| 11 oct 2026 | Shirov, Alexei 2592 | 1-0 | Casalaspro, Mathias Andre 2380 | C50 Italian Game: Paris Defense | Manaus Chess Open 2026 | 3 · mesa 1 |
| 27 ago 2026 | Domene Mulyukov, Alexander 2399 | 1-0 | Casalaspro, Mathias Andre 2303 | A10 English Opening: Great Snake Variation | Maia Chess Open 2026 | Masters | 7 · mesa 6 |
| 26 ago 2026 | Casalaspro, Mathias Andre 2303 | ½-½ | Portela Peleteiro, Alberto 2363 | B45 Sicilian Defense: Four Knights Variation | Maia Chess Open 2026 | Masters | 6 · mesa 4 |
| 28 jul 2026 | Casalaspro, Mathias Andre 2340 | 0-1 | Ruck, Robert 2472 | B10 Caro-Kann Defense: Endgame Offer | XIV Torneo Internacional Cidade de Pontevedra Masters. | 7 · mesa 8 |
| 27 jul 2026 | Raja Rithvik R 2521 | 1-0 | Casalaspro, Mathias Andre 2340 | A15 English Opening: Anglo-Indian Defense | XIV Torneo Internacional Cidade de Pontevedra Masters. | 5 · mesa 3 |
| 26 jul 2026 | Casalaspro, Mathias Andre 2340 | ½-½ | Cacheiro Blanco, Diego 2422 | B10 Caro-Kann Defense: Two Knights Attack | XIV Torneo Internacional Cidade de Pontevedra Masters. | 4 · mesa 5 |
| 12 jul 2026 | Casalaspro, Mathias Andre 2340 | 0-1 | Martinez Duany, Lelys Stanley 2438 | B31 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | VII Open Internacional Valencia Cuna del Ajedrez - Grupo A | 9 · mesa 9 |
| 11 jul 2026 | Casalaspro, Mathias Andre 2340 | ½-½ | Larkin, Vladyslav 2506 | B40 Sicilian Defense: French Variation, Normal | VII Open Internacional Valencia Cuna del Ajedrez - Grupo A | 8 · mesa 9 |
| 10 jul 2026 | Stefansson, Hannes 2419 | ½-½ | Casalaspro, Mathias Andre 2340 | D31 Queen's Gambit Declined: Janowski Variation | VII Open Internacional Valencia Cuna del Ajedrez - Grupo A | 7 · mesa 11 |
| 7 jul 2026 | Casalaspro, Mathias Andre 2340 | ½-½ | Arizmendi Martinez, Julen Luis 2465 | B56 Sicilian Defense: Kupreichik Variation | VII Open Internacional Valencia Cuna del Ajedrez - Grupo A | 4 · mesa 8 |
| 5 jul 2026 | Casalaspro, Mathias Andre 2340 | 0-1 | Domingo Nunez, Ruben 2405 | B12 Caro-Kann Defense: Advance Variation | VII Open Internacional Valencia Cuna del Ajedrez - Grupo A | 2 · mesa 8 |