Fasshauer | Round 6: Eilenberg, Jonas - Fasshauer, Jacob | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Nov 22, 2025 | Eilenberg | 1–0 | Kracht | Round 4: Eilenberg, Jonas - Kracht, Raphael | Benko Gambit | |
| Nov 22, 2025 | Diesenhof | 0–1 | Eilenberg | Round 3: Diesenhof, Michael - Eilenberg, Jonas | Queen's Pawn Game: Krause Variation | |
| Nov 22, 2025 | Eilenberg | 1–0 | Sedlmayr | Round 2: Eilenberg, Jonas - Sedlmayr, David | Semi-Slav Defense: Marshall Gambit, Forgotten Variation | |
| Nov 22, 2025 | Hoke | 0–1 | Eilenberg | Round 1: Hoke, Adrian - Eilenberg, Jonas | Ruy Lopez: Closed, Pilnik Variation | |
| Nov 19, 2025 | Koelle | 1–0 | Eilenberg | Round 6: Koelle, Tobias - Eilenberg, Jonas | Slav Defense: Exchange Variation | |
| Nov 19, 2025 | Koelle | 1–0 | Eilenberg | Round 5: Koelle, Tobias - Eilenberg, Jonas | Slav Defense: Czech Variation, Wiesbaden Variation, Sharp Line | |
| Nov 16, 2025 | Eilenberg | 1–0 | Henning | Round 10: Eilenberg, Jonas - Henning, Marvin | Vulture Defense | |
| Nov 16, 2025 | Gungl | 1–0 | Eilenberg | Round 9: Gungl, Theo - Eilenberg, Jonas | Queen's Gambit Declined: Queen's Knight Variation | |
| Nov 15, 2025 | Petrov | 1–0 | Eilenberg | Round 7: Petrov, Martin - Eilenberg, Jonas | Italian Game: Giuoco Pianissimo, Normal | |
| Nov 15, 2025 | Eilenberg | 1–0 | Petersen | Round 6: Eilenberg, Jonas - Petersen, Marcel | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Nov 15, 2025 | Koellner | 1–0 | Eilenberg | Round 5: Koellner, Ruben Gideon - Eilenberg, Jonas | Queen's Pawn Game: Colle System, Anti-Colle | |
| Nov 15, 2025 | Eilenberg | ½–½ | Gholami Orimi | Round 4: Eilenberg, Jonas - Gholami Orimi, Mahdi | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Nov 15, 2025 | Pultinevicius | 0–1 | Eilenberg | 3. Berlin U25-Open Rapid | Queen's Gambit Declined: Queen's Knight Variation | |
| Nov 15, 2025 | Pultinevicius | 0–1 | Eilenberg | 3. Berlin U25-Open Rapid | Queen's Gambit Declined: Queen's Knight Variation | |
| Nov 14, 2025 | Moeller | 1–0 | Eilenberg | Round 10 & Quarterfinals: Moeller, Maurin - Eilenberg, Jonas | Four Knights Game: Scotch Variation, Schmid Defense | |
| Nov 14, 2025 | Eilenberg | 0–1 | Hulka | Round 9: Eilenberg, Jonas - Hulka, Valentyn | Queen's Gambit Declined: Janowski Variation | |
| Nov 14, 2025 | Woelk | ½–½ | Eilenberg | Round 8: Woelk, Tom-Frederic - Eilenberg, Jonas | Ruy Lopez: Closed, Keres Defense | |
| Nov 14, 2025 | Vogel | 1–0 | Eilenberg | Round 5: Vogel, Roven - Eilenberg, Jonas | Semi-Slav Defense: Accelerated Meran Variation | |
| Oct 5, 2025 | Sheng | 1–0 | Eilenberg | Deutsche Ländermeisterschaft 2025 | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Oct 4, 2025 | Eilenberg | ½–½ | Sydykov | Deutsche Ländermeisterschaft 2025 | French Defense: McCutcheon Variation, Lasker Variation | |
| Oct 3, 2025 | Eilenberg | 1–0 | Reyes Mantilla | Deutsche Ländermeisterschaft 2025 | Sicilian Defense: French Variation, Westerinen Attack | |
| Oct 1, 2025 | Nunez Gregoire | ½–½ | Eilenberg | Deutsche Ländermeisterschaft 2025 | Queen's Pawn Game: Colle System, Traditional Colle | |
| Oct 1, 2025 | Eilenberg | 1–0 | Van Arendonk | Deutsche Ländermeisterschaft 2025 | Italian Game: Giuoco Pianissimo | |
| Sep 29, 2025 | Vortmeier | 0–1 | Eilenberg | Deutsche Ländermeisterschaft 2025 | English Opening: Caro-Kann Defensive System | |
| Sep 29, 2025 | Eilenberg | ½–½ | Langer | Deutsche Ländermeisterschaft 2025 | Nimzo-Indian Defense: Normal Variation | |
