| 23 ago 2026 | Kourousis, Epameinondas 2317 | Wartiovaara, Oliver 2288 | 1-0 | A14 Apertura Inglesa: Agincourt Defense, Neo-Catalan Declined | T1 International Rapid tournament | 59 | Ver |
| 23 ago 2026 | Wartiovaara, Oliver 2288 | Sivuk, Vitaly 2481 | 0-1 | A43 Defensa Benoni: Benoni-Indian Defense, Kingside Move Order | T1 International Rapid tournament | 53 | Ver |
| 23 ago 2026 | Shnurov, Daniil 2203 | Wartiovaara, Oliver 2288 | 0-1 | C55 Apertura Italiana: Two Knights Defense, Modern Bishop's Opening | T1 International Rapid tournament | 53 | Ver |
| 11 ago 2026 | Godena, Michele 2446 | Wartiovaara, Oliver 2288 | 1-0 | B22 Defensa Siciliana: Alapin Variation, Barmen Defense, Central Exchange | Spilimbergo Master 2026 | 23 | Ver |
| 10 ago 2026 | Wartiovaara, Oliver 2288 | Brodowski, Piotr 2462 | ½-½ | B30 Defensa Siciliana: Old Sicilian | Spilimbergo Master 2026 | 48 | Ver |
| 9 ago 2026 | Wartiovaara, Oliver 2288 | Bogdanov, Artyom 2450 | ½-½ | C67 Apertura Española (Ruy López): Berlin Defense, Rio Gambit Accepted | Spilimbergo Master 2026 | 47 | Ver |
| 24 jul 2026 | Wartiovaara, Oliver 2320 | Filgueiras, Nathan Felipe 2419 | 1-0 | B23 Defensa Siciliana: Closed, Traditional | 50è Open Internacional d'Escacs 'Vila de Sitges' | 37 | Ver |
| 21 jul 2026 | Wartiovaara, Oliver 2320 | Samuel Stephen Noble S 2011 | 0-1 | E92 Defensa India de Rey: Petrosian Variation, Stein Defense | XXVI Obert Internacional Sant Martí 2026 | 74 | Ver |
| 20 jul 2026 | Berdayes Ason, Dylan Isidro 2477 | Wartiovaara, Oliver 2320 | 1-0 | D35 Gambito de Dama rehusado: Exchange Variation, Carlsen Variation | XXVI Obert Internacional Sant Martí 2026 | 57 | Ver |
| 19 jul 2026 | Wartiovaara, Oliver 2320 | Chavez Suarez, Carlos Alberto 2325 | 1-0 | B00 Defensa Pirc | XXVI Obert Internacional Sant Martí 2026 | 38 | Ver |
| 18 jul 2026 | Amartya Saumitra Gupta 2217 | Wartiovaara, Oliver 2320 | 0-1 | B30 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack | XXVI Obert Internacional Sant Martí 2026 | 30 | Ver |
| 23 may 2026 | Shirov, Alexei 2597 | Wartiovaara, Oliver 2320 | 1-0 | C63 Apertura Española (Ruy López): Schliemann Defense | VII Coop Saaremaa Chess Festival Rapid | 36 | Ver |
| 6 abr 2026 | Wartiovaara, Oliver 2283 | Lahdelma, Henri 2319 | 0-1 | C49 Apertura de los Cuatro Caballos: Spanish Variation, Nimzowitsch Variation | Finnish Championship 2026 | Open | 66 | Ver |
| 2 abr 2026 | Koykka, Pekka 2325 | Wartiovaara, Oliver 2283 | ½-½ | C85 Apertura Española (Ruy López): Closed, Delayed Exchange | Finnish Championship 2026 | Open | 66 | Ver |
| 2 abr 2026 | Wartiovaara, Oliver 2283 | Ronka, Erik 2284 | 1-0 | A07 King's Indian Attack, with e6 | Finnish Championship 2026 | Open | 38 | Ver |
| 2 abr 2026 | Keinanen, Toivo 2493 | Wartiovaara, Oliver 2283 | ½-½ | D30 Gambito de Dama rehusado | Finnish Championship 2026 | Open | 47 | Ver |
| 2 abr 2026 | Wartiovaara, Oliver 2283 | Agopov, Mikael 2406 | 1-0 | B50 Defensa Siciliana: Modern Variations | Finnish Championship 2026 | Open | 36 | Ver |
| 2 abr 2026 | Aalto, Patrik 2310 | Wartiovaara, Oliver 2283 | 1-0 | A07 Ataque Indio de Rey: Keres Variation | Finnish Championship 2026 | Open | 61 | Ver |
| 2 abr 2026 | Maki-Uuro, Miikka 2205 | Wartiovaara, Oliver 2283 | 0-1 | D02 Apertura de Peón de Dama: Symmetrical Variation | Finnish Championship 2026 | Open | 47 | Ver |
| 2 abr 2026 | Wartiovaara, Oliver 2283 | Norri, Joose 2228 | 1-0 | A17 Apertura Inglesa: Anglo-Indian Defense, Queen's Indian Formation | Finnish Championship 2026 | Open | 33 | Ver |