| Oct 5, 2025 | Martens | 1–0 | Hieke | Round 5: Martens, Nele - Hieke, Andrea | Vienna Game: Stanley Variation, Meitner-Mieses Gambit | |
| Oct 4, 2025 | Hieke | 1–0 | Krueger | Round 4: Hieke, Andrea - Krueger, Dietrich | Sicilian Defense: Nimzowitsch Variation, Closed Variation | |
| Oct 4, 2025 | Menke | 1–0 | Hieke | Round 3: Menke, Xaver Louis - Hieke, Andrea | Italian Game: Giuoco Pianissimo, Canal Variation | |
| Oct 3, 2025 | Hieke | 0–1 | Sengupta | Round 2: Hieke, Andrea - Sengupta, Aroop Ratan | Sicilian Defense: Closed | |
| Oct 3, 2025 | Hieke | 0–1 | Dintinger | Round 1: Hieke, Andrea - Dintinger, Ata Lucien | Italian Game: Classical Variation, Giuoco Pianissimo | |
| May 31, 2025 | Graefenstein | 1–0 | Hieke | Round 6: Graefenstein, Leonardo - Hieke, Andrea | ? | |
| May 31, 2025 | Hieke | 0–1 | Pitzschel | Round 5: Hieke, Andrea - Pitzschel, Joerg | Caro-Kann Defense: Exchange Variation | |
| May 30, 2025 | Gerdts | 1–0 | Hieke | Round 4: Gerdts, Martina - Hieke, Andrea | Queen's Gambit Declined: Barmen Variation | |
| May 30, 2025 | Hieke | 1–0 | Kastens | Round 3: Hieke, Andrea - Kastens, Uwe | Caro-Kann Defense: Exchange Variation | |
| May 29, 2025 | Osmers | 1–0 | Hieke | Round 2: Osmers, Julian - Hieke, Andrea | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| May 29, 2025 | Hieke | 0–1 | Heinrich | Round 1: Hieke, Andrea - Heinrich, Sebastian | Sicilian Defense | |
| May 12, 2024 | Hieke | 0–1 | Peters | 3. Itzehoer Schach Open (37-58) | French Defense: Exchange Variation | |
| May 11, 2024 | Greiner | 0–1 | Hieke | 3. Itzehoer Schach Open (37-58) | Center Game: Paulsen Attack Variation | |
| May 11, 2024 | Hieke | 0–1 | Schartl | 3. Itzehoer Schach Open (37-58) | Caro-Kann Defense: Exchange Variation | |
| May 10, 2024 | Gretzinger | 1–0 | Hieke | 3. Itzehoer Schach Open (37-58) | Four Knights Game: Italian Variation | |
| May 10, 2024 | Hieke | 0–1 | Morou | 3. Itzehoer Schach Open | French Defense: Exchange Variation | |
| May 9, 2024 | Zimbelmann | 0–1 | Hieke | 3. Itzehoer Schach Open (37-58) | King's Knight Opening: Normal Variation | |
| May 9, 2024 | Hieke | 0–1 | Christensen | 3. Itzehoer Schach Open | Sicilian Defense: Modern Variations | |
