| Mar 22, 2026 | Posaskov | ½–½ | Meskenas | Round 7: Posaskov, Nikita - Meskenas, Paulius | Grünfeld Defense: Exchange Variation | |
| Mar 21, 2026 | Posaskov | 0–1 | Viskelis | Round 6: Posaskov, Nikita - Viskelis, Darius | King's Indian Attack, with e6 | |
| Nov 23, 2025 | Grybkauskas | 0–1 | Posaskov | Round 7: Grybkauskas, Pijus - Posaskov, Nikita | Hungarian Opening: Symmetrical Variation | |
| Nov 22, 2025 | Jalanskij | ½–½ | Posaskov | Round 5: Jalanskij, Sergej - Posaskov, Nikita | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Nov 21, 2025 | Posaskov | 1–0 | Bingelis | Round 4: Posaskov, Nikita - Bingelis, Arturas | Slav Defense: Modern Line | |
| Nov 21, 2025 | Skalisius | 0–1 | Posaskov | Round 3: Skalisius, Rimvydas - Posaskov, Nikita | Nimzo-Larsen Attack: Indian Variation | |
| Nov 20, 2025 | Michailov | ½–½ | Posaskov | Round 2: Michailov, Andrej - Posaskov, Nikita | English Opening: Anglo-Indian Defense | |
| Nov 20, 2025 | Posaskov | 1–0 | Auskalnis | Round 8: Posaskov, Nikita - Auskalnis, Dovydas | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Nov 20, 2025 | Posaskov | 1–0 | Nainys | Round 6: Posaskov, Nikita - Nainys, Zanas | French Defense: Advance Variation, Lputian Variation | |
| Nov 20, 2025 | Posaskov | 1–0 | Drapas | Round 1: Posaskov, Nikita - Drapas, Vakaris | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jul 13, 2025 | Salna | 1–0 | Posaskov | Vilnius Open 2025 A | Queen's Gambit Declined: Ragozin Defense | |
| Jul 11, 2025 | Ser | 0–1 | Posaskov | Vilnius Open 2025 A | Indian Defense | |
| Jul 11, 2025 | Posaskov | 1–0 | Cibulskyte | Vilnius Open 2025 A | Catalan Opening: Open Defense, Classical Line | |
| Jul 10, 2025 | Posaskov | 1–0 | Zurba | Vilnius Open 2025 A | French Defense: Alekhine-Chatard Attack, Maróczy Variation | |
| Jul 10, 2025 | Grybkauskas | 1–0 | Posaskov | Vilnius Open 2025 A | Nimzo-Larsen Attack: Indian Variation | |
| Jul 9, 2025 | Mickevicius | 1–0 | Posaskov | Vilnius Open 2025 A | Queen's Gambit Declined: Modern Variation, Knight Defense | |
| Jul 8, 2025 | Posaskov | 0–1 | Grabinsky | Vilnius Open 2025 A | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jul 8, 2025 | Posaskov | 1–0 | Sukyte | Vilnius Open 2025 A | English Opening: King's English Variation, Two Knights Variation, Keres Variation | |
| Jul 7, 2025 | Pouliart | 0–1 | Posaskov | Vilnius Open 2025 A | Sicilian Defense: Scheveningen Variation, English Attack, with f3 | |
| Apr 20, 2024 | Tvarijonas | ½–½ | Posaskov | Round 6: Tvarijonas, Povilas - Posaskov, Nikita | Queen's Gambit Declined: Three Knights Variation | |
| Mar 23, 2024 | Posaskov | 0–1 | Vaznonis | Round 4: Posaskov, Nikita - Vaznonis, Vytautas | Slav Defense: Quiet Variation, Schallopp Defense | |
| Nov 15, 2023 | Posaskov | 0–1 | Talibov | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Open 18 | Semi-Slav Defense: Meran Variation, Wade Variation | |
| Nov 13, 2023 | Posaskov | 0–1 | Razafindratsima | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Open 18 | English Opening: Symmetrical Variation, Hedgehog Defense | |
