| Jul 19, 2026 | Hirzel | 0–1 | Gautschi | Round 13: Hirzel, Robin - Gautschi, Rudolf | Modern Defense | |
| Jul 19, 2026 | Jaillet | ½–½ | Hirzel | Round 12: Jaillet, Leon - Hirzel, Robin | Sicilian Defense: Kan Variation, Knight Variation | |
| Jul 19, 2026 | Hirzel | 1–0 | Elhadj | Round 11: Hirzel, Robin - Elhadj, Jean-Michael | French Defense: Winawer Variation, Classical Variation | |
| Jul 19, 2026 | Pinelli | 1–0 | Hirzel | Round 10: Pinelli, Gian - Hirzel, Robin | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 19, 2026 | Muncan | 1–0 | Hirzel | Round 9: Muncan, Vasa - Hirzel, Robin | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Jul 19, 2026 | Hirzel | 0–1 | Fogo Esquivel | Round 8: Hirzel, Robin - Fogo Esquivel, Levi Kalani Alexander | Bishop's Opening: Vienna Hybrid, Hromádka Variation | |
| Jul 19, 2026 | Hirzel | 1–0 | Materia | Round 7: Hirzel, Robin - Materia, Matteo | Vienna Game: Vienna Gambit, Paulsen Attack | |
| Jul 19, 2026 | Zumbrunn | 0–1 | Hirzel | Round 6: Zumbrunn, Simon - Hirzel, Robin | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Jul 19, 2026 | Hirzel | 0–1 | Harish | Round 5: Hirzel, Robin - Harish, Neeraj | Vienna Game: Vienna Gambit, Paulsen Attack | |
| Jul 19, 2026 | Kamildjanov | 0–1 | Hirzel | Round 4: Kamildjanov, Saidbek - Hirzel, Robin | French Defense: Exchange Variation | |
| Jul 19, 2026 | Hirzel | ½–½ | Jelicic | Round 3: Hirzel, Robin - Jelicic, Hugo | Zukertort Opening | |
| Jul 19, 2026 | Krempke | 0–1 | Hirzel | Round 2: Krempke, Florian - Hirzel, Robin | Sicilian Defense: Wing Gambit Deferred | |
| Jul 19, 2026 | Hirzel | 0–1 | Gireada | Round 1: Hirzel, Robin - Gireada, Lucas | Sicilian Defense: Closed | |
| Jul 24, 2025 | Cloete | 0–1 | Hirzel | Biel Chess Festival 2025 | French Defense: Advance Variation, Milner-Barry Gambit, Hector Variation | |
| Jul 23, 2025 | Hirzel | 0–1 | Ye | Biel Chess Festival 2025 | Sicilian Defense: Closed | |
| Jul 22, 2025 | Ploder | ½–½ | Hirzel | Biel Chess Festival 2025 | French Defense: Advance Variation, Milner-Barry Gambit, Hector Variation | |
| Jul 21, 2025 | Hirzel | ½–½ | Kalbermatter | Biel Chess Festival 2025 | English Opening: King's English Variation, Two Knights Variation, Keres Variation | |
| Jul 19, 2025 | Chalmers | 0–1 | Hirzel | Biel Chess Festival 2025 | French Defense: Schlechter Variation | |
| Jul 18, 2025 | Hirzel | 1–0 | Luedi | Biel Chess Festival 2025 | French Defense: Alekhine-Chatard Attack, Maróczy Variation | |
| Jul 17, 2025 | Tereshchenko | 1–0 | Hirzel | Biel Chess Festival 2025 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 16, 2025 | Hirzel | 1–0 | Brand | Biel Chess Festival 2025 | Sicilian Defense: Closed | |
| Jul 15, 2025 | Brandes | ½–½ | Hirzel | Biel Chess Festival 2025 | London System | |
| Oct 12, 2024 | Schestak | 1–0 | Hirzel | Arco A | Queen's Pawn Game | |
| Oct 11, 2024 | Hirzel | ½–½ | Haase | 46th International Chess Open Citta di Arco - A | Queen's Indian Defense: Classical Variation, Traditional Variation | |
| Oct 10, 2024 | Schaefer | 1–0 | Hirzel | 46th International Chess Open Citta di Arco - A | Queen's Pawn Game: Colle System | |
| Oct 9, 2024 | Hirzel | ½–½ | Kasims | 46th International Chess Open Citta di Arco - A | Sicilian Defense: Grand Prix Attack | |
| Oct 8, 2024 | Wantoch von Rekowski | ½–½ | Hirzel | 46th International Chess Open Citta di Arco - A | Rapport-Jobava System | |
| Oct 7, 2024 | Hirzel | 1–0 | Circolari | Arco A | Sicilian Defense: Grand Prix Attack | |
| Oct 6, 2024 | Astengo | 1–0 | Hirzel | 46th International Chess Open Citta di Arco - A | French Defense: King's Indian Attack | |
| Oct 5, 2024 | Hirzel | ½–½ | Higatsberger | 46th International Chess Open Citta di Arco - A | Sicilian Defense: Closed | |
| — | Hirzel | ½–½ | Kelecevic | Seebach-Open 2025 | French Defense: Rubinstein Variation, Fort Knox Variation | |