| Jul 1, 2026 | Eklund | 1–0 | Rehnberg | Round 10: Eklund, Lars-Goran - Rehnberg, Karl-Oskar | King's Indian Defense: Orthodox Variation, Glek Defense | |
| Jul 1, 2026 | Rehnberg | * | Thern | Round 11: Rehnberg, Karl-Oskar - Thern, Alfred | ? | |
| Jul 1, 2026 | Rehnberg | 1–0 | Zheng | Round 9: Rehnberg, Karl-Oskar - Zheng, Chale | Vienna Game: Stanley Variation, Alekhine Variation | |
| Jul 1, 2026 | Muntean | 1–0 | Rehnberg | Round 7: Muntean, Victor - Rehnberg, Karl-Oskar | Sicilian Defense: Alapin Variation | |
| Jul 1, 2026 | Rehnberg | 1–0 | Strand | Round 6: Rehnberg, Karl-Oskar - Strand, Sixten | Nimzowitsch Defense: Scandinavian Variation, Advance Variation | |
| Jul 1, 2026 | Rehnberg | 1–0 | Ronneland | Round 5: Rehnberg, Karl-Oskar - Ronneland, Daniel | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Jul 1, 2026 | Rydstrom | 1–0 | Rehnberg | Round 4: Rydstrom, Tom - Rehnberg, Karl-Oskar | Modern Defense: Two Knights Variation | |
| Jul 1, 2026 | Nyander | 0–1 | Rehnberg | Round 3: Nyander, Joakim - Rehnberg, Karl-Oskar | Zukertort Opening: Kingside Fianchetto | |
| Jul 1, 2026 | Rehnberg | 1–0 | Nilsson Lundberg | Round 2: Rehnberg, Karl-Oskar - Nilsson Lundberg, Emma | Vienna Game: Vienna Gambit | |
| Jul 1, 2026 | Rajcevski | 0–1 | Rehnberg | Round 1: Rajcevski, Kristian - Rehnberg, Karl-Oskar | Sicilian Defense: French Variation | |
| Jul 1, 2026 | Nilsson | 1–0 | Rehnberg | Round 8: Nilsson, Patrik 1978 - Rehnberg, Karl-Oskar | Pirc Defense: Austrian Attack, Weiss Variation | |
| Nov 2, 2025 | Ostlund | 1–0 | Rehnberg | Round 8: Ostlund, Joar - Rehnberg, Karl-Oskar | King's Indian Defense: Makogonov Variation | |
| Oct 11, 2025 | Rehnberg | 0–1 | Wedenberg | Skol-SM 2025 Kalmar | Hungarian Opening: Indian Defense | |
| Oct 11, 2025 | Willstedt | 1–0 | Rehnberg | Skol-SM 2025 Kalmar | Queen's Pawn Game: Modern Defense | |
| Oct 11, 2025 | Johansson | ½–½ | Rehnberg | Skol-SM 2025 Kalmar | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Oct 10, 2025 | Rehnberg | 1–0 | Kleist | Skol-SM 2025 Kalmar | Hungarian Opening: Indian Defense | |
| — | Rehnberg | 1–0 | Marmol | Stockholm GP 2024 | French Defense: Horwitz Attack, Papa-Ticulat Gambit | |
| — | Rehnberg | ½–½ | Schmalholz | Stockholm GP 2024 | Caro-Kann Defense: Two Knights Attack, Mindeno Variation | |
| — | Rehnberg | 1–0 | Srinivasson | Round 2: Rehnberg, Karl-Oskar - Srinivasson, Ram | French Defense: Tarrasch Variation, Closed Variation | |
| — | Rehnberg | ½–½ | Strand | Round 5: Rehnberg, Karl-Oskar - Strand, Sixten | Ruy Lopez: Morphy Defense, Mackenzie Variation | |
| — | Holm | 1–0 | Rehnberg | Round 7: Holm, Kristian Stuvik - Rehnberg, Karl-Oskar | Modern Defense | |
| — | Leuba | 1–0 | Rehnberg | Round 1: Leuba, Jean-charles - Rehnberg, Karl-Oskar | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| — | Andersson | 0–1 | Rehnberg | Round 3: Andersson, Alexis - Rehnberg, Karl-Oskar | Four Knights Game: Halloween Gambit | |
| — | Sundell | 0–1 | Rehnberg | Round 4: Sundell, Hugo - Rehnberg, Karl-Oskar | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| — | Lokander | 1–0 | Rehnberg | Round 1: Lokander, Martin - Rehnberg, Karl-Oskar | Trompowsky Attack: Classical Defense, Big Center Variation | |
| — | Ral Lustig | 1–0 | Rehnberg | Round 6: Ral Lustig, Melvin - Rehnberg, Karl-Oskar | Zukertort Opening: Kingside Fianchetto | |