| Mar 8, 2026 | Sammalvuo | ½–½ | Sandberg | Rond 9: Sammalvuo, Tapani - Sandberg, Lucas | Queen's Pawn Game: Modern Defense | |
| Mar 5, 2026 | Sylvan | ½–½ | Sammalvuo | Rond 7: Sylvan, Jacob - Sammalvuo, Tapani | Petrov's Defense: Modern Attack, Center Variation | |
| Nov 30, 2025 | Sammalvuo | ½–½ | Falkevall | Rond 3: Sammalvuo, Tapani - Falkevall, Axel | Slav Defense: Exchange Variation | |
| Nov 28, 2025 | Sammalvuo | ½–½ | Lejlic | Rond 1: Sammalvuo, Tapani - Lejlic, Samir | King's Indian Defense: Orthodox Variation, Ukrainian Defense | |
| Oct 13, 2025 | O`Gorman | ½–½ | Sammalvuo | Round 8: O`Gorman, Alice - Sammalvuo, Tapani | Vienna Game: Mieses Variation | |
| Oct 10, 2025 | Stefansson | 1–0 | Sammalvuo | Round 6: Stefansson, Hannes - Sammalvuo, Tapani | Petrov's Defense: Millennium Attack | |
| Oct 8, 2025 | Sammalvuo | 1–0 | Poulsen | Round 4: Sammalvuo, Tapani - Poulsen, Martin | Dutch Defense: Classical Variation | |
| Oct 7, 2025 | Baenziger | ½–½ | Sammalvuo | Round 3: Baenziger, Fabian - Sammalvuo, Tapani | Queen's Gambit Declined: Semi-Tarrasch Defense | |
| Oct 6, 2025 | Sammalvuo | 0–1 | Sjugirov | Round 2: Sammalvuo, Tapani - Sjugirov, Sanan | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Oct 25, 2024 | Sammalvuo | 0–1 | Decrop | 39th European Chess Club Cup | Catalan Opening: Open Defense, Classical Line | |
| Oct 24, 2024 | Sammalvuo | ½–½ | Risting | 39th European Chess Club Cup | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Oct 23, 2024 | Llobell Cortell | ½–½ | Sammalvuo | 39th European Chess Club Cup | Petrov's Defense: Modern Attack, Center Variation | |
| Oct 22, 2024 | Fernandez | 0–1 | Sammalvuo | 39th European Chess Club Cup | Petrov's Defense: Kaufmann Attack | |
| Oct 21, 2024 | Sammalvuo | 1–0 | Petrovic | 39th European Chess Club Cup | Bogo-Indian Defense: Vitolins Variation | |
| Oct 20, 2024 | Maurizzi | 1–0 | Sammalvuo | Round 1: Maurizzi, Marc`Andria - Sammalvuo, Tapani | Four Knights Game: Spanish Variation, Janowski Variation | |
| Nov 20, 2023 | Beukema | 1–0 | Sammalvuo | European Team Championship | Queen's Gambit Declined: Harrwitz Attack | |
| Nov 18, 2023 | Poulsen | 1–0 | Sammalvuo | European Team Championship | Four Knights Game: Spanish Variation, Rubinstein Variation | |
| Nov 15, 2023 | Uruci | 1–0 | Sammalvuo | European Team Championship | Petrov's Defense: Karklins-Martinovsky Variation | |
| Nov 14, 2023 | Sammalvuo | ½–½ | Amar | European Team Championship | Queen's Gambit Declined: Cambridge Springs Defense | |
| Nov 11, 2023 | Kozak | 1–0 | Sammalvuo | European Team Championship | Queen's Gambit Declined: Charousek Variation | |
| Oct 2, 2023 | Sammalvuo | 0–1 | Yilmaz | European Chess Club Cup 2023 | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Mar 12, 2023 | Semcesen | ½–½ | Sammalvuo | Elitserien 2022/2023 | Queen's Gambit Declined: Charousek Variation | |
| Mar 11, 2023 | Johansson | 1–0 | Sammalvuo | Elitserien 2022/2023 | Queen's Gambit Declined: Harrwitz Attack | |
| Mar 10, 2023 | Sammalvuo | 1–0 | Gdanski | Elitserien 2022/2023 | Queen's Gambit Declined | |
| Sep 24, 2021 | Cumming | * | Sammalvuo | 36th European Club Cup | ? | |
| Sep 23, 2021 | Sammalvuo | * | Uruci | 36th European Club Cup | ? | |
| Sep 22, 2021 | Jepson | 0–1 | Sammalvuo | 36th European Club Cup | ? | |
| Sep 21, 2021 | Sammalvuo | * | Stefanovski | 36th European Club Cup | ? | |
| Sep 20, 2021 | Noe | * | Sammalvuo | 36th European Club Cup | ? | |
| Sep 19, 2021 | Sammalvuo | * | Elsness | 36th European Club Cup | ? | |
| Sep 18, 2021 | Korobov | 1–0 | Sammalvuo | 36th European Club Cup | Queen's Indian Defense: Petrosian Variation | |
