| 30 ago 2026 | Carlstrom, Niklas 2073 | Nygren, Kim 2275 | ½-½ | B06 Defensa Moderna: Standard Defense | Lidköping Open 2026 | 59 | Ver |
| 30 ago 2026 | Miskulin, Dennis 2203 | Carlstrom, Niklas 2073 | ½-½ | C61 Apertura Española (Ruy López): Bird Variation | Lidköping Open 2026 | 27 | Ver |
| 4 jul 2026 | Carlstrom, Niklas 2112 | Sundin, Emanuel 2157 | 0-1 | B23 Defensa Siciliana: Closed, Traditional | Schack-SM 2026 | Mästarklassen | 20 | Ver |
| 3 jul 2026 | Cibo, Faris 2150 | Carlstrom, Niklas 2112 | 1-0 | E94 Defensa India de Rey: Orthodox Variation, Positional Defense | Schack-SM 2026 | Mästarklassen | 25 | Ver |
| 2 jul 2026 | Carlstrom, Niklas 2112 | Kallen, Jonas 2086 | 1-0 | C50 Apertura Italiana: Giuoco Pianissimo, Normal | Schack-SM 2026 | Mästarklassen | 39 | Ver |
| 2 jul 2026 | Ljung, Harald 2121 | Carlstrom, Niklas 2112 | ½-½ | A49 Defensa India: Przepiorka Variation | Schack-SM 2026 | Mästarklassen | 23 | Ver |
| 1 jul 2026 | Carlstrom, Niklas 2112 | Thyberg, Andre 2111 | ½-½ | C50 Apertura Italiana: Giuoco Pianissimo, Normal | Schack-SM 2026 | Mästarklassen | 50 | Ver |
| 30 jun 2026 | Mashhadi, Peyman 2180 | Carlstrom, Niklas 2112 | ½-½ | C77 Apertura Española (Ruy López): Morphy Defense, Anderssen Variation | Schack-SM 2026 | Mästarklassen | 48 | Ver |
| 29 jun 2026 | Carlstrom, Niklas 2112 | Ask, Josef 2024 | 1-0 | B00 Goldsmith Defense | Schack-SM 2026 | Mästarklassen | 45 | Ver |
| 28 jun 2026 | Malm, Simon 1995 2077 | Carlstrom, Niklas 2112 | 0-1 | E71 Defensa India de Rey: Karpov System | Schack-SM 2026 | Mästarklassen | 37 | Ver |
| 27 jun 2026 | Carlstrom, Niklas 2112 | Krantz, Christopher 2235 | 0-1 | C48 Apertura de los Cuatro Caballos: Spanish Variation, Classical Variation | Schack-SM 2026 | Mästarklassen | 29 | Ver |
| 3 abr 2026 | Seo, Jung Min 2486 | Carlstrom, Niklas 2073 | 1-0 | C55 Apertura Italiana: Two Knights Defense, Modern Bishop's Opening | The Paskturneringen 2026 | 32 | Ver |
| 28 dic 2025 | Berg, Emanuel 2495 | Carlstrom, Niklas 2069 | 1-0 | C60 Apertura Española (Ruy López): Cozio Defense | Open rapid/standard chess tournament 27-30 dec | 41 | Ver |
| 2 nov 2025 | Logdahl, Harald 2210 | Carlstrom, Niklas 2049 | 1-0 | C48 Apertura de los Cuatro Caballos: Spanish Variation | Stockholm Grand Prix 2025 | Stockholm Grand Prix 2025 | 56 | Ver |
| 1 nov 2025 | Mashhadi, Peyman 2175 | Carlstrom, Niklas 2049 | 1-0 | E67 Defensa India de Rey: Fianchetto Variation, Classical Fianchetto | Stockholm Grand Prix 2025 | Stockholm Grand Prix 2025 | 44 | Ver |
| 31 oct 2025 | Carlstrom, Niklas 2049 | Blomqvist, Erik 2478 | 0-1 | C02 Defensa Francesa: Advance Variation, Euwe Variation | Stockholm Grand Prix 2025 | Stockholm Grand Prix 2025 | 28 | Ver |
| 19 sep 2025 | Soderstrom, Adrian 2399 | Carlstrom, Niklas 2033 | 1-0 | E73 Defensa India de Rey: Semi-Averbakh System | Västerås Open | 54 | Ver |