| Nov 22, 2025 | Pecka | 0–1 | Zadrapova | Polofinale MCR junioru 2025 | King's Indian Defense: Sämisch Variation, Double Fianchetto | |
| Nov 21, 2025 | Davidek | 1–0 | Pecka | Polofinale MCR junioru 2025 | Ruy Lopez: Classical Defense, Benelux Variation | |
| Nov 20, 2025 | Pecka | 1–0 | Bohatyrov | Polofinale MCR junioru 2025 | Indian Defense: Anti-Grünfeld, Basman-Williams Attack | |
| Nov 19, 2025 | Cech | 0–1 | Pecka | Polofinale MCR junioru 2025 | Catalan Opening | |
| Nov 18, 2025 | Rybackova | 1–0 | Pecka | Polofinale MCR junioru 2025 | Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid | |
| Nov 18, 2025 | Pecka | 1–0 | Belaska | Polofinale MCR junioru 2025 | Sicilian Defense: Modern Variations | |
| Nov 17, 2025 | Pecka | 1–0 | Hladky | Polofinale MCR junioru 2025 | Sicilian Defense: Moscow Variation, Main Line | |
| Nov 16, 2025 | Pecka | ½–½ | Siles | Polofinale MCR junioru 2025 | English Opening: Symmetrical Variation | |
| Nov 16, 2025 | Pusztai | 1–0 | Pecka | Polofinale MCR junioru 2025 | Ruy Lopez: Closed, Breyer Defense | |
| Jul 6, 2025 | Svadlenka | 1–0 | Pecka | Round 9: Svadlenka, Dominik - Pecka, Jan | Nimzo-Indian Defense: Classical Variation | |
| Jul 5, 2025 | Pecka | 1–0 | Bara | Round 8: Pecka, Jan - Bara, Jan | Grünfeld Defense: Exchange Variation | |
| Jul 4, 2025 | Horak | 1–0 | Pecka | Round 7: Horak, Martin - Pecka, Jan | Zukertort Opening | |
| Jul 3, 2025 | Pecka | 1–0 | Langmajer | Round 6: Pecka, Jan - Langmajer, Jan | Caro-Kann Defense: Two Knights Attack | |
| Jul 2, 2025 | Kroulik | 1–0 | Pecka | Round 5: Kroulik, Vaclav - Pecka, Jan | Scandinavian Defense: Mieses-Kotroc Variation | |
| Jul 1, 2025 | Pecka | 1–0 | Pycha | Round 4: Pecka, Jan - Pycha, Patrik | French Defense: Tarrasch Variation, Closed Variation | |
| Jun 29, 2025 | Pirklova | 1–0 | Pecka | Round 3: Pirklova, Hana - Pecka, Jan | Sicilian Defense: Keres Variation | |
| Jun 29, 2025 | Pecka | ½–½ | Andrle | Round 2: Pecka, Jan - Andrle, Filip | Nimzo-Larsen Attack: Modern Variation | |
| Jun 28, 2025 | Petrasek | 0–1 | Pecka | Round 1: Petrasek, Jiri - Pecka, Jan | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Aug 31, 2023 | Konvalinka | 0–1 | Pecka | POHÁR města Říčany 2023 | Catalan Opening | |
| Aug 30, 2023 | Pecka | ½–½ | Zemen | POHÁR města Říčany 2023 | King's Indian Defense: Sämisch Variation | |
| Aug 29, 2023 | Sedlak | ½–½ | Pecka | POHÁR města Říčany 2023 | English Opening: King's English Variation, Three Knights System | |
| Aug 28, 2023 | Pecka | 0–1 | Svadlenka | POHÁR města Říčany 2023 | Caro-Kann Defense: Exchange Variation | |
| Aug 26, 2023 | Lavrincik | ½–½ | Pecka | POHÁR města Říčany 2023 | English Opening | |
| Jul 16, 2023 | Pecka | 0–1 | Postl | Czech Open 2023 - E | King's Indian Defense: Sämisch Variation, Normal Defense | |
| Jul 15, 2023 | Pecka | ½–½ | Hlavina | Czech Open 2023 - E | French Defense: Schlechter Variation | |
