| 24 jul 2026 | Vykouk, Jan 2504 | Iwan, Patryk 2195 | 1-0 | B90 Defensa Siciliana: Najdorf Variation, English Attack | CzechOpen 2026_A | 40 | Ver |
| 23 jul 2026 | Vykouk, Jan 2426 | Prokofiev, Valentyn 2434 | 1-0 | B23 Defensa Siciliana: Grand Prix Attack | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | 29 | Ver |
| 23 jul 2026 | Pechac, Jergus 2563 | Vykouk, Jan 2426 | ½-½ | B22 Defensa Siciliana: Alapin Variation | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | 15 | Ver |
| 23 jul 2026 | Vykouk, Jan 2426 | Rasik, Vitezslav 2381 | 1-0 | B40 Defensa Siciliana: Pin Variation, Koch Variation | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | 35 | Ver |
| 23 jul 2026 | Setina, Vaclav 2028 | Vykouk, Jan 2426 | 0-1 | B22 Defensa Siciliana: Alapin Variation | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | 28 | Ver |
| 23 jul 2026 | Vykouk, Jan 2426 | Vrana, Jan 2266 | 1-0 | C50 Apertura Italiana: Giuoco Pianissimo, Italian Four Knights Variation | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | 32 | Ver |
| 22 jul 2026 | Gahan M G 2162 | Vykouk, Jan 2426 | 0-1 | B22 Defensa Siciliana: Alapin Variation | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | 43 | Ver |
| 22 jul 2026 | Vykouk, Jan 2426 | Sevcikova, Lucia 2130 | ½-½ | B15 Defensa Caro-Kann: Tartakower Variation | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | 54 | Ver |
| 22 jul 2026 | Lihotsky, Lukas 2033 | Vykouk, Jan 2426 | 0-1 | E11 Defensa Bogoindia: Grünfeld Variation | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | 52 | Ver |
| 21 jul 2026 | Vykouk, Jan 2504 | Vogel, Roven 2499 | ½-½ | C55 Apertura Italiana: Two Knights Defense, Modern Bishop's Opening | CzechOpen 2026_A | 6 | Ver |
| 21 jul 2026 | Vykouk, Jan 2426 | Korobov, Anton 2614 | 0-1 | C02 Defensa Francesa: Advance Variation, Euwe Variation | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | 22 | Ver |
| 3 jul 2026 | Vykouk, Jan 2504 | Velicka, Petr 2350 | ½-½ | C54 Apertura Italiana: Classical Variation, Giuoco Pianissimo | FIDE OPEN QCC | 42 | Ver |
| 29 jun 2026 | Vykouk, Jan 2504 | Haba, Petr 2389 | ½-½ | C47 Apertura de los Cuatro Caballos: Scotch Variation Accepted, Main Line | FIDE OPEN QCC | 10 | Ver |
| 29 jun 2026 | Prokofiev, Valentyn 2421 | Vykouk, Jan 2504 | 0-1 | D37 Gambito de Dama rehusado: Three Knights Variation | FIDE OPEN QCC | 64 | Ver |
| 29 jun 2026 | Vykouk, Jan 2504 | Sahidi, Samir 2485 | 1-0 | C50 Apertura Italiana: Giuoco Pianissimo, Italian Four Knights Variation | FIDE OPEN QCC | 38 | Ver |
| 29 jun 2026 | Nguyen Thi Mai Hung 2260 | Vykouk, Jan 2504 | 0-1 | A33 Apertura Inglesa: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | FIDE OPEN QCC | 30 | Ver |
| 29 jun 2026 | Romanishin, Oleg M 2267 | Vykouk, Jan 2504 | ½-½ | A07 Ataque Indio de Rey | FIDE OPEN QCC | 48 | Ver |
| 29 jun 2026 | Vykouk, Jan 2504 | Koval, Jakub 2099 | 1-0 | C77 Apertura Española (Ruy López): Morphy Defense, Anderssen Variation | FIDE OPEN QCC | 42 | Ver |
| 29 jun 2026 | Korniichuk, Oleksandra 2071 | Vykouk, Jan 2487 | 0-1 | B90 Defensa Siciliana: Najdorf Variation, Lipnitsky Attack | FIDE OPEN QCC | 22 | Ver |
| 19 jun 2026 | Vykouk, Jan 2487 | Topencik, Bruno 2233 | 1-0 | C02 Defensa Francesa: Advance Variation, Paulsen Attack | Teplice Open 2026 A-group | 22 | Ver |