| 25 oct 2025 | Polzin, Rainer 2393 | Meessen, Rudolf 2200 | 1-0 | C11 Defensa Francesa: Steinitz Variation, Boleslavsky Variation | European Chess Club Cup 2025 | Open Matches 1-16 | 51 | Ver |
| 24 oct 2025 | Polzin, Rainer 2393 | Bronstein, Or 2460 | 0-1 | B23 Defensa Siciliana: Closed | European Chess Club Cup 2025 | Open Matches 1-16 | 51 | Ver |
| 23 oct 2025 | Frendzas, Panayotis 2179 | Polzin, Rainer 2393 | 0-1 | B15 Defensa Caro-Kann: Tartakower Variation | European Chess Club Cup 2025 | Open Matches 1-16 | 29 | Ver |
| 22 oct 2025 | Eberle, Triona 2008 | Polzin, Rainer 2393 | ½-½ | B13 Defensa Caro-Kann: Exchange Variation, Rubinstein Variation | European Chess Club Cup 2025 | Open Matches 1-16 | 76 | Ver |
| 21 oct 2025 | Polzin, Rainer 2393 | Ivic, Velimir 2628 | ½-½ | B23 Defensa Siciliana: Closed, Traditional | European Chess Club Cup 2025 | Open Matches 1-16 | 35 | Ver |
| 20 oct 2025 | Polzin, Rainer 2393 | Pirklova, Hana 2076 | 1-0 | C86 Apertura Española (Ruy López): Closed, Worrall Attack, Castling Line | European Chess Club Cup 2025 | Open Matches 1-16 | 47 | Ver |
| 19 oct 2025 | Fejzullahu, Afrim 2207 | Polzin, Rainer 2393 | 0-1 | C02 Defensa Francesa: Advance Variation, Euwe Variation | European Chess Club Cup 2025 | Open Matches 1-16 | 27 | Ver |