| Dec 20, 2025 | Sinckler | 0–1 | Pedrosa Rivera | Round 9: Sinckler, Mileke - Pedrosa Rivera, Joshua | Bogo-Indian Defense: Retreat Variation | |
| Dec 18, 2025 | Ramirez | ½–½ | Sinckler | Round 7: Ramirez, Daniel - Sinckler, Mileke | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Dec 18, 2025 | Sinckler | 1–0 | Clarke | Round 6: Sinckler, Mileke - Clarke, Noah | Indian Defense: Budapest Defense, Adler Variation | |
| Dec 17, 2025 | Pitamber | ½–½ | Sinckler | Round 5: Pitamber, Sachin Dhilan - Sinckler, Mileke | Sicilian Defense: Closed | |
| Dec 16, 2025 | Sinckler | 1–0 | Blackett | Round 4: Sinckler, Mileke - Blackett, Amari | King's Indian Defense: Pomar System | |
| Dec 16, 2025 | Samuel Bisnath | 1–0 | Sinckler | Round 3: Samuel Bisnath, Kael - Sinckler, Mileke | Sicilian Defense: French Variation, Westerinen Attack | |
| Dec 15, 2025 | Sinckler | 1–0 | Barrett | Round 2: Sinckler, Mileke - Barrett, Daijon | Queen's Gambit Declined | |
| Dec 15, 2025 | Rosich Lopez | 0–1 | Sinckler | Round 1: Rosich Lopez, Walter - Sinckler, Mileke | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Dec 9, 2025 | Sinckler | ½–½ | Guevara Ruiz | Round 8: Sinckler, Mileke - Guevara Ruiz, Marvin Andres | Catalan Opening | |
| Sep 13, 2025 | Kirton | 0–1 | Sinckler | Barbados National Open Chess Championship Finals 2025 | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Sep 13, 2025 | Sinckler | 1–0 | Thompson | Barbados National Open Chess Championship Finals 2025 | Benko Gambit Accepted: Fully Accepted Variation | |
| Sep 13, 2025 | Farley | ½–½ | Sinckler | Barbados National Open Chess Championship Finals 2025 | English Opening: King's English Variation, Two Knights Variation, Keres Variation | |
| Sep 13, 2025 | Sinckler | 0–1 | Del Castilho | Barbados National Open Chess Championship Finals 2025 | Catalan Opening | |
| Sep 13, 2025 | Rochester | ½–½ | Sinckler | Barbados National Open Chess Championship Finals 2025 | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Sep 13, 2025 | Sinckler | 0–1 | Corbin | Barbados National Open Chess Championship Finals 2025 | Dutch Defense: Classical Variation, Ilyin-Zhenevsky Variation, Alatortsev-Lisitsyn Line | |
| Sep 13, 2025 | Clarke | ½–½ | Sinckler | Barbados National Open Chess Championship Finals 2025 | Torre Attack: Classical Defense | |
| Sep 13, 2025 | Sinckler | 1–0 | Parsons | Barbados National Open Chess Championship Finals 2025 | Bogo-Indian Defense: Retreat Variation | |
| Sep 13, 2025 | Sinckler | 0–1 | Edwards | Barbados National Open Chess Championship Finals 2025 | Queen's Gambit Accepted: Classical Defense, Main Line | |
| — | Sinckler | 0–1 | Jeandor | Round 3: Sinckler, Mileke - Jeandor, Kaylani | Queen's Gambit Declined | |
| — | Sinckler | 1–0 | Munoz Feliz | Round 4: Sinckler, Mileke - Munoz Feliz, Lisanny | Slav Defense: Modern Line | |
| — | Sinckler | 0–1 | Calderon Guerra | Round 1: Sinckler, Mileke - Calderon Guerra,Odalys Lisbeth | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| — | Sinckler | 1–0 | Grisales Gamez | FIDE World Youth U16 Chess Olympiad 2025 | Queen's Indian Defense: Kasparov-Petrosian Variation, Marco Defense | |
| — | Sinckler | 1–0 | Ayubi | Round 8: Sinckler, Mileke - Ayubi, Amir | Queen's Gambit Declined | |
| — | Herrera Catrilef | 0–1 | Sinckler | Round 2: Herrera Catrilef, Alison - Sinckler, Mileke | Sicilian Defense: French Variation | |
| — | Garcia Rojas | 0–1 | Sinckler | FIDE World Youth U16 Chess Olympiad 2025 | Indian Defense: London System | |
| — | Mendoza Beltran | 0–1 | Sinckler | Round 6: Mendoza Beltran, Mario Andres - Sinckler, Mileke | Indian Defense | |
| — | Sierra Isaza | 1–0 | Sinckler | Round 9: Sierra Isaza, Jose Eduardo - Sinckler, Mileke | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
