| 24 jul 2026 | Pfatteicher, Lukas 2276 | Keyser, Robin 2181 | 1-0 | A58 Gambito Benko aceptado: Fully Accepted Variation | German Chess Championship 2026 | Candidates Men | 24 | Ver |
| 23 jul 2026 | Peglau, Paul David 2139 | Pfatteicher, Lukas 2276 | ½-½ | A05 Ataque Indio de Rey: Symmetrical Defense | German Chess Championship 2026 | Candidates Men | 31 | Ver |
| 22 jul 2026 | Pfatteicher, Lukas 2276 | Steger, Lukas Daniel 2196 | 0-1 | A57 Gambito Benko aceptado: Modern Variation | German Chess Championship 2026 | Candidates Men | 51 | Ver |
| 22 jul 2026 | Pfatteicher, Lukas 2276 | Heinke, Jasper 2064 | 1-0 | E44 Defensa Nimzoindia: St. Petersburg Variation, American Variation | German Chess Championship 2026 | Candidates Men | 57 | Ver |
| 21 jul 2026 | Khachatryan, Taron 2307 | Pfatteicher, Lukas 2276 | 1-0 | E60 Defensa India de Rey: Fianchetto Variation | German Chess Championship 2026 | Candidates Men | 31 | Ver |
| 20 jul 2026 | Herrmann, Jakob 2197 | Pfatteicher, Lukas 2276 | 0-1 | A49 Defensa India: Przepiorka Variation | German Chess Championship 2026 | Candidates Men | 37 | Ver |
| 20 jul 2026 | Pfatteicher, Lukas 2276 | Kardoeus, David 2162 | 0-1 | D31 Defensa Semieslava: Accelerated Move Order | German Chess Championship 2026 | Candidates Men | 46 | Ver |
| 19 jul 2026 | Besou, Hussain 2413 | Pfatteicher, Lukas 2276 | 1-0 | E94 Defensa India de Rey: Orthodox Variation | German Chess Championship 2026 | Candidates Men | 38 | Ver |
| 5 abr 2026 | Pfatteicher, Lukas 2276 | Haug, Havard 2422 | ½-½ | B94 Defensa Siciliana: Najdorf Variation | Grenke Chess Festival 2026 Open | 62 | Ver |
| 4 abr 2026 | Bournel, Antoine 2436 | Pfatteicher, Lukas 2276 | ½-½ | E97 Defensa India de Rey: Orthodox Variation, Bayonet Attack | Grenke Chess Festival 2026 Open | 88 | Ver |
| 4 abr 2026 | Pfatteicher, Lukas 2276 | Juhasz, Agoston 2427 | ½-½ | D35 Gambito de Dama rehusado: Exchange Variation, Positional Variation | Grenke Chess Festival 2026 Open | 20 | Ver |