| Jun 28, 2026 | Lambton | 0–1 | Sasikumar | Round 5: Lambton, David - Sasikumar, Srivathsan | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Jun 28, 2026 | Lambton | 0–1 | Potter | Round 4: Lambton, David - Potter, John M | English Opening: Anglo-Indian Defense | |
| Jun 27, 2026 | Bullen | ½–½ | Lambton | Round 3: Bullen, Alex - Lambton, David | Benoni Defense: Classical Variation, Czerniak Defense, Tal Line | |
| Jun 27, 2026 | Honey | 0–1 | Lambton | Round 2: Honey, Luke Anthony - Lambton, David | Caro-Kann Defense: Classical Variation, Lobron System | |
| Jun 26, 2026 | Lambton | 1–0 | Evans | Round 1: Lambton, David - Evans, Paul R | English Opening: King's English Variation | |
| Mar 29, 2026 | Lambton | 0–1 | Obi | Round 5: Lambton, David - Obi, Okwose Marc | English Opening: King's English Variation | |
| Mar 29, 2026 | Gardiner | 1–0 | Lambton | Round 4: Gardiner, Harry - Lambton, David | Caro-Kann Defense: Endgame Variation | |
| Mar 28, 2026 | Surtees | 1–0 | Lambton | Round 3: Surtees, Mike J - Lambton, David | Caro-Kann Defense | |
| Mar 27, 2026 | Lee Spackman | 0–1 | Lambton | Round 1: Lee Spackman - Lambton, David | Caro-Kann Defense: Classical Variation | |
| Mar 27, 2026 | Lambton | 0–1 | Boswell | Round 2: Lambton, David - Boswell, Jacob Connor | English Opening: Drill Variation | |
| Jun 29, 2025 | Lambton | 1–0 | Cheung | Round 5: Lambton, David - Cheung, Leo | English Opening: Symmetrical Variation, Full Symmetry Line | |
| Jun 29, 2025 | Taylor | ½–½ | Lambton | Round 4: Taylor, Mark - Lambton, David | Caro-Kann Defense: Classical Variation, Main Line | |
| Jun 28, 2025 | Lambton | 1–0 | Tarbuck | Round 3: Lambton, David - Tarbuck, Laurence J M | English Opening: Symmetrical Variation, Full Symmetry Line | |
| Jun 28, 2025 | Roychowdhury | 0–1 | Lambton | Round 2: Roychowdhury, Aashita - Lambton, David | Caro-Kann Defense: Exchange Variation | |
| Jun 27, 2025 | Lambton | ½–½ | Barnes | Round 1: Lambton, David - Barnes, David | English Opening: Jaenisch Gambit | |
| — | Lambton | 0–1 | Maung Maung Latt | Round 1: Lambton, David - Maung Maung Latt | English Opening: Agincourt Defense, Catalan Defense, Semi-Slav Defense | |
| — | Lambton | 0–1 | Lees | Round 4: Lambton, David - Lees, Nicholas | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| — | Layhe | ½–½ | Lambton | Round 2: Layhe, Simon - Lambton, David | English Opening: Symmetrical Variation, Mecking Variation | |
| — | Ilett | 1–0 | Lambton | Round 5: Ilett, Raymond J - Lambton, David | Benoni Defense: Classical Variation | |
