| 8 ago 2026 | Moreno Burillo, Marcos Antonio 2033 | Blazquez Sanz, Oscar 2125 | 1-0 | A46 Yusupov-Rubinstein System | Campeonato de España 2026 | Sub-18 | 32 | Ver |
| 7 ago 2026 | Blazquez Sanz, Oscar 2125 | Bercaru, Vlad Ionut 2058 | ½-½ | C41 Philidor Defense: Lion Variation | Campeonato de España 2026 | Sub-18 | 44 | Ver |
| 7 ago 2026 | Salord Guillen, Joan 2092 | Blazquez Sanz, Oscar 2125 | 1-0 | C02 French Defense: Advance Variation, Paulsen Attack | Campeonato de España 2026 | Sub-18 | 43 | Ver |
| 6 ago 2026 | Blazquez Sanz, Oscar 2125 | Kowalski Rubiales, Nicholas 2234 | ½-½ | B12 Caro-Kann Defense: Maróczy Variation | Campeonato de España 2026 | Sub-18 | 32 | Ver |
| 5 ago 2026 | Verkholantcev, Andrei 2266 | Blazquez Sanz, Oscar 2125 | ½-½ | C18 French Defense: Winawer Variation, Advance Variation, with h4 | Campeonato de España 2026 | Sub-18 | 40 | Ver |
| 5 ago 2026 | Blazquez Sanz, Oscar 2125 | Menendez Perez, Miguel 2012 | 1-0 | B35 Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | Campeonato de España 2026 | Sub-18 | 34 | Ver |
| 4 ago 2026 | Sanz Gorospe, Ibai 2317 | Blazquez Sanz, Oscar 2125 | 1-0 | C16 French Defense: Winawer Variation, Advance Variation | Campeonato de España 2026 | Sub-18 | 34 | Ver |
| 13 jul 2026 | Blazquez Sanz, Oscar 2155 | Vesga Izeta, Markel 2312 | 0-1 | B32 Sicilian Defense: Godiva Variation | XLV Open Villa de Benasque | 38 | Ver |
| 6 jul 2026 | Habans Aguerrea, Javier 2433 | Blazquez Sanz, Oscar 2155 | 1-0 | A40 English Defense | XLV Open Villa de Benasque | 40 | Ver |
| 1 abr 2026 | Blazquez Sanz, Oscar 2088 | Chen, Qi b 2484 | 0-1 | C72 Ruy Lopez: Morphy Defense, Modern Steinitz Defense | X Open Semana Santa 2026 - Grupo A | 34 | Ver |
| 4 ene 2026 | Rubio Mejia, Luis Ignacio 2301 | Blazquez Sanz, Oscar 2021 | 1-0 | D44 Semi-Slav Defense: Botvinnik Variation, Ekstrom Variation | IV Open Ajedrez de Navidad Rapidas Diagonal Alcorcon | 38 | Ver |
| 6 dic 2025 | Ortega Herrera, Paris Francisco 2087 | Blazquez Sanz, Oscar 2027 | ½-½ | D02 Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | Copa de España por Equipos S-16 | 38 | Ver |
| 20 sep 2025 | Gutierrez Garcia, Marcos 2007 2111 | Blazquez Sanz, Oscar 2000 | 1-0 | C15 French Defense: Winawer Variation, Alekhine Gambit, Kan Variation | EQUIPOS_RAPIDAS | 41 | Ver |
| 20 sep 2025 | Gomez Carreno, Martin 2091 | Blazquez Sanz, Oscar 2000 | 1-0 | C07 French Defense: Tarrasch Variation, Chistyakov Defense | EQUIPOS_RAPIDAS | 39 | Ver |
| 20 sep 2025 | Blazquez Sanz, Oscar 2000 | Moreno Tejera, Emilio 2334 | 0-1 | B32 Sicilian Defense: Godiva Variation | EQUIPOS_RAPIDAS | 37 | Ver |