| Apr 2, 2026 | Gardner | * | Lacasa Diaz | Round 9: Gardner, Leo - Lacasa Diaz, Oriol | ? | |
| Apr 1, 2026 | Garcia Caro | 1–0 | Gardner | Round 8: Garcia Caro, Juan Alber - Gardner, Leo | Indian Defense | |
| Apr 1, 2026 | Gardner | 0–1 | Funes Ostos | Round 7: Gardner, Leo - Funes Ostos, Aitor | Caro-Kann Defense: Maróczy Variation | |
| Mar 30, 2026 | Dominguez Laguna | 0–1 | Gardner | Round 5: Dominguez Laguna, Didac - Gardner, Leo | Sicilian Defense: Alapin Variation | |
| Mar 30, 2026 | Gardner | 1–0 | Nova Sanchez | Round 4: Gardner, Leo - Nova Sanchez, Victor | Four Knights Game: Scotch Variation Accepted, Main Line | |
| Mar 29, 2026 | Watson Alabart | * | Gardner | Round 3: Watson Alabart, Vian Ross - Gardner, Leo | ? | |
| Mar 29, 2026 | Gardner | * | Casali Mata | Round 2: Gardner, Leo - Casali Mata, Kevin | ? | |
| Mar 22, 2026 | Boix Redorta | ½–½ | Gardner | Round 6: Boix Redorta, Roc - Gardner, Leo | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Mar 22, 2026 | Valle Luis | 1–0 | Gardner | Round 1: Valle Luis, Leo - Gardner, Leo | Sicilian Defense: Najdorf Variation | |
| Dec 20, 2025 | Gardner | 0–1 | Valencia Jimenez | Sunway Sitges 2025 | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Jul 13, 2024 | Gardner | 0–1 | Plasencia Martinez | Round 6: Gardner, Leo - Plasencia Martinez, Victor | Scotch Game: Schmidt Variation | |
| Jul 13, 2024 | Gardner | 0–1 | Esplugas Esteve | Round 4: Gardner, Leo - Esplugas Esteve, Vicenc | French Defense: Winawer Variation, Advance Variation | |
| Nov 1, 2024 | Gardner | 0–1 | Parra Ordorica | Round 1: Gardner, Leo - Parra Ordorica, Arnau | Scotch Game: Schmidt Variation | |
| Aug 12, 2022 | Tomy | ½–½ | Gardner | Chessable British Chess Championships: Under 16 | Modern Defense: Averbakh System | |
| Aug 11, 2022 | Fleri | 0–1 | Gardner | Chessable British Chess Championships: Under 16 | King's Indian Defense: Semi-Averbakh System | |
| Aug 9, 2022 | Weersing | 1–0 | Gardner | Chessable British Chess Championships: Under 16 | King's Indian Defense: Kramer Variation | |
| Aug 8, 2022 | Gardner | 1–0 | Buckman | Chessable British Chess Championships: Under 16 | Scandinavian Defense: Modern Variation | |
| Dec 22, 2020 | Shatil | 1–0 | Gardner | Sitges Open A | Nimzo-Larsen Attack: English Variation | |
| Dec 21, 2020 | Gardner | 0–1 | Vinolas Anglada | Sitges Open A | Four Knights Game: Scotch Variation Accepted | |
| Dec 17, 2020 | Mayrhuber | 1–0 | Gardner | Sitges Open A | Torre Attack: Fianchetto Defense | |
| — | Gardner | ½–½ | Harandi | Chessable British Chess Championships: Under 16 | Sicilian Defense: Kan Variation, Modern Variation | |
| — | Gardner | 1–0 | Maton | Chessable British Chess Championships: Under 16 | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| — | Sachdeva | 1–0 | Gardner | Chessable British Chess Championships: Under 16 | Sicilian Defense: Closed | |
