| May 30, 2026 | Mettenbrink | 0–1 | Wiebe | DEM U10 2026 | Caro-Kann Defense: Tartakower Variation | |
| May 29, 2026 | Malyi | ½–½ | Mettenbrink | DEM U10 2026 | Rapport-Jobava System | |
| May 28, 2026 | Mettenbrink | 0–1 | Jiang | DEM U10 2026 | King's Gambit Accepted: MacLeod Defense | |
| May 27, 2026 | Al Luwaisi | 0–1 | Mettenbrink | DEM U10 2026 | Caro-Kann Defense: Exchange Variation | |
| May 27, 2026 | Mettenbrink | 0–1 | Stanisic | DEM U10 2026 | Sicilian Defense: Hyperaccelerated Dragon | |
| May 26, 2026 | Mettenbrink | 1–0 | Arkhipov | DEM U10 2026 | Queen's Gambit Declined: Harrwitz Attack | |
| May 25, 2026 | Leppin | ½–½ | Mettenbrink | DEM U10 2026 | Queen's Pawn Game: Chigorin Variation | |
| May 24, 2026 | Mettenbrink | 0–1 | Schulze | DEM U10 2026 | Italian Game: Giuoco Pianissimo, Canal Variation | |
| May 24, 2026 | Patrakov | 0–1 | Mettenbrink | DEM U10 2026 | King's Indian Attack, with e6 | |
| Jan 5, 2026 | Mettenbrink | 1–0 | Kracke | Runde 7: Mettenbrink, Tammo - Kracke, Eric | Modern Defense | |
| Jan 4, 2026 | Schrieber | 1–0 | Mettenbrink | Runde 6: Schrieber, Julian - Mettenbrink, Tammo | Rapport-Jobava System | |
| Jan 4, 2026 | Mettenbrink | 1–0 | Wilmink | Runde 5: Mettenbrink, Tammo - Wilmink, Marion | Italian Game: Anti-Fried Liver Defense | |
| Jan 3, 2026 | Mettenbrink | 1–0 | Stulgies | Runde 4: Mettenbrink, Tammo - Stulgies, Noah | Sicilian Defense: Bowdler Attack | |
| Jan 3, 2026 | Yassa | 1–0 | Mettenbrink | Runde 3: Yassa, Daniel - Mettenbrink, Tammo | Scotch Game: Potter Variation | |
| Jan 2, 2026 | Mettenbrink | ½–½ | Lars Kowalczik | Runde 2: Mettenbrink, Tammo - Lars Kowalczik | Italian Game: Giuoco Pianissimo | |
| Jan 2, 2026 | Noah Etienne Hesterberg | 0–1 | Mettenbrink | Runde 1: Noah Etienne Hesterberg - Mettenbrink, Tammo | Queen's Pawn Game: Chigorin Variation | |
| Jun 14, 2025 | Mettenbrink | 0–1 | Vlad | DEM U10 2025 | Sicilian Defense: Bowdler Attack | |
| Jun 13, 2025 | Stojanoski | 1–0 | Mettenbrink | DEM U10 2025 | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Retreat Line | |
| Jun 12, 2025 | Mettenbrink | ½–½ | Durst | DEM U10 2025 | Italian Game: Evans Gambit, Anderssen Variation | |
| Jun 11, 2025 | Mitin | 1–0 | Mettenbrink | DEM U10 2025 | Slav Defense | |
| Jun 11, 2025 | Mettenbrink | 1–0 | von Flottwell | DEM U10 2025 | Italian Game: Giuoco Pianissimo, Canal Variation | |
| Jun 10, 2025 | Winkens | 0–1 | Mettenbrink | DEM U10 2025 | Caro-Kann Defense: Advance Variation | |
| Jun 9, 2025 | Mettenbrink | 0–1 | Sander | DEM U10 2025 | Italian Game: Scotch Gambit, Walbrodt-Baird Gambit | |
| Jun 8, 2025 | Chanishvili | 0–1 | Mettenbrink | DEM U10 2025 | Bishop's Opening: Vienna Hybrid, Spielmann Attack | |
| Jun 8, 2025 | Mettenbrink | ½–½ | von Gehlen | DEM U10 2025 | Caro-Kann Defense: Advance Variation, Short Variation | |
| Dec 29, 2024 | Kutschenreuter | 0–1 | Mettenbrink | DVM U10 2024 | Four Knights Game: Gunsberg Variation | |
| Dec 28, 2024 | Mettenbrink | ½–½ | Schacht | DVM U10 2024 | Scandinavian Defense: Modern Variation | |
| Dec 28, 2024 | Mettenbrink | 0–1 | Chen | DVM U10 2024 | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Dec 28, 2024 | Breaz | 0–1 | Mettenbrink | DVM U10 2024 | Italian Game: Classical Variation, Greco Gambit, Traditional Line | |
| Dec 27, 2024 | Mettenbrink | 0–1 | Nickel | DVM U10 2024 | Four Knights Game: Italian Variation | |
| Dec 27, 2024 | Mettenbrink | 0–1 | Wilting | DVM U10 2024 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Dec 27, 2024 | Shandi | 0–1 | Mettenbrink | DVM U10 2024 | Scotch Game: Lolli Variation | |