| Mar 8, 2026 | Tuomainen | ½–½ | Gajic | Rond 9: Tuomainen, Felix - Gajic, Mladen | Dutch Defense: Classical Variation | |
| Mar 6, 2026 | Lukez | 1–0 | Tuomainen | Rond 7: Lukez, Franko - Tuomainen, Felix | Zukertort Opening | |
| Jan 17, 2026 | Wulkan | ½–½ | Tuomainen | Rond 5: Wulkan, Martin - Tuomainen, Felix | Queen's Pawn Game | |
| Jan 16, 2026 | Tuomainen | 1–0 | Backman | Rond 4: Tuomainen, Felix - Backman, Andreas | Benoni Defense: Classical Variation | |
| Nov 30, 2025 | Stefan Schneider | ½–½ | Tuomainen | Rond 3: Stefan Schneider - Tuomainen, Felix | Modern Defense: Geller's System | |
| Nov 29, 2025 | Tuomainen | 0–1 | Ahlander | Rond 2: Tuomainen, Felix - Ahlander, Bjorn | Queen's Gambit Declined: Ragozin Defense | |
| Nov 28, 2025 | Tuomainen | ½–½ | Wernberg | Rond 1: Tuomainen, Felix - Wernberg, Hugo | French Defense: Tarrasch Variation, Modern System | |
| Mar 11, 2025 | Dingertz | 1–0 | Tuomainen | Rond 6: Dingertz, Filip - Tuomainen, Felix | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Mar 8, 2025 | Ljung | 1–0 | Tuomainen | The Elitserien 2024/25: round 7 - 9 | Slav Defense: Schlechter Variation | |
| Jan 28, 2025 | Helin | * | Tuomainen | Rond 2: Helin, Mikael - Tuomainen, Felix | Caro-Kann Defense: Maróczy Variation | |
| Jan 27, 2025 | Tuomainen | ½–½ | Borin | Rond 3: Tuomainen, Felix - Borin, Jesper | Catalan Opening: Open Defense, Classical Line | |
| Jan 21, 2025 | Tuomainen | 1–0 | Kasper Hornkvist | Rond 1: Tuomainen, Felix - Kasper Hornkvist | Slav Defense: Quiet Variation | |
| Oct 6, 2024 | Tuomainen | ½–½ | Smith | The Elitserien 2024/25: round 1 - 3 | Kangaroo Defense | |
| Oct 5, 2024 | Lindgren | 1–0 | Tuomainen | The Elitserien 2024/25: round 1 - 3 | Torre Attack: Fianchetto Defense | |
| Oct 4, 2024 | Tuomainen | ½–½ | Nygren | The Elitserien 2024/25: round 1 - 3 | Nimzo-Indian Defense: Sämisch Variation | |
| Jul 7, 2024 | Tuomainen | ½–½ | Ljung | Schack-SM 2024: Mastarklassen | Catalan Opening: Closed, Main Line | |
| Jul 6, 2024 | Muntean | 0–1 | Tuomainen | Schack-SM 2024: Mastarklassen | Caro-Kann Defense: Exchange Variation | |
| Jul 5, 2024 | Tuomainen | ½–½ | Mardell | Schack-SM 2024: Mastarklassen | Slav Defense: Czech Variation, Dutch Variation | |
| Jul 4, 2024 | Tuomainen | 1–0 | Seo | Schack-SM 2024: SM-blixten | Grünfeld Defense | |
| Jul 4, 2024 | Tuomainen | 1–0 | Johnson | Schack-SM 2024: SM-blixten | Nimzo-Indian Defense: Sämisch Variation | |
| Jul 4, 2024 | Tuomainen | ½–½ | Brodin | Schack-SM 2024: SM-blixten | Semi-Slav Defense | |
| Jul 4, 2024 | Tuomainen | 1–0 | Engstrom | Schack-SM 2024: SM-blixten | Queen's Gambit Declined: Three Knights Variation | |
| Jul 4, 2024 | Liden | ½–½ | Tuomainen | Schack-SM 2024: Mastarklassen | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jul 4, 2024 | Semcesen | 0–1 | Tuomainen | Schack-SM 2024: SM-blixten | Queen's Pawn Game: Torre Attack | |
| Jul 4, 2024 | Galperin | 1–0 | Tuomainen | Schack-SM 2024: SM-blixten | French Defense: King's Indian Attack | |
| Jul 4, 2024 | Soderstrom | 1–0 | Tuomainen | Schack-SM 2024: SM-blixten | Scandinavian Defense: Main Line | |
