6 games · 2019–2026 · 1 classical · 5 online
Kosakowski 21 draws3 Lazavik
41.7% for Kosakowski
Openings between them
| B30 | Sicilian Defense: Old Sicilian | 1 | 0.0% |
| B96 | Sicilian Defense: Najdorf Variation | 1 | 100.0% |
| C91 | Ruy Lopez: Closed, Bogoljubow Variation | 1 | 100.0% |
| D03 | Queen's Pawn Game: Torre Attack | 1 | 0.0% |
| E10 | Indian Defense: Anti-Nimzo-Indian | 1 | 50.0% |
| E11 | Bogo-Indian Defense: Retreat Variation | 1 | 0.0% |
All games
| Kosakowski, Jakub2543 | 0-1 | Lazavik, Denis2621 | Titled Tue 7th Jul 2026 | 2026 |
| Kosakowski, Jakub2536 | 1-0 | Lazavik, Denis2605 | 1st 3-0 Thu 26th Feb 2026 | 2026 |
| Lazavik, Denis2605 | 1-0 | Kosakowski, Jakub2541 | Titled Tue 2nd Dec 2025 | 2025 |
| Lazavik, Denis2577 | ½-½ | Kosakowski, Jakub2522 | Titled Tue 15th Apr Late | 2025 |
| Lazavik, Denis2472 | 1-0 | Kosakowski, Jakub2442 | Titled Tue 8th Feb Early | 2022 |
| Kosakowski, Jakub2394 | 1-0 | Lazavik, Denis2339 | European Youth U18 Teams | 2019 |