| Aug 3, 2024 | Czarnuch | 1–0 | Calvert | Round 7: Czarnuch, Dominic - Calvert, William | Semi-Slav Defense: Anti-Moscow Gambit | |
| Aug 3, 2024 | Calvert | * | Czarnuch | Round 7: Calvert, William - Czarnuch, Dominic | Semi-Slav Defense: Anti-Moscow Gambit | |
| Aug 2, 2024 | Waller | 1–0 | Calvert | Round 6: Waller, Nathanael - Calvert, William | Italian Game: Giuoco Pianissimo, Normal | |
| Jul 31, 2024 | Saxena | 1–0 | Calvert | Round 4: Saxena, Reyansh - Calvert, William | Italian Game: Classical Variation | |
| Jul 28, 2024 | Fang | 1–0 | Calvert | Round 1: Fang, Brandon Jun Qiao - Calvert, William | Scotch Game: Haxo Gambit | |
| Jul 27, 2024 | Calvert | 0–1 | Adithya Bhaskaran | Round 9: Calvert, William - Adithya Bhaskaran | Four Knights Game: Glek System | |
| Jul 27, 2024 | Gandhi | 1–0 | Calvert | Round 8: Gandhi, Preesh - Calvert, William | Ruy Lopez: Morphy Defense, Caro Variation | |
| Jul 27, 2024 | Calvert | 1–0 | Emmanuel Adeboye | Round 7: Calvert, William - Emmanuel Adeboye | Caro-Kann Defense | |
| Jul 26, 2024 | Alexander Dearing | 1–0 | Calvert | Round 6: Alexander Dearing - Calvert, William | Slav Defense: Exchange Variation | |
| Jul 26, 2024 | Calvert | 1–0 | Tokus | Round 5: Calvert, William - Tokus, Yavuz | Italian Game: Giuoco Pianissimo, Normal | |
| Jul 26, 2024 | Van Neerven | 1–0 | Calvert | Round 4: Van Neerven, Yvon - Calvert, William | Queen's Pawn Game: London System | |
| Jul 26, 2024 | Calvert | 1–0 | Andreas Fernandez | Round 3: Calvert, William - Andreas Fernandez | Italian Game: Giuoco Piano | |
| Jul 26, 2024 | Saxena | 1–0 | Calvert | Round 2: Saxena, Reyansh - Calvert, William | Italian Game: Classical Variation, Greco Gambit, Traditional Line | |
| Jul 26, 2024 | Calvert | 0–1 | Catabay | Round 1: Calvert, William - Catabay, Rezin C | French Defense: Advance Variation, Nimzowitsch System | |
| Jul 25, 2024 | Fernando Munoz | 1–0 | Calvert | Round 9: Fernando Munoz - Calvert, William | Queen's Gambit Accepted: Central Variation, Alekhine System | |
| Jul 25, 2024 | Singh | 1–0 | Calvert | Round 8: Singh, Avyanna - Calvert, William | Scotch Game: Classical Variation | |
| Jul 25, 2024 | Calvert | 1–0 | Arrojo-Garcia | Round 7: Calvert, William - Arrojo-Garcia, Nicolas | Italian Game: Giuoco Pianissimo, Canal Variation | |
| Jul 25, 2024 | Gandhi | 1–0 | Calvert | Round 6: Gandhi, Preesh - Calvert, William | Ruy Lopez | |
| Jul 25, 2024 | Calvert | 1–0 | Yeung | Round 5: Calvert, William - Yeung, Jia-Arn | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jul 25, 2024 | Freddie Copland | 0–1 | Calvert | Round 4: Freddie Copland - Calvert, William | Italian Game: Two Knights Defense | |
| Jul 25, 2024 | Calvert | 0–1 | Eru | Round 3: Calvert, William - Eru, Hugo | Sicilian Defense: Modern Variations | |
| Jul 25, 2024 | Helsby | 1–0 | Calvert | Round 2: Helsby, Matthew - Calvert, William | Queen's Pawn Game: Chigorin Variation | |
| Jul 25, 2024 | Calvert | 0–1 | Bevis | Round 1: Calvert, William - Bevis, Noah | Sicilian Defense: French Variation | |
| Aug 1, 2024 | Calvert | 0–1 | Gandhi | Round 5: Calvert, William - Gandhi, Preesh | Three Knights Opening | |
| Jul 30, 2024 | Calvert | 0–1 | Pustyntsev | Round 3: Calvert, William - Pustyntsev, Oleksii | Sicilian Defense: Bowdler Attack | |
| Jul 29, 2023 | Mehta | 1–0 | Calvert | British Championships: Junior Under 10 | Queen's Pawn Game: Accelerated London System | |
| Jul 28, 2023 | Calvert | 0–1 | Mittal | British Championships: Junior Under 10 | Sicilian Defense: Bowdler Attack | |
| Jul 27, 2023 | Wen | 1–0 | Calvert | British Championships: Junior Under 10 | Ruy Lopez: Classical Variation | |
| Jul 26, 2023 | Calvert | 0–1 | Bednaya | British Championships: Junior Under 10 | Italian Game: Giuoco Pianissimo | |
| Jul 26, 2023 | Calvert | 0–1 | Saxena | British Championships: Junior Under 10 | Four Knights Game: Italian Variation | |
| Jul 25, 2023 | Helsby | 1–0 | Calvert | British Championships: Junior Under 10 | Zukertort Opening: Sicilian Invitation | |
