| May 30, 2026 | Cao | 0–1 | Bashirova | DEM U12 2026 | Queen's Gambit Declined: Janowski Variation | |
| May 29, 2026 | Stahlberg | 1–0 | Cao | DEM U12 2026 | Queen's Gambit Declined | |
| May 28, 2026 | Cao | 0–1 | Boroshnev | DEM U12 2026 | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| May 27, 2026 | Schmidt | 1–0 | Cao | DEM U12 2026 | Caro-Kann Defense: Apocalypse Attack | |
| May 27, 2026 | Cao | 1–0 | Grimm | DEM U12 2026 | Queen's Pawn Game: Accelerated London System | |
| May 26, 2026 | Rose | 0–1 | Cao | DEM U12 2026 | Caro-Kann Defense: Tartakower Variation | |
| May 25, 2026 | Cao | 0–1 | Steinbrenner | DEM U12 2026 | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| May 24, 2026 | Cremann | 0–1 | Cao | DEM U12 2026 | English Opening: King's English Variation | |
| May 24, 2026 | Cao | ½–½ | Heilmann | DEM U12 2026 | Queen's Pawn Game: Accelerated London System | |
| Dec 30, 2025 | Rogner | ½–½ | Cao | DVM U12 2025 | Caro-Kann Defense: Panov Attack, Modern Defense | |
| Dec 29, 2025 | Cao | 1–0 | Grimm | DVM U12 2025 | Queen's Pawn Game: Accelerated London System | |
| Dec 29, 2025 | Balthasar | ½–½ | Cao | DVM U12 2025 | Caro-Kann Defense: Exchange Variation | |
| Dec 28, 2025 | Cao | 0–1 | Berger | DVM U12 2025 | Queen's Pawn Game: Accelerated London System | |
| Dec 28, 2025 | Kandora | 0–1 | Cao | DVM U12 2025 | English Opening: King's English Variation | |
| Dec 27, 2025 | Cao | ½–½ | Fattori Dittmar | DVM U12 2025 | Indian Defense | |
| Dec 27, 2025 | Kaykan | 0–1 | Cao | DVM U12 2025 | Caro-Kann Defense: Exchange Variation | |
| Jun 9, 2025 | Terhuven | 1–0 | Cao | Round 7: Terhuven, Patrick - Cao, Da | King's Indian Attack: Symmetrical Defense | |
| Jun 9, 2025 | Cao | * | Gebhardt | Round 6: Cao, Da - Gebhardt, Christine | Queen's Pawn Game: Accelerated London System | |
| Jun 8, 2025 | Hagenhoff | 0–1 | Cao | Round 5: Hagenhoff, Georg - Cao, Da | Sicilian Defense: Old Sicilian | |
| Jun 8, 2025 | Cao | 0–1 | Aslansofuoglu | Round 4: Cao, Da - Aslansofuoglu, Melihsah | Indian Defense | |
| Jun 7, 2025 | Diehl | 0–1 | Cao | Round 3: Diehl, Andreas - Cao, Da | English Opening: King's English Variation, Four Knights Variation | |
| Jun 7, 2025 | Cao | 0–1 | Kummerow | Round 2: Cao, Da - Kummerow, Heiko | Indian Defense | |
| Jun 6, 2025 | Wagner | 0–1 | Cao | Round 1: Wagner, Jovis - Cao, Da | English Opening: King's English Variation, Two Knights Variation | |
| Aug 3, 2024 | Ejsymont | 1–0 | Cao | Mistrzostwa Polski C10 Rapid | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Aug 2, 2024 | Cao | 1–0 | Rabiej | Mistrzostwa Polski C10 Rapid | Sicilian Defense: Smith-Morra Gambit Accepted | |
