| Jan 5, 2026 | Labitzki | ½–½ | Schmidt | Runde 7: Labitzki, Marek - Schmidt, Marieke | Scandinavian Defense: Marshall Variation | |
| Jan 4, 2026 | Haverlandt | ½–½ | Labitzki | Runde 6: Haverlandt, Jannes - Labitzki, Marek | Indian Defense: Accelerated London System | |
| Jan 4, 2026 | Labitzki | 1–0 | Kruppa | Runde 5: Labitzki, Marek - Kruppa, Nils | Owen Defense | |
| Jan 3, 2026 | Krneta | 1–0 | Labitzki | Runde 4: Krneta, Slavko - Labitzki, Marek | Sicilian Defense: Modern Variations | |
| Jan 3, 2026 | Labitzki | ½–½ | Kraeft | Runde 3: Labitzki, Marek - Kraeft, Tom | Caro-Kann Defense: Exchange Variation | |
| Jan 2, 2026 | Kluever | * | Labitzki | Runde 2: Kluever, Jan Frederik - Labitzki, Marek | ? | |
| Jan 2, 2026 | Labitzki | 1–0 | Musev | Runde 1: Labitzki, Marek - Musev, Sibin | Bishop's Opening: Berlin Defense | |
| May 25, 2025 | Dianov | 0–1 | Labitzki | Round 5: Dianov, Ilja - Labitzki, Marek | Sicilian Defense: Najdorf Variation | |
| May 25, 2025 | Labitzki | 0–1 | Schilling | Round 4: Labitzki, Marek - Schilling, Rumo | Caro-Kann Defense: Exchange Variation | |
| May 23, 2025 | Labitzki | 0–1 | Beckmann | Round 1: Labitzki, Marek - Beckmann, Jonathan | Sicilian Defense: Closed | |
| Dec 27, 2024 | von Estorff | 1–0 | Labitzki | Round 1: von Estorff, Jacob - Labitzki, Marek | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Nov 17, 2024 | Labitzki | 0–1 | Petersen | Round 4: Labitzki, Marek - Petersen, Malte | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Nov 17, 2024 | Mielke | ½–½ | Labitzki | Round 5: Mielke, Alexander - Labitzki, Marek | Sicilian Defense: Closed | |
| Nov 16, 2024 | Labitzki | 1–0 | Meitzner | Round 3: Labitzki, Marek - Meitzner, Johan Eduard | Sicilian Defense: Closed | |
| Nov 16, 2024 | Loeffelholz | 1–0 | Labitzki | Round 2: Loeffelholz, Christian - Labitzki, Marek | Zukertort Opening | |
| Nov 15, 2024 | Labitzki | 1–0 | Gaul | Round 1: Labitzki, Marek - Gaul, Karl-Heinz | French Defense: Winawer Variation, Advance Variation | |
