| Jul 3, 2026 | Mardh | 1–0 | Siljedahl | Round 8: Mardh, William - Siljedahl, Jon | Sicilian Defense: Four Knights Variation | |
| Jul 2, 2026 | Siljedahl | ½–½ | Cornfors | Round 7: Siljedahl, Jon - Cornfors, Theodor | Vienna Game: Vienna Gambit, Paulsen Attack | |
| Jul 2, 2026 | Siljedahl | ½–½ | Lang Sohl | Round 6: Siljedahl, Jon - Lang Sohl, Benjamin | Italian Game: Giuoco Pianissimo, Normal | |
| Jul 1, 2026 | Bjarnegard | 0–1 | Siljedahl | Round 11: Bjarnegard, Henry - Siljedahl, Jon | Sicilian Defense: Four Knights Variation | |
| Jul 1, 2026 | Siljedahl | 0–1 | Wickstrom | Round 9: Siljedahl, Jon - Wickstrom, Carina | Scandinavian Defense: Modern Variation | |
| Jul 1, 2026 | Siljedahl | 0–1 | Flyckt | Round 5: Siljedahl, Jon - Flyckt, Jakob | Scandinavian Defense: Main Line | |
| Jul 1, 2026 | Siljedahl | 0–1 | Malmquist | Round 3: Siljedahl, Jon - Malmquist, Neo | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Advance Line | |
| Jul 1, 2026 | Nyander | 1–0 | Siljedahl | Round 1: Nyander, Joakim - Siljedahl, Jon | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Jul 1, 2026 | Ljungdahl | 0–1 | Siljedahl | Round 5: Ljungdahl, Axel - Siljedahl, Jon | Sicilian Defense: Old Sicilian | |
| Jun 30, 2026 | Siljedahl | 0–1 | Thamarai | Round 4: Siljedahl, Jon - Thamarai, Yohan | Caro-Kann Defense: Exchange Variation | |
| Jun 29, 2026 | Erasmie | 0–1 | Siljedahl | Round 3: Erasmie, Anton - Siljedahl, Jon | Sicilian Defense: Taimanov Variation | |
| Nov 23, 2025 | Siljedahl | 0–1 | Ek | The Juniorallsvenskan 2025, Division I | Sicilian Defense: Moscow Variation, Main Line | |
| Nov 23, 2025 | Karlsson | 1–0 | Siljedahl | The Juniorallsvenskan 2025, Division I | Nimzo-Larsen Attack: Classical Variation | |
| Nov 22, 2025 | Siljedahl | 0–1 | Malmquist | The Juniorallsvenskan 2025, Division I | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Nov 22, 2025 | Enholm | 1–0 | Siljedahl | The Juniorallsvenskan 2025, Division I | English Opening: Anglo-Indian Defense | |