| Jun 9, 2025 | Reimer | 0–1 | Connemann | Round 7: Reimer, Felix Ryu - Connemann, Mirko | Slav Defense: Modern Line | |
| Jun 9, 2025 | Connemann | ½–½ | Rousselet | Round 6: Connemann, Mirko - Rousselet, Bruno | Neo-Grünfeld Defense: Goglidze Attack | |
| Jun 8, 2025 | Weber | * | Connemann | Round 5: Weber, Hans-Joachim - Connemann, Mirko | ? | |
| Jun 8, 2025 | Connemann | 0–1 | Meckel | Round 4: Connemann, Mirko - Meckel, Helmut | Dutch Defense: Classical Variation | |
| Jun 7, 2025 | Menai | 1–0 | Connemann | Round 3: Menai, Nick - Connemann, Mirko | Caro-Kann Defense: Classical Variation, Spassky Variation | |
| Jun 7, 2025 | Connemann | ½–½ | Schocke | Round 2: Connemann, Mirko - Schocke, Mark | Nimzo-Indian Defense | |
| Jun 6, 2025 | Mueller | ½–½ | Connemann | Round 1: Mueller, Frank - Connemann, Mirko | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Aug 4, 2024 | Grigo | ½–½ | Connemann | Round 9: Grigo, Burkhard - Connemann, Mirko | Zukertort Opening | |
| Aug 4, 2024 | Connemann | 1–0 | Atar | Round 8: Connemann, Mirko - Atar, Semih Akif | Queen's Gambit Declined: Traditional Variation | |
| Aug 3, 2024 | Mueller | ½–½ | Connemann | Round 7: Mueller, Justus - Connemann, Mirko | Caro-Kann Defense: Exchange Variation | |
| Aug 3, 2024 | Connemann | ½–½ | Juntermanns | Round 6: Connemann, Mirko - Juntermanns, Peter | King's Indian Defense: Sämisch Variation, Closed Variation | |
| Aug 2, 2024 | Uhl | ½–½ | Connemann | Round 5: Uhl, Lars - Connemann, Mirko | Rapport-Jobava System | |
| Aug 2, 2024 | Connemann | 1–0 | Spielfrei | Round 4: Connemann, Mirko - Spielfrei | ? | |
| Aug 1, 2024 | Connemann | 0–1 | Stammen | Round 3: Connemann, Mirko - Stammen, York Magnus | Benoni Defense: King's Pawn Line | |
| Aug 1, 2024 | Hagenhoff | 1–0 | Connemann | Round 2: Hagenhoff, Georg - Connemann, Mirko | Polish Opening: Baltic Defense | |
| Jul 31, 2024 | Connemann | 0–1 | Lippitz | Round 1: Connemann, Mirko - Lippitz, Jaden | Queen's Gambit Accepted | |
