| Petzold, Johannes Julius1986 | 0-1 | Sieber, Bert1996 | ch-GER Youth U18 2025 | 2025 |
| Schwarz, David2137 | 0-1 | Petzold, Johannes Julius1986 | ch-GER Youth U18 2025 | 2025 |
| Stuetzer, Kiran1869 | ½-½ | Petzold, Johannes Julius1986 | ch-GER Youth U18 2025 | 2025 |
| Petzold, Johannes Julius1986 | 0-1 | Rempe, Jonas2135 | ch-GER Youth U18 2025 | 2025 |
| Beyer, Lorenz2226 | 1-0 | Petzold, Johannes Julius1986 | ch-GER Youth U18 2025 | 2025 |
| Petzold, Johannes Julius1986 | 1-0 | Mueller, Maximilian2018 | ch-GER Youth U18 2025 | 2025 |
| Petzold, Johannes Julius1986 | 1-0 | Cilo, Selimhan2164 | ch-GER Youth U18 2025 | 2025 |
| Ensslinger, Colin2081 | 1-0 | Petzold, Johannes Julius1986 | ch-GER Youth U18 2025 | 2025 |
| Luebke, Florentin2180 | 1-0 | Petzold, Johannes Julius1986 | ch-GER Youth U18 2025 | 2025 |
| Patel, Keatan1985 | 0-1 | Petzold, Johannes Julius1889 | 12th ChessMates Int 2025 | 2025 |
| Petzold, Johannes Julius1889 | 0-1 | Rajandu, Aaron1869 | 12th ChessMates Int 2025 | 2025 |
| Wainwright, Charlie1783 | 0-1 | Petzold, Johannes Julius1889 | 12th ChessMates Int 2025 | 2025 |
| Petzold, Johannes Julius1889 | 0-1 | Lopes, Samuel2026 | 12th ChessMates Int 2025 | 2025 |
| Berezovsky, Fiorina1816 | 0-1 | Petzold, Johannes Julius1889 | 12th ChessMates Int 2025 | 2025 |