| Jan 5, 2026 | von Estorff | 0–1 | Riemay | Runde 7: von Estorff, Jacob - Riemay, David | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jan 4, 2026 | Bargsten | ½–½ | von Estorff | Runde 6: Bargsten, Justus - von Estorff, Jacob | Dutch Defense | |
| Jan 4, 2026 | von Estorff | 0–1 | von Mettenheim | Runde 5: von Estorff, Jacob - von Mettenheim, Johannes | Sicilian Defense: Dragon Variation, Classical Variation | |
| Jan 3, 2026 | Mueer | 0–1 | von Estorff | Runde 4: Mueer, Sebastian - von Estorff, Jacob | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jan 3, 2026 | Voege | 1–0 | von Estorff | Runde 3: Voege, Tobias - von Estorff, Jacob | Dutch Defense: Fianchetto Attack | |
| Jan 2, 2026 | von Estorff | ½–½ | Plischki | Runde 2: von Estorff, Jacob - Plischki, Sebastian | King's Indian Defense: Exchange Variation | |
| Jan 2, 2026 | von Estorff | 1–0 | Lau | Runde 1: von Estorff, Jacob - Lau, Theodor | English Opening: King's English Variation, Two Knights Variation, Reversed Dragon | |
| May 25, 2025 | von Estorff | ½–½ | Reimer | Round 5: von Estorff, Jacob - Reimer, Philip | Sicilian Defense: Old Sicilian | |
| May 25, 2025 | Stotyn | 0–1 | von Estorff | Round 4: Stotyn, Fabian - von Estorff, Jacob | Sicilian Defense: Boleslavsky Variation | |
| May 24, 2025 | von Estorff | 1–0 | van Son | Round 3: von Estorff, Jacob - van Son, Lutz | Owen Defense | |
| May 24, 2025 | Frank | 0–1 | von Estorff | Round 2: Frank, Christian - von Estorff, Jacob | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| May 23, 2025 | von Estorff | 1–0 | Ajak Mach Duany | Round 1: von Estorff, Jacob - Ajak Mach Duany | Caro-Kann Defense: Advance Variation, Van der Wiel Attack | |
| Dec 31, 2024 | von Estorff | ½–½ | Parvanyan | Round 9: von Estorff, Jacob - Parvanyan, Ashot | Four Knights Game: Italian Variation | |
| Dec 30, 2024 | Martin | 0–1 | von Estorff | Round 8: Martin, Dennis - von Estorff, Jacob | Grünfeld Defense: Exchange Variation, Nadanian Attack | |
| Dec 30, 2024 | von Estorff | 0–1 | Weigand | Round 7: von Estorff, Jacob - Weigand, Anton | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
| Dec 28, 2024 | Bargsten | 0–1 | von Estorff | Round 4: Bargsten, Justus - von Estorff, Jacob | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Dec 28, 2024 | von Estorff | ½–½ | Buecklers | Round 3: von Estorff, Jacob - Buecklers, Martin | Modern Defense | |
| Dec 27, 2024 | Bagrationi | ½–½ | von Estorff | Round 6: Bagrationi, Alexander - von Estorff, Jacob | Queen's Gambit Declined | |
| Jun 9, 2024 | von Estorff | 1–0 | zur Bruegge | Round 5: von Estorff, Jacob - zur Bruegge, Carsten | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Jun 9, 2024 | Kieselbach | 1–0 | von Estorff | Round 4: Kieselbach, Jannik - von Estorff, Jacob | Sicilian Defense: Alapin Variation | |
| Jun 8, 2024 | von Estorff | 1–0 | Hachtmann | Round 3: von Estorff, Jacob - Hachtmann, Christian | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Jun 8, 2024 | Jacobi | 0–1 | von Estorff | Round 2: Jacobi, Felix-Hagen - von Estorff, Jacob | Sicilian Defense: McDonnell Attack | |
| Jun 7, 2024 | von Estorff | 1–0 | Schulze | Round 1: von Estorff, Jacob - Schulze, Tim | French Defense: Chigorin Variation | |
| Dec 29, 2024 | von Estorff | ½–½ | Glek | Round 5: von Estorff, Jacob - Glek, Igor | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| Dec 27, 2024 | von Estorff | 1–0 | Labitzki | Round 1: von Estorff, Jacob - Labitzki, Marek | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Dec 27, 2024 | Harms | 0–1 | von Estorff | Round 2: Harms, Friedjof - von Estorff, Jacob | Sicilian Defense: Grand Prix Attack | |
| Jan 7, 2023 | von Estorff | 0–1 | Stelmaszyk | Lower Saxony Championship | Masters | Sicilian Defense: Four Knights Variation | |
| Jan 7, 2023 | Nuerenberg | 0–1 | von Estorff | Lower Saxony Championship | Masters | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| Jan 5, 2023 | Tarasenko | ½–½ | von Estorff | Lower Saxony Championship | Masters | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Jun 27, 2021 | von Estorff | 0–1 | Pralle | DVM U20 2020 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jun 26, 2021 | Kamp | 0–1 | von Estorff | DVM U20 2020 | Sicilian Defense: Smith-Morra Gambit Declined, Push Variation | |
| Jun 26, 2021 | Trifan | ½–½ | von Estorff | DVM U20 2020 | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation | |
| Jun 25, 2021 | von Estorff | ½–½ | Holinka | DVM U20 2021 | Modern Defense: Standard Line | |
| Jun 25, 2021 | von Estorff | 1–0 | Biermann | DVM U20 2021 | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Jun 24, 2021 | von Estorff | 1–0 | Waffenschmidt | DVM U20 2021 | Italian Game: Two Knights Defense, Polerio Defense, Yankovich Variation | |
| Jun 24, 2021 | Meiwes | 0–1 | von Estorff | DVM U20 2021 | Indian Defense | |