| Oct 12, 2025 | Ratti | 0–1 | Steinschuld | Round 9: Ratti, Ermanno - Steinschuld, Jo | Queen's Gambit Declined: Three Knights Variation | |
| Oct 11, 2025 | Giovannini | 1–0 | Ratti | Round 8: Giovannini, Roberto - Ratti, Ermanno | Queen's Pawn Game: London System | |
| Oct 10, 2025 | Ratti | ½–½ | Haase | Round 7: Ratti, Ermanno - Haase, Georg | Scandinavian Defense: Modern Variation, Gipslis Variation | |
| Oct 9, 2025 | Palmarin | 0–1 | Ratti | Round 6: Palmarin, Corrado - Ratti, Ermanno | Sicilian Defense: Four Knights Variation | |
| Oct 9, 2025 | Ratti | 0–1 | Decker | Round 5: Ratti, Ermanno - Decker, Christian | Pirc Defense | |
| Oct 7, 2025 | Ratti | 1–0 | Zenini | Round 4: Ratti, Ermanno - Zenini, Simone | Pirc Defense: Classical Variation, Schlechter Variation | |
| Oct 6, 2025 | Crispino | ½–½ | Ratti | Round 3: Crispino, Anna - Ratti, Ermanno | Queen's Gambit Declined: Neo-Orthodox Variation, Main Line | |
| Oct 5, 2025 | Ratti | 0–1 | Bogoni Costa | Round 2: Ratti, Ermanno - Bogoni Costa, Vinicius | Ruy Lopez: Closed, Flohr System | |
| Oct 5, 2025 | Wirz | 1–0 | Ratti | Round 1: Wirz, Heinz - Ratti, Ermanno | Torre Attack: Classical Defense, Nimzowitsch Variation | |
| Oct 13, 2024 | Rempe | ½–½ | Ratti | Arco A | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Oct 12, 2024 | Ratti | 0–1 | Piacquadio | Arco A | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Oct 11, 2024 | Bruening | ½–½ | Ratti | Arco A | Semi-Slav Defense | |
| Oct 10, 2024 | Ratti | 0–1 | Steiger | 46th International Chess Open Citta di Arco - A | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Oct 9, 2024 | Trumpp | ½–½ | Ratti | 46th International Chess Open Citta di Arco - A | Nimzo-Larsen Attack | |
| Oct 8, 2024 | Ratti | ½–½ | Linnemann | 46th International Chess Open Citta di Arco - A | Sicilian Defense: Najdorf Variation | |
| Oct 7, 2024 | Ratti | ½–½ | Schindele | Arco A | Caro-Kann Defense: Classical Variation, Lobron System | |
| Oct 6, 2024 | Blasco | 0–1 | Ratti | 46th International Chess Open Citta di Arco - A | Yusupov-Rubinstein System | |
| Oct 5, 2024 | Behling | 1–0 | Ratti | 46th International Chess Open Citta di Arco - A | English Opening: Agincourt Defense | |
