| Nov 16, 2025 | de Roo | ½–½ | Stetsenko | Round 9: de Roo, Patrick J. - Stetsenko, Ilya | Caro-Kann Defense | |
| Nov 15, 2025 | Vergara Rivera | 0–1 | de Roo | Round 8: Vergara Rivera, Juan Sebastiaan - de Roo, Patrick J. | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Nov 15, 2025 | de Roo | ½–½ | Pesqueira | Round 7: de Roo, Patrick J. - Pesqueira, Jose | Owen Defense | |
| Nov 14, 2025 | Viafara | 0–1 | de Roo | Round 6: Viafara, Hernan - de Roo, Patrick J. | King's Indian Defense | |
| Nov 9, 2025 | de Roo | 1–0 | Tromp | Round 5: de Roo, Patrick J. - Tromp, Hubert Randolf | Sicilian Defense: Grand Prix Attack | |
| Nov 9, 2025 | Chaudron | ½–½ | de Roo | Round 4: Chaudron, Frederik Theodoor - de Roo, Patrick J. | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| Nov 8, 2025 | de Roo | 0–1 | Franken | Round 3: de Roo, Patrick J. - Franken, Angelo | King's Gambit Declined: Falkbeer Countergambit Accepted | |
| Nov 8, 2025 | Croes | ½–½ | de Roo | Round 2: Croes, Octavio - de Roo, Patrick J. | Pirc Defense | |
| Nov 7, 2025 | Dirks | 1–0 | de Roo | Round 1: Dirks, Ayden - de Roo, Patrick J. | Pirc Defense: Austrian Attack, Dragon Formation | |
| Nov 6, 2025 | Guevara Ruiz | ½–½ | de Roo | Round 6: Guevara Ruiz, Santiago Jose - de Roo, Patrick J. | Pirc Defense | |
| Nov 5, 2025 | de Roo | 0–1 | Monroy Lopez | Round 5: de Roo, Patrick J. - Monroy Lopez, Gustavo Adolfo | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| Nov 5, 2025 | de Roo | 0–1 | Juarez Meza | Round 4: de Roo, Patrick J. - Juarez Meza, Brayan | Sicilian Defense: Closed | |
| Nov 5, 2025 | Pille Cruz | 1–0 | de Roo | Round 3: Pille Cruz, Juan Luis - de Roo, Patrick J. | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Nov 5, 2025 | de Roo | 0–1 | Toro Ramirez | Round 2: de Roo, Patrick J. - Toro Ramirez, Samuel | Sicilian Defense: Grand Prix Attack | |
| Nov 5, 2025 | Brown Camano | 1–0 | de Roo | Round 6: Brown Camano, Andres Camilo - de Roo, Patrick J. | King's Indian Defense: Makogonov Variation | |
| Nov 5, 2025 | de Roo | 1–0 | Perdomo | Round 4: de Roo, Patrick J. - Perdomo, Hesler | Sicilian Defense: Closed | |
| Nov 5, 2025 | Espinoza Guerrero | 0–1 | de Roo | Round 3: Espinoza Guerrero, Felix Alberto - de Roo, Patrick J. | Pirc Defense | |
| Nov 5, 2025 | de Roo | 0–1 | Toro Ramirez | Round 2: de Roo, Patrick J. - Toro Ramirez, Samuel | Sicilian Defense: Closed, Traditional | |
| Nov 4, 2025 | Pille Cruz | 1–0 | de Roo | Round 6: Pille Cruz, Juan Luis - de Roo, Patrick J. | Pirc Defense: Byrne Variation | |
| Nov 4, 2025 | Cortes Franco | 1–0 | de Roo | Round 5: Cortes Franco, Adrian Ignacio - de Roo, Patrick J. | Petrov's Defense | |
| Nov 3, 2025 | de Roo | 0–1 | Murillo Fortin | Round 4: de Roo, Patrick J. - Murillo Fortin, Iker | King's Gambit Accepted: King's Knight's Gambit | |
| Nov 3, 2025 | de Roo | 0–1 | Ceballos Reyes | Round 3: de Roo, Patrick J. - Ceballos Reyes, Roberto Carlos | Sicilian Defense: Closed | |
| Nov 2, 2025 | Ibarra Carlos Roberto | 1–0 | de Roo | Round 2: Ibarra Carlos Roberto - de Roo, Patrick J. | Pirc Defense | |
| — | de Roo | ½–½ | Cruz Zapata | FIDE World Youth U16 Chess Olympiad 2025 | King's Indian Attack: Wahls Defense | |
| — | de Roo | 1–0 | CLARK | FIDE World Youth U16 Chess Olympiad 2025 | King's Indian Attack: Wahls Defense | |
| — | de Roo | 0–1 | Galvez Lopez | Round 7: de Roo, Patrick J. - Galvez Lopez, Juan Martin | King's Indian Attack: Wahls Defense | |
| — | de Roo | 0–1 | Amith Boddapati | FIDE World Youth U16 Chess Olympiad 2025 | Sicilian Defense: Grand Prix Attack | |
| — | Rojas Salas | ½–½ | de Roo | FIDE World Youth U16 Chess Olympiad 2025 | Pirc Defense | |
| — | Diaz de Pool | 0–1 | de Roo | FIDE World Youth U16 Chess Olympiad 2025 | Pirc Defense: Classical Variation, Quiet System | |
| — | Linares Orellana | 1–0 | de Roo | Round 6: Linares Orellana, Hector Jose - de Roo, Patrick J. | Pirc Defense | |
| — | Claure Verastegui Rene David CM | 1–0 | de Roo | FIDE World Youth U16 Chess Olympiad 2025 | Pirc Defense: Austrian Attack, Weiss Variation | |
| — | Bobadilla | 1–0 | de Roo | Round 9: Bobadilla, Diana - de Roo, Patrick J. | Pirc Defense: Classical Variation, Schlechter Variation | |