| 24 jul 2026 | Michalczak, Thomas 2227 | Khachatryan, Taron 2307 | 1-0 | B22 Defensa Siciliana: Alapin Variation, Smith-Morra Declined | German Chess Championship 2026 | Candidates Men | 85 | Ver |
| 23 jul 2026 | Malinowsky, Levi 2342 | Michalczak, Thomas 2227 | ½-½ | C83 Apertura Española (Ruy López): Open, Classical Defense, Main Line | German Chess Championship 2026 | Candidates Men | 41 | Ver |
| 22 jul 2026 | Michalczak, Thomas 2227 | Peglau, Paul David 2139 | 1-0 | C18 Defensa Francesa: Winawer Variation, Advance Variation | German Chess Championship 2026 | Candidates Men | 52 | Ver |
| 22 jul 2026 | Vyval, Volodymyr 2300 | Michalczak, Thomas 2227 | 1-0 | C26 Apertura de Alfil: Vienna Hybrid, Spielmann Attack | German Chess Championship 2026 | Candidates Men | 35 | Ver |
| 21 jul 2026 | Michalczak, Thomas 2227 | Kardoeus, David 2162 | 1-0 | C84 Apertura Española (Ruy López): Closed, Martinez Variation | German Chess Championship 2026 | Candidates Men | 40 | Ver |
| 20 jul 2026 | Lukas Schulz 2349 | Michalczak, Thomas 2227 | 0-1 | C37 Gambito de Rey aceptado: Quaade Gambit | German Chess Championship 2026 | Candidates Men | 36 | Ver |
| 20 jul 2026 | Moeller, Maurin 2301 | Michalczak, Thomas 2227 | 1-0 | C88 Apertura Española (Ruy López): Closed, Anti-Marshall | German Chess Championship 2026 | Candidates Men | 78 | Ver |
| 19 jul 2026 | Michalczak, Thomas 2227 | Ehmann, Thilo 2353 | 0-1 | B96 Defensa Siciliana: Najdorf Variation | German Chess Championship 2026 | Candidates Men | 48 | Ver |
| 16 may 2026 | Korchynskyi, Mykola 2433 | Michalczak, Thomas 2176 | 1-0 | D02 Apertura de Peón de Dama: London System | new tournament description | 24 | Ver |
| 9 may 2026 | Michalczak, Thomas 2176 | Hausrath, Daniel 2452 | ½-½ | D01 Rapport-Jobava System | new tournament description | 59 | Ver |
| 18 oct 2025 | Michalczak, Thomas 2249 | Wichtrup, Jan-Louis 2120 | 1-0 | B06 Defensa Moderna: Standard Defense | Runde 9: Michalczak, Thomas - Wichtrup, Jan-Louis | 54 | Ver |
| 17 oct 2025 | Bade, Deniz 2060 | Michalczak, Thomas 2249 | 0-1 | C89 Apertura Española (Ruy López): Marshall Attack, Modern Variation | Runde 8: Bade, Deniz - Michalczak, Thomas | 25 | Ver |
| 16 oct 2025 | Michalczak, Thomas 2249 | Riechenberg, Sebastian 2073 | ½-½ | B50 Defensa Siciliana | Runde 7: Michalczak, Thomas - Riechenberg, Sebastian | 37 | Ver |
| 14 oct 2025 | Michalczak, Thomas 2249 | Jansen, Dirk 2019 | 1-0 | D32 Defensa Tarrasch: Two Knights Variation | Runde 5: Michalczak, Thomas - Jansen, Dirk | 35 | Ver |
| 13 oct 2025 | Sunko, Sviatoslav 2071 | Michalczak, Thomas 2249 | ½-½ | A84 Defensa Holandesa: Rubinstein Variation | Runde 4: Sunko, Sviatoslav - Michalczak, Thomas | 32 | Ver |
| 12 oct 2025 | Michalczak, Thomas 2249 | Woestmann, Ulrich 2016 | 1-0 | B98 Defensa Siciliana: Najdorf Variation | Runde 3: Michalczak, Thomas - Woestmann, Ulrich | 27 | Ver |
| 12 oct 2025 | Georg, Felix 2029 | Michalczak, Thomas 2249 | ½-½ | D30 Gambito de Dama rehusado: Tarrasch Defense, Pseudo-Tarrasch | Runde 2: Georg, Felix - Michalczak, Thomas | 34 | Ver |
| 11 oct 2025 | Michalczak, Thomas 2249 | Merz, Martin 2021 | ½-½ | B22 Defensa Siciliana: Alapin Variation | Runde 1: Michalczak, Thomas - Merz, Martin | 81 | Ver |