| 26 jun 2026 | Breuil, Tristan 2296 | Angulo Perez, Sebastian 2182 | 1-0 | B31 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Gufeld Gambit | FIDE World Youth Chess Championships 2026 | O18 | 24 | Ver |
| 25 jun 2026 | Topuz, Mirac Melih 2082 | Breuil, Tristan 2296 | 1-0 | A28 Apertura Inglesa: King's English Variation, Four Knights Variation, Quiet Line | FIDE World Youth Chess Championships 2026 | O18 | 63 | Ver |
| 24 jun 2026 | Breuil, Tristan 2296 | Pingin, Artem 2477 | 0-1 | B90 Defensa Siciliana: Najdorf Variation, English Attack | FIDE World Youth Chess Championships 2026 | O18 | 44 | Ver |
| 22 jun 2026 | Besou, Hussain 2411 | Breuil, Tristan 2296 | ½-½ | E25 Defensa Nimzoindia: Sämisch Variation | FIDE World Youth Chess Championships 2026 | O18 | 49 | Ver |
| 20 jun 2026 | Breuil, Tristan 2296 | Sapocinic, Semion 2355 | ½-½ | B17 Defensa Caro-Kann: Karpov Variation, Smyslov Variation, Main Line | FIDE World Youth Chess Championships 2026 | O18 | 61 | Ver |
| 19 jun 2026 | Breuil, Tristan 2296 | Milovic, Ilija 2069 | 1-0 | C02 Defensa Francesa: Advance Variation, Euwe Variation | FIDE World Youth Chess Championships 2026 | O18 | 37 | Ver |
| 18 jun 2026 | Artemov, Andriy 2057 | Breuil, Tristan 2296 | ½-½ | D38 Gambito de Dama rehusado: Ragozin Defense | FIDE World Youth Chess Championships 2026 | O18 | 29 | Ver |
| 17 jun 2026 | Breuil, Tristan 2296 | Soojay, Jorah 2100 | ½-½ | C02 Defensa Francesa: Advance Variation, Euwe Variation | FIDE World Youth Chess Championships 2026 | O18 | 135 | Ver |
| 16 jun 2026 | Zhao, Erick 2418 | Breuil, Tristan 2296 | 1-0 | B33 Defensa Siciliana: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | FIDE World Youth Chess Championships 2026 | O18 | 47 | Ver |
| 26 abr 2026 | Breuil, Tristan 2324 | Zienkiewicz, Jan 2279 | 0-1 | B33 Defensa Siciliana: Lasker-Pelikan Variation, Sveshnikov Variation | French Youth Chess Championships 2026 | O18 | 70 | Ver |
| 21 abr 2026 | Breuil, Tristan 2324 | Ernst, Luca 2228 | ½-½ | B45 Defensa Siciliana: Four Knights Variation, Exchange Variation | French Youth Chess Championships 2026 | O18 | 85 | Ver |
| 20 abr 2026 | Soyeux, Gabriel 2127 | Breuil, Tristan 2324 | 0-1 | A45 Ataque Trompowsky | French Youth Chess Championships 2026 | O18 | 73 | Ver |
| 20 abr 2026 | Breuil, Tristan 2324 | Carissan, Matteo 2000 | 1-0 | B30 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack | French Youth Chess Championships 2026 | O18 | 18 | Ver |
| 9 abr 2026 | Breuil, Tristan 2324 | Fernandez, Daniel Howard 2528 | ½-½ | B00 Defensa Pirc | V Open Chess Menorca 2026 | Open A | 64 | Ver |
| 8 abr 2026 | Xiao, Tong(QD) 2555 | Breuil, Tristan 2324 | 1-0 | B30 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack | V Open Chess Menorca 2026 | Open A | 56 | Ver |
| 1 abr 2026 | Cruz, Filemon 2269 | Breuil, Tristan 2324 | 1-0 | A05 Ataque Indio de Rey: Spassky Variation | Tancat C.E. Pardinyes Setmana Santa 2026 | MI | 71 | Ver |
| 28 mar 2026 | Breuil, Tristan 2324 | Mompel Ferruz, Xavier 2355 | 1-0 | B67 Defensa Siciliana: Richter-Rauzer Variation, Neo-Modern Variation | Tancat C.E. Pardinyes Setmana Santa 2026 | MI | 49 | Ver |
| 17 feb 2026 | Breuil, Tristan 2294 | Solodovnichenko, Yuri 2523 | ½-½ | B07 Defensa Pirc | 24th Rochefort Chess Festival | Masters | 65 | Ver |
| 16 feb 2026 | Carnicelli, Valerio 2438 | Breuil, Tristan 2294 | 1-0 | B30 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack | 24th Rochefort Chess Festival | Masters | 35 | Ver |
| 7 oct 2025 | Breuil, Tristan 2326 | Raczek, Krzysztof 2487 | 0-1 | D01 Rapport-Jobava System | FIDE World Youth Chess Championships 2025 | Open U18 | 35 | Ver |