| Jul 30, 2025 | Yatskar | 0–1 | Eilenberg | Round 5: Yatskar, Martin - Eilenberg, Jonas | Queen's Gambit Accepted: Central Variation, Alekhine System | |
| Jul 29, 2025 | Eilenberg | 1–0 | Schliebener | Round 4: Eilenberg, Jonas - Schliebener, Stephan | Dutch Defense | |
| Jul 27, 2025 | Eilenberg | 1–0 | Rose | Round 2: Eilenberg, Jonas - Rose, Daniel | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 26, 2025 | Thuemler | 0–1 | Eilenberg | Round 1: Thuemler, Floris - Eilenberg, Jonas | Sicilian Defense: Lasker-Pelikan Variation | |
| Jul 25, 2025 | Strache | 1–0 | Eilenberg | Round 6: Strache, Michael - Eilenberg, Jonas | English Opening: King's English Variation, Two Knights Variation, Smyslov System | |
| Jul 25, 2025 | Kozak | ½–½ | Eilenberg | Round 3: Kozak, Magdalena - Eilenberg, Jonas | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Jun 14, 2025 | Eilenberg | 1–0 | Eren | 2025 FIDE World Blitz Team Championship Pool A | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jun 14, 2025 | Khoury | 1–0 | Eilenberg | 2025 FIDE World Blitz Team Championship Pool A | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jun 14, 2025 | Eilenberg | 0–1 | Dudin | 2025 FIDE World Blitz Team Championship Pool A | Nimzo-Indian Defense: Classical Variation | |
| Jun 14, 2025 | Eilenberg | ½–½ | Sava | 2025 FIDE World Blitz Team Championship Pool A | English Defense | |
| Jun 14, 2025 | Chinguun | 0–1 | Eilenberg | 2025 FIDE World Blitz Team Championship Pool A | Scotch Game | |
| Jun 14, 2025 | Eilenberg | ½–½ | Oro | 2025 FIDE World Blitz Team Championship Pool A | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jun 14, 2025 | Moussard | 1–0 | Eilenberg | 2025 FIDE World Blitz Team Championship Pool A | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Jun 14, 2025 | Eilenberg | 0–1 | Hong | 2025 FIDE World Blitz Team Championship Pool A | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jun 14, 2025 | Nihal Sarin | 1–0 | Eilenberg | 2025 FIDE World Blitz Team Championship Pool A | Zukertort Opening | |
| Jun 14, 2025 | Eilenberg | 1–0 | Bjerre | 2025 FIDE World Blitz Team Championship Pool A | Nimzo-Indian Defense: Classical Variation, Berlin Variation | |
| Jun 14, 2025 | Hansen | 1–0 | Eilenberg | 2025 FIDE World Blitz Team Championship Pool A | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| Jun 13, 2025 | Eilenberg | ½–½ | Zakarian | Round 12: Eilenberg, Jonas - Zakarian, David | Mexican Defense | |
| Jun 13, 2025 | Nepomniachtchi | ½–½ | Eilenberg | 2025 FIDE World Blitz Team Championship Pool A | King's Gambit Accepted: Abbazia Defense | |
| Jun 13, 2025 | Eilenberg | 0–1 | Turner | Round 10: Eilenberg, Jonas - Turner, Matthew J | Slav Defense: Quiet Variation, Pin Defense | |
| Jun 13, 2025 | Rakotomaharo | 1–0 | Eilenberg | Round 9: Rakotomaharo, Fy Antenaina - Eilenberg, Jonas | Ruy Lopez: Closed, Pilnik Variation | |
| Jun 12, 2025 | Eilenberg | ½–½ | Amartuvshin | Round 8: Eilenberg, Jonas - Amartuvshin, Ganzorig | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Jun 12, 2025 | Sagalchik | 0–1 | Eilenberg | Round 7: Sagalchik, Gennadij - Eilenberg, Jonas | Richter-Veresov Attack | |
| Jun 12, 2025 | Eilenberg | 1–0 | Bryant | Round 6: Eilenberg, Jonas - Bryant, Harry | Sicilian Defense: Moscow Variation, Main Line | |
| Jun 12, 2025 | Eilenberg | 1–0 | Gallana | Round 5: Eilenberg, Jonas - Gallana, Marco | Sicilian Defense: Old Sicilian | |
