| 18 jul 2026 | Zeman, Matyas 2325 | Mametev, Artem 2199 | ½-½ | B52 Defensa Siciliana: Moscow Variation, Main Line | Czech Open 2026 | E | 14 | Ver |
| 28 feb 2026 | Stalmach, Richard 2408 | Mametev, Artem 2217 | 1-0 | E73 Defensa India de Rey: Semi-Averbakh System | PICF 2026 - KAREL JANECEK Open | 26 | Ver |
| 22 nov 2025 | Mametev, Artem 2235 | Novotny, Dominik 2020 | 0-1 | B57 Defensa Siciliana: Classical Variation, Anti-Sozin Variation | Polofinale MCR junioru 2025 | 44 | Ver |
| 21 nov 2025 | Andrle, Filip 2109 | Mametev, Artem 2235 | ½-½ | B90 Defensa Siciliana: Najdorf Variation, English Attack | Polofinale MCR junioru 2025 | 38 | Ver |
| 20 nov 2025 | Mametev, Artem 2235 | Janous, Marek 2225 | 0-1 | A00 Van't Kruijs Opening | Polofinale MCR junioru 2025 | 27 | Ver |
| 19 nov 2025 | Svadlenka, Dominik 2292 | Mametev, Artem 2235 | ½-½ | E94 Defensa India de Rey: Orthodox Variation | Polofinale MCR junioru 2025 | 31 | Ver |
| 18 nov 2025 | Mametev, Artem 2235 | Hladky, Tadeas 2159 | ½-½ | C03 Defensa Francesa: Tarrasch Variation | Polofinale MCR junioru 2025 | 45 | Ver |
| 18 nov 2025 | Hrbek, Jachym 2068 | Mametev, Artem 2235 | 0-1 | E73 Defensa India de Rey: Semi-Averbakh System | Polofinale MCR junioru 2025 | 53 | Ver |
| 17 nov 2025 | Mametev, Artem 2235 | Juhanak, Daniel 2091 | ½-½ | B17 Defensa Caro-Kann: Karpov Variation, Modern Variation | Polofinale MCR junioru 2025 | 60 | Ver |
| 16 nov 2025 | Mikolas, Jakub 2003 | Mametev, Artem 2235 | 0-1 | B52 Defensa Siciliana: Moscow Variation, Sokolsky Variation | Polofinale MCR junioru 2025 | 26 | Ver |