| May 30, 2026 | Petzold | 0–1 | Windmueller | DEM U18 2026 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| May 29, 2026 | Isbilir | 1–0 | Petzold | DEM U18 2026 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| May 28, 2026 | Petzold | ½–½ | Steger | DEM U18 2026 | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| May 27, 2026 | Haubold | ½–½ | Petzold | DEM U18 2026 | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk Variation | |
| May 27, 2026 | Geppert | 0–1 | Petzold | DEM U18 2026 | Sicilian Defense: Smith-Morra Gambit | |
| May 26, 2026 | Petzold | ½–½ | Deschler | DEM U18 2026 | Caro-Kann Defense: Maróczy Variation | |
| May 25, 2026 | Lutze | 1–0 | Petzold | DEM U18 2026 | English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | |
| May 24, 2026 | Petzold | ½–½ | Steigleder | DEM U18 2026 | Sicilian Defense: Chekhover Variation | |
| May 24, 2026 | Musiienko | 1–0 | Petzold | DEM U18 2026 | King's Indian Defense: Fianchetto Variation, Larsen Defense | |
| Feb 3, 2026 | Petzold | 1–0 | Lippert | Round 7: Petzold, Johannes Julius - Lippert, Daniel | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Feb 2, 2026 | Malek | 1–0 | Petzold | Round 6: Malek, Daniel - Petzold, Johannes Julius | King's Indian Defense: Orthodox Variation, Glek Defense | |
| Feb 2, 2026 | Dannhauer | 1–0 | Petzold | Round 5: Dannhauer, Frank - Petzold, Johannes Julius | Sicilian Defense: Lasker-Pelikan Variation | |
| Feb 1, 2026 | Petzold | 1–0 | Goergens | Round 4: Petzold, Johannes Julius - Goergens, Michael | Pirc Defense | |
| Jan 31, 2026 | Petzold | 1–0 | Haubold | Round 2: Petzold, Johannes Julius - Haubold, Sebastian | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jan 31, 2026 | Kuhlmann | 0–1 | Petzold | Round 1: Kuhlmann, Nils Magnus - Petzold, Johannes Julius | Sicilian Defense: Alapin Variation, Stoltz Attack | |
| Jan 25, 2026 | Spitzl | 1–0 | Petzold | Round 3: Spitzl, Vinzent - Petzold, Johannes Julius | Mieses Opening | |
| Dec 30, 2025 | Petzold | 0–1 | Kaplan | DVM U20 2025 | Sicilian Defense: Najdorf Variation | |
| Dec 29, 2025 | Petzold | 1–0 | Huo | DVM U20 2025 | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Dec 29, 2025 | von Beckh | 0–1 | Petzold | DVM U20 2025 | Sicilian Defense: Grand Prix Attack | |
| Dec 28, 2025 | Petzold | 0–1 | Spriestersbach | DVM U20 2025 | Caro-Kann Defense: Maróczy Variation | |
| Dec 28, 2025 | Farokhi | 1–0 | Petzold | DVM U20 2025 | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
| Dec 27, 2025 | Petzold | 0–1 | Gluma | DVM U20 2025 | Caro-Kann Defense: Gurgenidze System | |
| Dec 27, 2025 | Buehring | 0–1 | Petzold | DVM U20 2025 | Sicilian Defense: Alapin Variation, Stoltz Attack | |
| Jul 19, 2025 | Petzold | ½–½ | Hieke | Round 5: Petzold, Johannes Julius - Hieke, Jonas | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Jul 18, 2025 | Tariverdiyev | 1–0 | Petzold | Round 4: Tariverdiyev, Elman - Petzold, Johannes Julius | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Jul 18, 2025 | Petzold | 1–0 | Brau | Round 3: Petzold, Johannes Julius - Brau, Luca | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Jul 17, 2025 | Guenther | 0–1 | Petzold | Round 2: Guenther, Arthur - Petzold, Johannes Julius | Queen's Pawn Game: Barry Attack, Tarzan Attack | |
