| 20 jul 2026 | Rappazzo, Johannes 2268 | Kwiatkowski, Jakub 2107 | 1-0 | B90 Defensa Siciliana: Najdorf Variation, Adams Attack | 59th Biel International Chess Festival 2026 | Open | Masters (MTO) | 54 | Ver |
| 18 jul 2026 | Kwiatkowski, Jakub 2107 | Cervelli, Eduard 2197 | 0-1 | B51 Defensa Siciliana: Moscow Variation | 59th Biel International Chess Festival 2026 | Open | Masters (MTO) | 58 | Ver |
| 17 jul 2026 | Kukushkin, Ivan 2257 | Kwiatkowski, Jakub 2107 | 0-1 | A15 Apertura Inglesa: Anglo-Indian Defense, King's Knight Variation | 59th Biel International Chess Festival 2026 | Open | Masters (MTO) | 67 | Ver |
| 16 jul 2026 | Arsenie, Cristian Marc 2300 | Kwiatkowski, Jakub 2107 | ½-½ | B90 Defensa Siciliana: Najdorf Variation, English Attack | 59th Biel International Chess Festival 2026 | Open | Masters (MTO) | 36 | Ver |
| 15 jul 2026 | Kwiatkowski, Jakub 2107 | Ashwath Kaushik 2278 | ½-½ | C02 Defensa Francesa: Advance Variation, Euwe Variation | 59th Biel International Chess Festival 2026 | Open | Masters (MTO) | 81 | Ver |
| 2 jul 2026 | Ganguly, Surya Shekhar 2578 | Kwiatkowski, Jakub 2107 | 1-0 | D32 Defensa Tarrasch: Symmetrical Variation | 59th Biel International Chess Festival 2026 | Open | Masters (MTO) | 29 | Ver |