| Jun 11, 2025 | Wu | ½–½ | Eilenberg | 2025 FIDE World Rapid Team Championschip matches 11-18 | Caro-Kann Defense: Panov Attack | |
| Jun 11, 2025 | Eilenberg | ½–½ | Sedykh | 2025 FIDE World Rapid Team Championship matches 19-26 | Queen's Gambit Declined: Charousek Variation | |
| Jun 11, 2025 | Gan-Erdene | 1–0 | Eilenberg | 2025 FIDE World Rapid Team Championschip matches 11-18 | Ruy Lopez: Closed, Martinez Variation | |
| Jun 11, 2025 | Shirov | 1–0 | Eilenberg | 2025 FIDE World Rapid Team Championschip matches 11-18 | Ruy Lopez: Closed, Martinez Variation | |
| Jun 10, 2025 | Kogan | 1–0 | Eilenberg | Round 11: Kogan, Arthur - Eilenberg, Jonas | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Oct 25, 2024 | Eilenberg | ½–½ | Byklum | 39th European Chess Club Cup | Indian Defense: Anti-Nimzo-Indian | |
| Oct 24, 2024 | Eilenberg | 1–0 | Corchon Granero | 39th European Chess Club Cup | Italian Game: Giuoco Pianissimo, Normal | |
| Oct 23, 2024 | Chukavin | 1–0 | Eilenberg | 39th European Chess Club Cup | Ruy Lopez: Closed, Delayed Exchange | |
| Oct 22, 2024 | Eilenberg | 1–0 | Pleasants | 39th European Chess Club Cup | Modern Defense: Standard Defense | |
| Oct 21, 2024 | Hjartarson | ½–½ | Eilenberg | 39th European Chess Club Cup | Slav Defense: Czech Variation, Bled Attack | |
| Oct 20, 2024 | Eilenberg | ½–½ | Finek | 39th European Chess Club Cup | Semi-Slav Defense: Quiet Variation | |
| Aug 31, 2024 | Ristic | ½–½ | Eilenberg | EYCC 2024 - O18 | English Opening: Caro-Kann Defensive System | |
| Aug 30, 2024 | Eilenberg | ½–½ | Bakija | EYCC 2024 - O18 | Italian Game: Giuoco Pianissimo, Normal | |
| Aug 29, 2024 | Hrbek | 1–0 | Eilenberg | EYCC 2024 - O18 | Queen's Pawn Game: London System | |
| Aug 28, 2024 | Eilenberg | 1–0 | Nastore | EYCC 2024 - O18 | Catalan Opening: Open Defense | |
| Aug 26, 2024 | Rozen | 1–0 | Eilenberg | EYCC 2024 - O18 | Slav Defense: Modern Line | |
| Aug 25, 2024 | Eilenberg | 1–0 | Dogias | EYCC 2024 - O18 | Semi-Slav Defense: Quiet Variation | |
| Aug 24, 2024 | Kovalskyi | 0–1 | Eilenberg | EYCC 2024 - O18 | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Aug 23, 2024 | Eilenberg | 0–1 | Macias Pino | EYCC 2024 - O18 | Benko Gambit Accepted: Modern Variation | |
| Aug 10, 2024 | Kulaots | 1–0 | Eilenberg | RTU Open - A | Ruy Lopez: Closed, Martinez Variation | |
| Aug 7, 2024 | Eilenberg | 0–1 | Ilamparthi A R | RTU Open - A | King's Indian Defense: Semi-Classical Variation | |
| Aug 7, 2024 | Nguyen | ½–½ | Eilenberg | RTU Open - A | Caro-Kann Defense: Panov Attack, Fianchetto Defense | |
| Aug 6, 2024 | Eilenberg | ½–½ | Trost | RTU Open - A | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Jun 26, 2024 | Eilenberg | 0–1 | Ohanyan | Round 6: Eilenberg, Jonas - Ohanyan, Emin | Queen's Gambit Declined: Barmen Variation | |
| Jun 25, 2024 | Sokolovsky | 1–0 | Eilenberg | Round 5: Sokolovsky, Yahli - Eilenberg, Jonas | French Defense: Advance Variation, Euwe Variation | |
| Jun 24, 2024 | Eilenberg | 1–0 | Gschiel | Round 4: Eilenberg, Jonas - Gschiel, Alexander | Catalan Opening: Closed | |
| Jun 22, 2024 | Klimkowski | 1–0 | Eilenberg | Round 2: Klimkowski, Jan - Eilenberg, Jonas | King's Knight Opening: Konstantinopolsky | |
| May 25, 2024 | Eilenberg | ½–½ | Bilovil | DEM U18 2024 | Nimzo-Indian Defense: Normal Variation | |
| May 24, 2024 | Eilenberg | 1–0 | Heinrich | DEM U18 2024 | Grünfeld Defense: Exchange Variation | |