| Jul 24, 2026 | Zimmermann | 0–1 | Wartenberg | Round 3: Zimmermann, Felix - Wartenberg, Julian | Sicilian Defense: Closed | |
| Jul 23, 2026 | Wartenberg | 1–0 | Erl | Round 2: Wartenberg, Julian - Erl, Kiran | Sicilian Defense: Dragon Variation, Yugoslav Attack | |
| Jul 23, 2026 | Tollkuehn | 0–1 | Wartenberg | Round 1: Tollkuehn, Juergen - Wartenberg, Julian | Sicilian Defense: Taimanov Variation | |
| Jul 22, 2026 | Wartenberg | 0–1 | Breitenbach | Round 4: Wartenberg, Julian - Breitenbach, Alexander | Caro-Kann Defense: Classical Variation, Spassky Variation | |
| Nov 1, 2025 | Wartenberg | ½–½ | Goes | Runde 7: Wartenberg, Julian - Goes, Carsten | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Nov 1, 2025 | Wartenberg | 1–0 | Klages | Runde 6: Wartenberg, Julian - Klages, Jonas | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation | |
| Nov 1, 2025 | Prigandt | 0–1 | Wartenberg | Runde 5: Prigandt, Junis - Wartenberg, Julian | English Opening: King's English Variation | |
| Oct 31, 2025 | Wartenberg | 0–1 | Voigt | Runde 4: Wartenberg, Julian - Voigt, Dominik | Sicilian Defense: Classical Variation | |
| Oct 31, 2025 | Schaefer | 0–1 | Wartenberg | Runde 3: Schaefer, Immanuel - Wartenberg, Julian | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Oct 30, 2025 | Wartenberg | 1–0 | Pawlus | Runde 2: Wartenberg, Julian - Pawlus, Daniel | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Oct 30, 2025 | Meyer | 1–0 | Wartenberg | Runde 1: Meyer, Loenne - Wartenberg, Julian | Sicilian Defense: Pin Variation | |
| May 12, 2024 | Wartenberg | ½–½ | Marmuta | 3. Itzehoer Schach Open | Caro-Kann Defense: Tartakower Variation | |
| May 11, 2024 | Barlage | 1–0 | Wartenberg | 3. Itzehoer Schach Open | Indian Defense | |
| May 11, 2024 | Wartenberg | 0–1 | Peschke | 3. Itzehoer Schach Open | Pirc Defense | |
| May 10, 2024 | Wartenberg | 1–0 | Alvermann | 3. Itzehoer Schach Open | Sicilian Defense: Scheveningen Variation, Keres Attack | |
| May 10, 2024 | Skripalle | 0–1 | Wartenberg | 3. Itzehoer Schach Open (37-58) | Indian Defense: Anti-Nimzo-Indian | |
| May 9, 2024 | Wartenberg | 0–1 | Trapp | 3. Itzehoer Schach Open | Italian Game: Classical Variation, Greco Gambit, Anderssen Variation | |
| May 9, 2024 | Schartl | 0–1 | Wartenberg | 3. Itzehoer Schach Open (37-58) | Sicilian Defense: Alapin Variation | |