| Jun 30, 2026 | Kucharski | 0–1 | Grunas | XXII MFS PERŁA BAŁTYKU - GRUPA A 21-27 | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Jun 29, 2026 | Baczek | 1–0 | Grunas | XXII MFS PERŁA BAŁTYKU - GRUPA A 21-27 | French Defense: Two Knights Variation | |
| Jun 27, 2026 | Grunas | 0–1 | Aliaudzin | XXII Baltic Pearl Chess Festival 2026 - Group A 1-20 | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Mar 22, 2026 | Grunas | 1–0 | Kormanski | IV Dolnoslaska Liga Juniorow 2026 | Sicilian Defense: Moscow Variation, Main Line | |
| Mar 22, 2026 | Strojny | 1–0 | Grunas | IV Dolnoslaska Liga Juniorow 2026 | French Defense: Advance Variation, Milner-Barry Gambit | |
| Mar 22, 2026 | Matyka | 0–1 | Grunas | IV Dolnoslaska Liga Juniorow 2026 | French Defense: Advance Variation, Milner-Barry Gambit, Hector Variation | |
| Mar 21, 2026 | Grunas | 1–0 | Radojewski | IV Dolnoslaska Liga Juniorow 2026 | Caro-Kann Defense: Exchange Variation | |
| Mar 21, 2026 | Waligora | 0–1 | Grunas | IV Dolnoslaska Liga Juniorow 2026 | French Defense: Exchange Variation | |
| Mar 21, 2026 | Grunas | ½–½ | Do Trong | IV Dolnoslaska Liga Juniorow 2026 | Ruy Lopez: Berlin Defense, Anti-Berlin Variation | |
| Mar 21, 2026 | Michalski | 0–1 | Grunas | IV Dolnoslaska Liga Juniorow 2026 | French Defense: Advance Variation, Milner-Barry Gambit | |
| Feb 15, 2026 | Grunas | ½–½ | Gatner | puchar2026 | Ruy Lopez: Berlin Defense, Anti-Berlin Variation | |
| Feb 14, 2026 | Stankiewicz | 1–0 | Grunas | puchar2026 | King's Indian Attack: Yugoslav Variation | |
| Feb 14, 2026 | Grunas | 1–0 | Huchla | puchar2026 | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Feb 13, 2026 | Zienkiewicz | ½–½ | Grunas | puchar2026 | French Defense: Tarrasch Variation, Closed Variation | |
| Feb 8, 2026 | Grunas | 0–1 | Krawczyk | puchar2026 | Caro-Kann Defense: Exchange Variation | |
| Oct 4, 2025 | Grunas | 0–1 | Hury | MP-rapid25 | King's Indian Defense: Larsen Variation | |
| Jun 26, 2025 | Otoka | 0–1 | Grunas | II DMP Juniorow | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jun 25, 2025 | Grunas | 1–0 | Klepacz | II DMP Juniorow | Sicilian Defense: Moscow Variation | |
| Jun 24, 2025 | Kurczewski | 1–0 | Grunas | II DMP Juniorow | Sicilian Defense: Delayed Alapin Variation | |
| Jun 23, 2025 | Grunas | ½–½ | Kopia | II DMP Juniorow | Sicilian Defense: Godiva Variation | |
| Jun 22, 2025 | Nieroda | 0–1 | Grunas | II DMP Juniorow | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Jun 21, 2025 | Grunas | 0–1 | Schudy | II DMP Juniorow | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Jun 20, 2025 | Karas | 1–0 | Grunas | II DMP Juniorow | Queen's Gambit Declined | |
| Jun 19, 2025 | Grunas | 1–0 | Ladon | II DMP Juniorow | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Jun 18, 2025 | Minkiewicz | 0–1 | Grunas | II DMP Juniorow | Queen's Gambit Declined: Three Knights Variation | |
| — | Grunas | 0–1 | Pietrzak | Memorial Adolfa Anderssena 2025 | Sicilian Defense: O'Kelly Variation, Venice System | |
| — | Grunas | 0–1 | Baniak | Memorial Adolfa Anderssena 2025 | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| — | Grunas | 1–0 | Zieba | Memorial Adolfa Anderssena 2025 | Italian Game: Rosentreter Gambit | |
| — | Grunas | 0–1 | Hadrian | Memorial Adolfa Anderssena 2025 | Sicilian Defense: O'Kelly Variation, Venice System | |
| — | Grunas | ½–½ | Matylewska-Para | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN D | Four Knights Game: Gunsberg Variation | |
| — | Grunas | 1–0 | Zajac | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN D | Caro-Kann Defense: Exchange Variation | |
| — | Grunas | ½–½ | Dysko | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN D | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| — | Grunas | 1–0 | Kolak | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN D | Sicilian Defense: Dragon Variation | |
| — | Grunas | ½–½ | Cudyk | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN D | Caro-Kann Defense: Exchange Variation | |
| — | Zerebiec | 1–0 | Grunas | Memorial Adolfa Anderssena 2025 | French Defense: Steiner Variation | |
| — | Plichta | 0–1 | Grunas | Memorial Adolfa Anderssena 2025 | Sicilian Defense: Grand Prix Attack | |
| — | Olszewski | 1–0 | Grunas | Memorial Adolfa Anderssena 2025 | Sicilian Defense: Smith-Morra Gambit Accepted, Pin Defense | |
| — | Kaleta | 0–1 | Grunas | Memorial Adolfa Anderssena 2025 | Sicilian Defense: Four Knights Variation | |
| — | Reterski | ½–½ | Grunas | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN D | Sicilian Defense: Four Knights Variation | |
| — | Pancewicz | 1–0 | Grunas | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN D | Sicilian Defense: Four Knights Variation | |
| — | Boncela | ½–½ | Grunas | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN D | Sicilian Defense: Four Knights Variation | |
