| Jul 12, 2026 | Heikaus | ½–½ | Schoetzig | Round 7: Heikaus, Frank - Schoetzig, Detlef | Queen's Pawn Game: Symmetrical Variation | |
| Jul 11, 2026 | Heikaus | ½–½ | Dannhauer | Round 6: Heikaus, Frank - Dannhauer, Frank | Queen's Pawn Game: Symmetrical Variation | |
| Jul 9, 2026 | Puschendorf | 0–1 | Heikaus | Round 4: Puschendorf, Steffen - Heikaus, Frank | Slav Defense: Breyer Variation | |
| Jul 8, 2026 | Heikaus | ½–½ | Oppitz | Round 3: Heikaus, Frank - Oppitz, Peter | Trompowsky Attack | |
| Jul 6, 2026 | Heikaus | 1–0 | Robertson | Round 1: Heikaus, Frank - Robertson, Roberto | London System | |
| Jul 4, 2026 | Kargoll | ½–½ | Heikaus | Round 5: Kargoll, Boris, Dr. - Heikaus, Frank | Queen's Pawn Game: Zukertort Variation | |
| Dec 30, 2024 | Heikaus | 0–1 | Beiden | Round 7: Heikaus, Frank - Beiden, Manuel | Benoni Defense: Old Benoni | |
| Dec 30, 2024 | Schocke | ½–½ | Heikaus | Round 6: Schocke, Mark - Heikaus, Frank | Indian Defense: Anti-Nimzo-Indian | |
| Dec 29, 2024 | Heikaus | ½–½ | Jamal Jameel | Round 5: Heikaus, Frank - Jamal Jameel, Mahmoon | London System | |
| Dec 29, 2024 | Winkel | 1–0 | Heikaus | Round 4: Winkel, Peter - Heikaus, Frank | Slav Defense: Quiet Variation, Pin Defense | |
| Dec 28, 2024 | Heikaus | ½–½ | Raasch | Round 3: Heikaus, Frank - Raasch, Joerg | Slav Defense: Exchange Variation | |
| Dec 28, 2024 | Heikaus | 1–0 | Ritzenhoff | Round 2: Heikaus, Frank - Ritzenhoff, Tomke | Queen's Pawn Game: London System | |
| Dec 27, 2024 | Osten | 0–1 | Heikaus | Round 1: Osten, Sonja - Heikaus, Frank | French Defense: Exchange Variation | |
| — | Heikaus | ½–½ | Schoknecht | Round 1: Heikaus, Frank - Schoknecht, Sabine | Queen's Pawn Game | |
| — | Heikaus | 1–0 | Hesse | Round 3: Heikaus, Frank - Hesse, Rutger | Queen's Pawn Game | |
| — | Heikaus | 0–1 | Boidman | Round 5: Heikaus, Frank - Boidman, Yuri | Indian Defense | |
| — | Heikaus | 0–1 | Krueger | Round 7: Heikaus, Frank - Krueger, Erich | Indian Defense | |
| — | Heikaus | 1–0 | Hiller | Round 9: Heikaus, Frank - Hiller, Joachim | Indian Defense | |
| — | Limbach | ½–½ | Heikaus | Round 2: Limbach, Torsten - Heikaus, Frank | English Opening: Agincourt Defense, Catalan Defense, Semi-Slav Defense | |
| — | Supplieth | 0–1 | Heikaus | Round 4: Supplieth, Peter - Heikaus, Frank | Caro-Kann Defense: Apocalypse Attack | |
| — | Brettschneider | ½–½ | Heikaus | Round 6: Brettschneider, Karl - Heikaus, Frank | English Opening: Great Snake Variation | |
| — | Roessler | ½–½ | Heikaus | Round 8: Roessler, Wolfgang - Heikaus, Frank | Caro-Kann Defense: Panov Attack | |