| Jul 17, 2025 | Petzold | 1–0 | Arne | Round 1: Petzold, Johannes Julius - Arne, Jonas | Sicilian Defense: O'Kelly Variation, Venice System | |
| Jun 14, 2025 | Petzold | 0–1 | Sieber | DEM U18 2025 | Sicilian Defense: Kan Variation, Wing Attack | |
| Jun 13, 2025 | Schwarz | 0–1 | Petzold | DEM U18 2025 | Indian Defense: Anti-Grünfeld, Basman-Williams Attack | |
| Jun 12, 2025 | Stuetzer | ½–½ | Petzold | DEM U18 2025 | King's Indian Defense: Averbakh Variation, Geller Defense | |
| Jun 11, 2025 | Petzold | 0–1 | Rempe | DEM U18 2025 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jun 11, 2025 | Beyer | 1–0 | Petzold | DEM U18 2025 | Sicilian Defense: Old Sicilian | |
| Jun 10, 2025 | Petzold | 1–0 | Mueller | DEM U18 2025 | Caro-Kann Defense: Maróczy Variation | |
| Jun 9, 2025 | Petzold | 1–0 | Cilo | DEM U18 2025 | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Jun 8, 2025 | Ensslinger | 1–0 | Petzold | DEM U18 2025 | Sicilian Defense: Closed, Traditional | |
| Jun 8, 2025 | Luebke | 1–0 | Petzold | DEM U18 2025 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Mar 23, 2025 | Patel | 0–1 | Petzold | Round 5: Patel, Keatan - Petzold, Johannes Julius | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Mar 22, 2025 | Petzold | 0–1 | Rajandu | Round 4: Petzold, Johannes Julius - Rajandu, Aaron | Caro-Kann Defense: Tartakower Variation | |
| Mar 22, 2025 | Wainwright | 0–1 | Petzold | Round 3: Wainwright, Charlie - Petzold, Johannes Julius | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | |
| Mar 21, 2025 | Petzold | 0–1 | Lopes | Round 2: Petzold, Johannes Julius - Lopes, Samuel | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Mar 21, 2025 | Berezovsky | 0–1 | Petzold | Round 1: Berezovsky, Fiorina - Petzold, Johannes Julius | King's Indian Defense: Sämisch Variation, Bobotsov-Korchnoi-Petrosian Variation | |
| Feb 1, 2025 | Voigt | 0–1 | Petzold | Round 7: Voigt, Anastasia - Petzold, Johannes Julius | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Jan 31, 2025 | Heutling | 1–0 | Petzold | Round 5: Heutling, Elina - Petzold, Johannes Julius | Sicilian Defense: Lasker-Pelikan Variation | |
| Jan 30, 2025 | Petzold | ½–½ | Poetsch | Round 3: Petzold, Johannes Julius - Poetsch, Tomas | Italian Game: Classical Variation, Greco Gambit | |
| Jan 30, 2025 | Petzold | 1–0 | Shevchenko | Round 4: Petzold, Johannes Julius - Shevchenko, Igor | Caro-Kann Defense: Maróczy Variation, Maróczy Gambit | |
| Jan 29, 2025 | Groebel | 1–0 | Petzold | Round 1: Groebel, Aaron - Petzold, Johannes Julius | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Jan 29, 2025 | Noennig | ½–½ | Petzold | Round 2: Noennig, Jakob - Petzold, Johannes Julius | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk Variation | |
| Aug 3, 2024 | Petzold | 0–1 | Kettner-Nikolaus | Round 5: Petzold, Johannes Julius - Kettner-Nikolaus, Frank | French Defense: Tarrasch Variation, Closed Variation | |
| Aug 1, 2024 | Petzold | 0–1 | Derr | Round 1: Petzold, Johannes Julius - Derr, Oleg | Sicilian Defense: Four Knights Variation, Cobra Variation | |