| 24 jul 2026 | Ostlund, Joar 2390 | Ljungros, Lo 2138 | 0-1 | C10 Defensa Francesa: Rubinstein Variation, Maric Variation | Stockholm Summer Nights Open | 38 | Ver |
| 23 jul 2026 | Hillarp Persson, Tiger 2418 | Ostlund, Joar 2390 | ½-½ | A22 Apertura Inglesa: King's English Variation, Two Knights Variation | Stockholm Summer Nights Open | 74 | Ver |
| 22 jul 2026 | Ostlund, Joar 2390 | Lundin, Jan 2172 | 1-0 | B81 Defensa Siciliana: Scheveningen Variation, Keres Attack | Stockholm Summer Nights Open | 64 | Ver |
| 21 jul 2026 | Wernberg, Hugo 2296 | Ostlund, Joar 2390 | ½-½ | A07 King's Indian Attack, with e6 | Stockholm Summer Nights Open | 40 | Ver |
| 20 jul 2026 | Ostlund, Joar 2390 | Maki-Uuro, Miikka 2194 | ½-½ | B09 Defensa Pirc: Austrian Attack, Weiss Variation | Stockholm Summer Nights Open | 50 | Ver |
| 20 jul 2026 | Grahn, Vidar 2245 | Ostlund, Joar 2390 | ½-½ | E16 Defensa India de Dama: Capablanca Variation | Stockholm Summer Nights Open | 41 | Ver |
| 4 jul 2026 | Ostlund, Joar 2390 | Storme, Isak 2453 | 1-0 | C48 Apertura de los Cuatro Caballos: Spanish Variation, Classical Variation | Schack-SM 2026 | Sverigemästarklassen | 29 | Ver |
| 3 jul 2026 | Trost, Edvin 2460 | Ostlund, Joar 2390 | 0-1 | E05 Apertura Catalana: Open Defense, Classical Line | Schack-SM 2026 | Sverigemästarklassen | 66 | Ver |
| 2 jul 2026 | Ostlund, Joar 2390 | Lokander, Martin 2427 | 1-0 | C54 Apertura Italiana: Classical Variation, Giuoco Pianissimo | Schack-SM 2026 | Sverigemästarklassen | 34 | Ver |
| 1 jul 2026 | Pantzar, Milton 2444 | Ostlund, Joar 2390 | ½-½ | D38 Gambito de Dama rehusado: Ragozin Defense | Schack-SM 2026 | Sverigemästarklassen | 45 | Ver |
| 30 jun 2026 | Blomqvist, Erik 2487 | Ostlund, Joar 2390 | 1-0 | B90 Defensa Siciliana: Najdorf Variation, Adams Attack | Schack-SM 2026 | Sverigemästarklassen | 42 | Ver |
| 29 jun 2026 | Ostlund, Joar 2390 | Seo, Jung Min 2488 | ½-½ | B30 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack | Schack-SM 2026 | Sverigemästarklassen | 53 | Ver |
| 28 jun 2026 | Sorensen, Hampus 2460 | Ostlund, Joar 2390 | ½-½ | B50 Defensa Siciliana: Delayed Alapin Variation, with d6 | Schack-SM 2026 | Sverigemästarklassen | 98 | Ver |
| 30 may 2026 | Ostlund, Joar 2390 | Smith, Axel 2439 | ½-½ | C55 Apertura Italiana: Two Knights Defense, Modern Bishop's Opening | Schack-SM 2026 | Sverigemästarklassen | 47 | Ver |
| 13 may 2026 | Wernberg, Hugo 2296 | Ostlund, Joar 2390 | ½-½ | A00 Mieses Opening | Schack-SM 2026 | Sverigemästarklassen | 44 | Ver |
| 6 abr 2026 | Ostlund, Joar 2388 | Torngren, Gustav 2348 | 1-0 | B13 Defensa Caro-Kann: Exchange Variation | The Paskturneringen 2026 | 43 | Ver |
| 5 abr 2026 | Dingertz, Erik 2177 | Ostlund, Joar 2388 | 0-1 | E16 Defensa India de Dama: Capablanca Variation | The Paskturneringen 2026 | 57 | Ver |
| 5 abr 2026 | Ostlund, Joar 2388 | Sandberg, Lucas 2289 | 0-1 | B06 Defensa Moderna: Lizard Defense, Mittenberger Gambit | The Paskturneringen 2026 | 35 | Ver |
| 4 abr 2026 | Olsson, Linus 2202 | Ostlund, Joar 2388 | 0-1 | E16 Defensa India de Dama: Capablanca Variation | The Paskturneringen 2026 | 73 | Ver |
| 4 abr 2026 | Ostlund, Joar 2388 | Nygren, David 2057 | 1-0 | C18 Defensa Francesa: Winawer Variation, Advance Variation, with h4 | The Paskturneringen 2026 | 77 | Ver |