8 games · 2018–2025 · 2 classical · 3 online
Kozak 52 draws1 Postny
75.0% for Kozak
Openings between them
| A07 | King's Indian Attack | 3 | 83.3% |
| A30 | English Opening: Symmetrical Variation | 1 | 100.0% |
| C55 | Italian Game: Two Knights Defense | 1 | 50.0% |
| C98 | Ruy Lopez: Closed, Chigorin Defense | 1 | 100.0% |
| E17 | Queen's Indian Defense: Fianchetto Variation, Kramnik Variation | 1 | 100.0% |
| E32 | Nimzo-Indian Defense: Classical Variation | 1 | 0.0% |
All games
| Kozak, Adam2546 | ½-½ | Postny, E2546 | TCh-AUT 2025-26 | 2025 |
| Postny, E2549 | 0-1 | Kozak, Adam2571 | Titled Tue 20th Jun Early | 2023 |
| Kozak, Adam2552 | 1-0 | Postny, E2544 | Titled Tue 21st Mar Late | 2023 |
| Kozak, Adam2523 | 1-0 | Postny, E2611 | PRO League Group Stage | 2020 |
| Postny, E2605 | 0-1 | Kozak, Adam2525 | European Blitz 2019 | 2019 |
| Kozak, Adam2525 | ½-½ | Postny, E2605 | European Blitz 2019 | 2019 |
| Kozak, Adam2525 | 1-0 | Postny, E2605 | European Rapid 2019 | 2019 |
| Postny, E2576 | 1-0 | Kozak, Adam2450 | 13th Teplice Open 2018 | 2018 |