| 23 ago 2026 | Sachi Jain 2228 | Udvardi, Zalan 2304 | 0-1 | D02 Apertura de Peón de Dama: Symmetrical Variation | Kanizsa Open | 44 | Ver |
| 22 ago 2026 | Udvardi, Zalan 2304 | Korszanski, Stanislaw 2184 | 0-1 | C52 Apertura Italiana: Evans Gambit, Anderssen Defense | Kanizsa Open | 32 | Ver |
| 21 ago 2026 | Paszewski, Mateusz 2400 | Udvardi, Zalan 2304 | 1-0 | B30 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack | Kanizsa Open | 58 | Ver |
| 20 ago 2026 | Udvardi, Zalan 2304 | Krstulovic, Alex 2431 | ½-½ | C02 Defensa Francesa: Advance Variation, Paulsen Attack | Kanizsa Open | 60 | Ver |
| 19 ago 2026 | Vegh, Endre 2108 | Udvardi, Zalan 2304 | 0-1 | B21 Defensa Siciliana: Smith-Morra Gambit | Kanizsa Open | 55 | Ver |
| 18 ago 2026 | Udvardi, Zalan 2304 | Bournel, Antoine 2411 | 0-1 | C02 Defensa Francesa: Advance Variation, Euwe Variation | Kanizsa Open | 22 | Ver |
| 17 ago 2026 | Fronda, Jan Jodilyn 2125 | Udvardi, Zalan 2304 | 0-1 | B30 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack | Kanizsa Open | 41 | Ver |
| 16 ago 2026 | Udvardi, Zalan 2304 | Rivalin, Kenny 2200 | 1-0 | B23 Defensa Siciliana: Grand Prix Attack | Kanizsa Open | 40 | Ver |
| 15 ago 2026 | Jumabayev, Rinat 2572 | Udvardi, Zalan 2304 | 1-0 | A05 Ataque Indio de Rey | Kanizsa Open | 27 | Ver |
| 12 jul 2026 | Aczel, Gergely 2429 | Udvardi, Zalan 2286 | 1-0 | D32 Defensa Tarrasch: Schara Gambit | 2nd Arpad-hazi Jolan Open | 52 | Ver |
| 11 jul 2026 | Udvardi, Zalan 2286 | Gyorfi, Adam 2219 | 1-0 | B25 Defensa Siciliana: Closed | 2nd Arpad-hazi Jolan Open | 57 | Ver |
| 11 jul 2026 | Borocz, Lorinc 2167 | Udvardi, Zalan 2286 | ½-½ | B32 Defensa Siciliana: Kalashnikov Variation | 2nd Arpad-hazi Jolan Open | 39 | Ver |
| 10 jul 2026 | Udvardi, Zalan 2286 | Pasztor, Balazs 2404 | ½-½ | C02 Defensa Francesa: Advance Variation, Paulsen Attack | 2nd Arpad-hazi Jolan Open | 22 | Ver |
| 9 jul 2026 | Onodi, Miklos 2119 | Udvardi, Zalan 2286 | 0-1 | D32 Defensa Tarrasch: Schara Gambit | 2nd Arpad-hazi Jolan Open | 32 | Ver |
| 9 jul 2026 | Udvardi, Zalan 2286 | Marzano, Carlo 2125 | ½-½ | B01 Defensa Escandinava: Classical Variation | 2nd Arpad-hazi Jolan Open | 43 | Ver |
| 8 jul 2026 | Sipos, Stefania 2053 | Udvardi, Zalan 2286 | 0-1 | B45 Defensa Siciliana: Four Knights Variation, Cobra Variation | 2nd Arpad-hazi Jolan Open | 39 | Ver |
| 19 may 2026 | Udvardi, Zalan 2316 | Toth, Lili 2064 | 1-0 | B23 Defensa Siciliana: Closed | Sixdays Budapest 2026 May IM | 45 | Ver |
| 18 may 2026 | Pribelszky, Bence 2375 | Udvardi, Zalan 2316 | 1-0 | B30 Defensa Siciliana: Old Sicilian | Sixdays Budapest 2026 May IM | 56 | Ver |
| 17 may 2026 | Udvardi, Zalan 2316 | Md Imran 2462 | 0-1 | B24 Defensa Siciliana: Closed, Fianchetto Variation | Sixdays Budapest 2026 May IM | 33 | Ver |
| 16 may 2026 | Udvardi, Zalan 2316 | Potluri Saye Srreezza 2098 | 1-0 | C54 Apertura Italiana: Classical Variation, Giuoco Pianissimo | Sixdays Budapest 2026 May IM | 32 | Ver |