| Jun 30, 2026 | Cehola | 0–1 | Karlsson | Round 4: Cehola, Mikael - Karlsson, Patrik | Rapport-Jobava System | |
| Jun 29, 2026 | Karlsson | * | Blomstrand | Round 3: Karlsson, Patrik - Blomstrand, Roger | Philidor Defense: Lion Variation | |
| Jun 28, 2026 | Winfridsson | 1–0 | Karlsson | Round 2: Winfridsson, Hakan - Karlsson, Patrik | Sicilian Defense: Closed | |
| Jun 27, 2026 | Karlsson | ½–½ | Granath | Round 1: Karlsson, Patrik - Granath, Jonas | Zukertort Opening | |
| Nov 1, 2025 | Karlsson | ½–½ | Milligan | Round 11: Karlsson, Patrik - Milligan, Helen | Scotch Game: Scotch Gambit, Advance Variation | |
| Oct 31, 2025 | Piovar | ½–½ | Karlsson | Round 10: Piovar, Jaroslav - Karlsson, Patrik | Bogo-Indian Defense: Wade-Smyslov Variation | |
| Oct 30, 2025 | Karlsson | ½–½ | Akerlund | Round 9: Karlsson, Patrik - Akerlund, Fredrik | French Defense: Advance Variation, Milner-Barry Gambit | |
| Oct 29, 2025 | Karlsson | 0–1 | De Maria | Round 8: Karlsson, Patrik - De Maria, Isaia | Sicilian Defense: Closed, Traditional | |
| Oct 28, 2025 | Stranz | 1–0 | Karlsson | Round 7: Stranz, Richard - Karlsson, Patrik | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Oct 26, 2025 | Karlsson | 1–0 | Mirza | Round 6: Karlsson, Patrik - Mirza, Gabriel | Pirc Defense | |
| Oct 25, 2025 | Coste | 1–0 | Karlsson | Round 5: Coste, Thierry - Karlsson, Patrik | Alekhine Defense: Exchange Variation | |
| Oct 24, 2025 | Karlsson | ½–½ | Isaev | Round 4: Karlsson, Patrik - Isaev, Yuriy V | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Oct 23, 2025 | Pomante | 0–1 | Karlsson | Round 3: Pomante, Sergio - Karlsson, Patrik | Sicilian Defense: O'Kelly Variation, Normal System | |
| Oct 22, 2025 | Karlsson | 0–1 | Dijkstra | Round 2: Karlsson, Patrik - Dijkstra, Matthijs | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Oct 21, 2025 | Kantorik | 1–0 | Karlsson | Round 1: Kantorik, Marian - Karlsson, Patrik | Nimzo-Indian Defense: Kmoch Variation | |