| Jul 4, 2024 | Hakanson | ½–½ | Tuomainen | Schack-SM 2024: SM-blixten | Zukertort Opening: Reversed Grünfeld | |
| Jul 3, 2024 | Tuomainen | 1–0 | Joensson | Schack-SM 2024: Mastarklassen | Queen's Gambit Declined: Anti-Tartakower Variation | |
| Jul 2, 2024 | Malm | 0–1 | Tuomainen | Schack-SM 2024: Mastarklassen | Nimzo-Indian Defense: Kmoch Variation | |
| Jul 1, 2024 | Tuomainen | 0–1 | Bjorkman | Schack-SM 2024: Mastarklassen | East Indian Defense | |
| Jun 30, 2024 | Neretljak | 0–1 | Tuomainen | Schack-SM 2024: Mastarklassen | Scandinavian Defense | |
| Jun 29, 2024 | Tuomainen | ½–½ | Mashhadi | Schack-SM 2024: Mastarklassen | Queen's Pawn Game: Modern Defense | |
| Mar 10, 2024 | Dragicevic | ½–½ | Tuomainen | The Elitserien 2023/2024: round 7 - 9 | Réti Opening: Reversed Blumenfeld Gambit | |
| Mar 8, 2024 | Tuomainen | 1–0 | Eriksson | The Elitserien 2023/2024: round 7 - 9 | Nimzo-Indian Defense: Sämisch Variation | |
| Mar 12, 2023 | Tuomainen | 0–1 | Smith | Elitserien 2022/2023 | Benko Gambit: Zaitsev System | |
| Mar 11, 2023 | Barkhagen | 1–0 | Tuomainen | Elitserien 2022/2023 | Benko Gambit Accepted: Fully Accepted Variation | |
| Mar 10, 2023 | Tuomainen | 1–0 | Rothman | Elitserien 2022/2023 | Slav Defense: Quiet Variation | |
| Dec 17, 2022 | Licznerski | 1–0 | Tuomainen | European Rapid Chess Championship 2022 | Scandinavian Defense: Main Line | |
| Dec 16, 2022 | Tuomainen | 1–0 | Langheinrich | Katowice | King's Indian Defense: Makogonov Variation | |
| Dec 16, 2022 | Tuomainen | 0–1 | Piesik | Katowice | Benoni Defense: Old Benoni | |
| Dec 16, 2022 | Tuomainen | 0–1 | Haydon | ebrcc2022 | Nimzo-Indian Defense: Sämisch Variation | |
| Dec 16, 2022 | Langheinrich | 1–0 | Tuomainen | Katowice | Scandinavian Defense: Main Line | |
| Dec 16, 2022 | Piesik | 1–0 | Tuomainen | Katowice | Zukertort Opening | |
| Dec 16, 2022 | Haydon | 1–0 | Tuomainen | ebrcc2022 | Zukertort Opening: Quiet System | |
| Oct 16, 2022 | Jaderberg | 0–1 | Tuomainen | Elitserien 2022/2023 | Sicilian Defense: Moscow Variation | |
| Oct 15, 2022 | Tuomainen | 1–0 | Ziegler | Elitserien 2022/2023 | Nimzo-Indian Defense: Sämisch Variation | |
| Oct 14, 2022 | Rothen | 0–1 | Tuomainen | Elitserien 2022/2023 | Indian Defense | |
| Oct 6, 2022 | Haag | ½–½ | Tuomainen | ECCC_22 | Benko Gambit Accepted: Fianchetto Variation | |
| Oct 4, 2022 | Tuomainen | 0–1 | Babazada | ECCC_22 | Dutch Defense: Queen's Knight Variation | |
| Jul 10, 2022 | Sjoberg | ½–½ | Tuomainen | Schack-SM 2022: Weekend II | Scandinavian Defense: Mieses-Kotroc Variation | |
| Jul 10, 2022 | Wallgren | 0–1 | Tuomainen | Schack-SM 2022: Weekend II | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Jul 9, 2022 | Tuomainen | 0–1 | Bensryd | Schack-SM 2022: Weekend II | Queen's Indian Defense: Classical Variation, Polugaevsky Gambit | |
| Jul 9, 2022 | Lindhagen | 0–1 | Tuomainen | Schack-SM 2022: Weekend II | Indian Defense: Budapest Defense, Alekhine Variation, Abonyi Variation | |
| Jul 8, 2022 | Tuomainen | 1–0 | Attefall | Schack-SM 2022: Weekend II | Slav Defense: Smyslov Variation | |