| 1 ago 2026 | Skrbec, Leon 2311 | Radnaev, Leo 2211 | 0-1 | B29 Defensa Siciliana: Nimzowitsch Variation, Closed Variation | CzechOpen 2026_A | 49 | Ver |
| 15 may 2026 | Radnaev, Leo 2277 | Pichot, Alan 2608 | 0-1 | C47 Apertura de los Cuatro Caballos: Naroditsky Variation | Grand Prix PlusCity | Open Austrian Championship | Blitz | 38 | Ver |
| 2 abr 2026 | Radnaev, Leo 2175 | Martinovic, David 2046 | 1-0 | C47 Apertura de los Cuatro Caballos: Naroditsky Variation | Austrian Youth Championships 2026 | U16 | 53 | Ver |
| 1 abr 2026 | Pleimer, Noah 2208 | Radnaev, Leo 2175 | 0-1 | E04 Apertura Catalana: Open Defense | Austrian Youth Championships 2026 | U16 | 31 | Ver |
| 31 mar 2026 | Radnaev, Leo 2081 | Stickler, Florentin 2348 | 0-1 | C00 Defensa Francesa: King's Indian Attack | Austrian Youth Championships 2026 | U16 | 25 | Ver |
| 30 mar 2026 | Radnaev, Leo 2081 | Prober, Raphael 2136 | ½-½ | B23 Defensa Siciliana: Closed | Austrian Youth Championships 2026 | U16 | 82 | Ver |
| 29 mar 2026 | Kim, Thomas Jakob 2218 | Radnaev, Leo 2081 | 0-1 | B28 Defensa Siciliana: O'Kelly Variation, Yerevan System | Austrian Youth Championships 2026 | U16 | 40 | Ver |