| 10 ago 2026 | Petcu, Gabriel 2248 | Lu, Maximillian 2427 | 0-1 | E60 Defensa India de Rey: Fianchetto Variation | Spilimbergo Master 2026 | 72 | Ver |
| 10 ago 2026 | Sargsyan, Shant 2643 | Petcu, Gabriel 2248 | ½-½ | E10 Defensa India: Anti-Nimzo-Indian | Spilimbergo Master 2026 | 89 | Ver |
| 26 jun 2026 | Petcu, Gabriel 2295 | Ganci, Alberto 2129 | 1-0 | B62 Defensa Siciliana: Richter-Rauzer Variation, Vitolins Variation | FIDE World Youth Chess Championships 2026 | O16 | 45 | Ver |
| 25 jun 2026 | Induwara, T H D Thisarindu 2123 | Petcu, Gabriel 2295 | ½-½ | B51 Defensa Siciliana: Moscow Variation | FIDE World Youth Chess Championships 2026 | O16 | 88 | Ver |
| 24 jun 2026 | Benedikt, Noah 2164 | Petcu, Gabriel 2295 | 1-0 | B53 Defensa Siciliana: Chekhover Variation | FIDE World Youth Chess Championships 2026 | O16 | 39 | Ver |
| 22 jun 2026 | Skembris, Simon Max 2132 | Petcu, Gabriel 2295 | ½-½ | B91 Defensa Siciliana: Najdorf Variation, Zagreb Variation | FIDE World Youth Chess Championships 2026 | O16 | 44 | Ver |
| 20 jun 2026 | Petcu, Gabriel 2295 | Ovitigala, Chenitha Mithvidu 2105 | ½-½ | C18 Defensa Francesa: Winawer Variation, Poisoned Pawn Variation, Main Line | FIDE World Youth Chess Championships 2026 | O16 | 111 | Ver |
| 19 jun 2026 | Zev Ganganbars 2055 | Petcu, Gabriel 2295 | 1-0 | E00 Apertura Catalana | FIDE World Youth Chess Championships 2026 | O16 | 52 | Ver |
| 18 jun 2026 | Petcu, Gabriel 2295 | Gorkov, Kirill 2067 | 1-0 | B12 Defensa Caro-Kann: Advance Variation, Botvinnik-Carls Defense | FIDE World Youth Chess Championships 2026 | O16 | 40 | Ver |
| 17 jun 2026 | Novikau, Mikita 2156 | Petcu, Gabriel 2295 | 1-0 | E10 Defensa India: Anti-Nimzo-Indian | FIDE World Youth Chess Championships 2026 | O16 | 39 | Ver |
| 16 jun 2026 | Petcu, Gabriel 2295 | Pert, Max 2145 | ½-½ | B12 Defensa Caro-Kann: Advance Variation, Short Variation | FIDE World Youth Chess Championships 2026 | O16 | 53 | Ver |
| 7 may 2026 | Ilinca, Felix-Antonio 2486 | Petcu, Gabriel 2323 | 1-0 | E53 Defensa Nimzoindia: Normal Variation, Gligoric System | Sardinia World Chess Festival 2026 | Open A | 52 | Ver |
| 6 may 2026 | Petcu, Gabriel 2323 | Bai, Adelard 2436 | ½-½ | C70 Apertura Española (Ruy López): Morphy Defense, Cozio Defense | Sardinia World Chess Festival 2026 | Open A | 57 | Ver |
| 5 may 2026 | Sokolovsky, Yahli 2564 | Petcu, Gabriel 2323 | ½-½ | B90 Defensa Siciliana: Najdorf Variation, English Attack | Sardinia World Chess Festival 2026 | Open A | 52 | Ver |
| 4 may 2026 | Fier, Alexandr 2578 | Petcu, Gabriel 2323 | 1-0 | E10 Defensa India: Anti-Nimzo-Indian | Sardinia World Chess Festival 2026 | Open A | 37 | Ver |
| 30 abr 2026 | Centamore, Alberto 2094 | Petcu, Gabriel 2261 | 1-0 | B22 Defensa Siciliana: Alapin Variation | Finals: Centamore, Alberto - Petcu, Gabriel | 55 | Ver |
| 29 abr 2026 | Petcu, Gabriel 2261 | Boraso, Alessio 2267 | 0-1 | C11 Defensa Francesa: Steinitz Variation, Boleslavsky Variation | Semifinals: Petcu, Gabriel - Boraso, Alessio | 40 | Ver |
| 28 abr 2026 | Petcu, Gabriel 2261 | Ballotti, Luca 2264 | ½-½ | C17 Defensa Francesa: Winawer Variation, Retreat Variation | Italian Team Championship 2026 | Group B | 66 | Ver |
| 27 abr 2026 | Frigerio, Riccardo 2079 | Petcu, Gabriel 2261 | ½-½ | A37 Apertura Inglesa: Symmetrical Variation, Three Knights, Fianchetto Variation | Italian Team Championship 2026 | Group B | 38 | Ver |
| 25 abr 2026 | Petcu, Gabriel 2261 | Marzano, Carlo 2108 | 0-1 | B01 Defensa Escandinava: Mieses-Kotroc Variation | Italian Team Championship 2026 | Group B | 61 | Ver |