| Apr 15, 2023 | Henri Lahdelma | ½–½ | Toivo Keinänen | Round 9: Henri Lahdelma - Toivo Keinänen | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 13, 2023 | Mikael Agopov | ½–½ | Henri Lahdelma | Round 8: Mikael Agopov - Henri Lahdelma | Ruy Lopez: Berlin Defense | |
| Apr 13, 2023 | Henri Lahdelma | 1–0 | Toni Pönniö | Round 7: Henri Lahdelma - Toni Pönniö | Queen's Pawn Game: Barry Attack | |
| Apr 12, 2023 | Timothy Binham | 0–1 | Henri Lahdelma | Round 6: Timothy Binham - Henri Lahdelma | French Defense: MacCutcheon Variation, Janowski Variation | |
| Apr 11, 2023 | Henri Lahdelma | ½–½ | Joose Norri | Round 5: Henri Lahdelma - Joose Norri | Benoni Defense: Fianchetto Variation | |
| Apr 10, 2023 | Jari Järvenpää | ½–½ | Henri Lahdelma | Round 4: Jari Järvenpää - Henri Lahdelma | English Opening | |
| Apr 9, 2023 | Henri Lahdelma | 0–1 | Pekka Köykkä | Round 3: Henri Lahdelma - Pekka Köykkä | Nimzo-Indian Defense: Classical Variation | |
| Apr 8, 2023 | Vesa-Pekka Heinola | 0–1 | Henri Lahdelma | Round 2: Vesa-Pekka Heinola - Henri Lahdelma | Queen's Gambit Declined: Semi-Slav, Abrahams Variation | |
| Apr 7, 2023 | Henri Lahdelma | 0–1 | Eero Valkama | Round 1: Henri Lahdelma - Eero Valkama | Nimzo-Indian Defense: Normal Variation, Classical Defense | |
| Aug 21, 2022 | Henri Lahdelma | ½–½ | Kim Roger Hansen Westrum | Round 9: Henri Lahdelma - Kim Roger Hansen Westrum | Nimzo-Indian Defense: St. Petersburg Variation, American Variation | |
| Aug 20, 2022 | Mikhail Sedykh | 0–1 | Henri Lahdelma | Round 8: Mikhail Sedykh - Henri Lahdelma | Semi-Slav Defense: Accelerated Move Order | |
| Aug 19, 2022 | Henri Lahdelma | 0–1 | Tomas Laurusas | Round 7: Henri Lahdelma - Tomas Laurusas | Slav Defense: Czech Variation, Krause Attack | |
| Aug 18, 2022 | Elham Abdrlauf | 1–0 | Henri Lahdelma | Round 6: Elham Abdrlauf - Henri Lahdelma | French Defense: Advance Variation, Paulsen Attack | |
| Aug 18, 2022 | Henri Lahdelma | 1–0 | Kaido Kulaots | Round 5: Henri Lahdelma - Kaido Kulaots | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Aug 17, 2022 | Henri Lahdelma | ½–½ | Titas Stremavicius | Round 4: Henri Lahdelma - Titas Stremavicius | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Aug 16, 2022 | Saad Abobaker Elmi | 0–1 | Henri Lahdelma | Round 3: Saad Abobaker Elmi - Henri Lahdelma | French Defense: Advance Variation, Milner-Barry Gambit, Main Line | |
| Aug 16, 2022 | Henri Lahdelma | ½–½ | Vaidotas Valantiejus | Round 2: Henri Lahdelma - Vaidotas Valantiejus | Queen's Gambit Declined: Janowski Variation | |
| Jul 24, 2022 | Hedinn Steingrimsson | 1–0 | Henri Lahdelma | Round 9: Hedinn Steingrimsson - Henri Lahdelma | King's Indian Defense: Fianchetto Variation, Classical Main Line | |
| Jul 23, 2022 | Henri Lahdelma | 1–0 | Mikko Tolonen | Round 8: Henri Lahdelma - Mikko Tolonen | English Opening: Symmetrical Variation, Anti-Benoni Variation | |
| Jul 22, 2022 | Tarvo Seeman | 1–0 | Henri Lahdelma | Round 7: Tarvo Seeman - Henri Lahdelma | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Jul 21, 2022 | Alexander Reprintsev | 0–1 | Henri Lahdelma | Round 6: Alexander Reprintsev - Henri Lahdelma | French Defense: Chigorin Variation | |
| Jul 21, 2022 | Henri Lahdelma | 0–1 | Gabor Nagy | Round 5: Henri Lahdelma - Gabor Nagy | Queen's Pawn Game: Modern Defense | |
| Jul 20, 2022 | Boris Chatalbashev | 0–1 | Henri Lahdelma | Round 4: Boris Chatalbashev - Henri Lahdelma | English Opening: Agincourt Defense | |
| Jul 19, 2022 | Henri Lahdelma | ½–½ | Jung Min Seo | Round 3: Henri Lahdelma - Jung Min Seo | Nimzo-Indian Defense: Normal Variation, Classical Defense | |
| Jul 25, 2021 | Sauli Tiitta | 1–0 | Henri Lahdelma | Round 9: Sauli Tiitta - Henri Lahdelma | French Defense: Winawer Variation, Delayed Exchange Variation | |
| Jul 24, 2021 | Henri Lahdelma | 1–0 | Tommi Luukkonen | Round 8: Henri Lahdelma - Tommi Luukkonen | Zukertort Opening: Pirc Invitation | |
| Jul 23, 2021 | Henri Pohjala | 1–0 | Henri Lahdelma | Round 7: Henri Pohjala - Henri Lahdelma | Queen's Pawn Game: Zukertort Variation | |
| Jul 22, 2021 | Henri Lahdelma | 0–1 | Mikael Agopov | Round 6: Henri Lahdelma - Mikael Agopov | Benoni Defense: Fianchetto Variation | |
| Jul 21, 2021 | Eero Valkama | ½–½ | Henri Lahdelma | Round 5: Eero Valkama - Henri Lahdelma | French Defense: Tarrasch Variation, Modern System | |
| Jul 20, 2021 | Henri Lahdelma | 0–1 | Taneli Lehtila | Round 4: Henri Lahdelma - Taneli Lehtila | Semi-Slav Defense: Meran Variation, Wade Variation | |
| Jul 19, 2021 | Jari Jarvenpaa | 0–1 | Henri Lahdelma | Round 3: Jari Jarvenpaa - Henri Lahdelma | Nimzo-Larsen Attack: Classical Variation | |
| Jul 18, 2021 | Henri Lahdelma | 1–0 | Elias Keso | Round 2: Henri Lahdelma - Elias Keso | Queen's Gambit Declined: Albin Countergambit, Normal Line | |
| Jul 18, 2021 | Henri Lahdelma | 0–1 | Toivo Keinanen | Round 1: Henri Lahdelma - Toivo Keinanen | English Defense | |