| Jan 4, 2026 | Odner | 1–0 | Lappalainen | Round 7: Odner, Aarni - Lappalainen, Eemi | French Defense: Tarrasch Variation, Morozevich Variation | |
| Jan 4, 2026 | Sinitsyn | ½–½ | Odner | Round 6: Sinitsyn, Anton - Odner, Aarni | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Jan 4, 2026 | Odner | 1–0 | Polkki | Round 5: Odner, Aarni - Polkki, Eino | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Jan 3, 2026 | Sippola | 0–1 | Odner | Round 3: Sippola, Sara-Olivia - Odner, Aarni | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Jan 3, 2026 | Odner | ½–½ | Rintala | Round 2: Odner, Aarni - Rintala, Miliam | Sicilian Defense: Kan Variation, Modern Variation | |
| Jan 3, 2026 | Moisio | 1–0 | Odner | Round 1: Moisio, Miska - Odner, Aarni | Queen's Gambit Declined: Modern Variation | |
| Dec 14, 2025 | Kallunki | 0–1 | Odner | Round 4: Kallunki, Karoliina - Odner, Aarni | Sicilian Defense: Najdorf Variation | |
| Jul 20, 2025 | Odner | 0–1 | Aalto | Round 9: Odner, Aarni - Aalto, Patrik | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Jul 15, 2025 | Galperin | 1–0 | Odner | Round 4: Galperin, Platon - Odner, Aarni | King's Indian Defense: Makogonov Variation | |
| Jul 14, 2025 | Sipila | 1–0 | Odner | Round 2: Sipila, Vilka - Odner, Aarni | Sicilian Defense: Najdorf Variation, English Attack | |
| Jul 14, 2025 | Odner | * | Marten | Round 1: Odner, Aarni - Marten, Marwan | ? | |
| Jun 8, 2025 | Odner | 1–0 | Sell | Nuorten SM 2025, U18 | Ruy Lopez: Morphy Defense, Caro Variation | |
| Jun 7, 2025 | Lappalainen | ½–½ | Odner | Nuorten SM 2025, U18 | Sicilian Defense: Closed, Traditional | |
| Jun 6, 2025 | Hietanen | 0–1 | Odner | Nuorten SM 2025, U18 | Indian Defense | |
| Jun 6, 2025 | Odner | 1–0 | Moisio | Nuorten SM 2025, U18 | Ruy Lopez: Morphy Defense, Mackenzie Variation | |
| Jun 5, 2025 | Collander | 0–1 | Odner | Nuorten SM 2025, U18 | Sicilian Defense: Najdorf Variation | |
| Jun 5, 2025 | Odner | ½–½ | Collander | Nuorten SM 2025, U18 | Queen's Indian Defense: Classical Variation, Traditional Variation, Main Line | |
| May 7, 2025 | Odner | ½–½ | Hakkinen | Nuorten SM 2025, U18 | Caro-Kann Defense: Accelerated Panov Attack | |
| — | Odner | ½–½ | Apol | Nordic Youth Chess Championship | Queen's Gambit Declined: Cambridge Springs Defense, Capablanca Variation | |
| — | Odner | 1–0 | Thorisson | Nordic Youth Chess Championship | Grünfeld Defense: Exchange Variation | |
| — | Andries | 0–1 | Odner | Nordic Youth Chess Championship | Sicilian Defense: Najdorf Variation, Adams Attack | |
| — | Olsen | 0–1 | Odner | Nordic Youth Chess Championship | King's Indian Defense: Makogonov Variation | |
| — | Domalchuk-Jonasson | 1–0 | Odner | Nordic Youth Chess Championship | King's Indian Defense: Makogonov Variation | |
| — | Briem | 1–0 | Odner | Nordic Youth Chess Championship | King's Indian Defense: Exchange Variation | |
