| 8 ago 2026 | Saunders, Aron 2225 | Thomas, James 2005 | 1-0 | C55 Apertura Italiana: Two Knights Defense, Modern Bishop's Opening | 2026 British Chess Championships: Championship | 41 | Ver |
| 7 ago 2026 | Thomas, James 2005 | Zhao, George 2125 | 0-1 | A14 Apertura Inglesa: Agincourt Defense, Neo-Catalan Declined | 2026 British Chess Championships: Championship | 55 | Ver |
| 6 ago 2026 | Verbytski, Oleg 2228 | Thomas, James 2005 | 0-1 | C55 Apertura Italiana: Two Knights Defense, Modern Bishop's Opening | 2026 British Chess Championships: Championship | 13 | Ver |
| 5 ago 2026 | Thomas, James 2005 | Wall, Tim P 2148 | 0-1 | A88 Defensa Holandesa: Leningrad Variation, Warsaw Variation | 2026 British Chess Championships: Championship | 73 | Ver |
| 4 ago 2026 | He, Tom Junde 2266 | Thomas, James 2005 | 1-0 | A59 Gambito Benko aceptado: King Walk Variation | 2026 British Chess Championships: Championship | 33 | Ver |
| 3 ago 2026 | Thomas, James 2005 | Nicholas, Koichi B 2114 | 1-0 | A07 Ataque Indio de Rey: Double Fianchetto | 2026 British Chess Championships: Championship | 40 | Ver |
| 2 ago 2026 | Arakhamia-Grant, Ketevan 2270 | Thomas, James 2005 | 1-0 | C11 Defensa Francesa: Steinitz Variation, Boleslavsky Variation | 2026 British Chess Championships: Championship | 51 | Ver |
| 1 ago 2026 | Thomas, James 2005 | Mirzoeva, Elmira 2261 | ½-½ | A05 Apertura Zukertort | 2026 British Chess Championships: Championship | 43 | Ver |
| 16 may 2026 | Norris, Zack 2184 | Thomas, James 2038 | 1-0 | D11 Defensa Eslava: Modern Line | Frome Chess Congress 2026 - Open | 55 | Ver |
| 8 mar 2026 | Thomas, James 2026 | Dupuis, Denis K 2142 | 0-1 | A05 Ataque Indio de Rey: Symmetrical Defense | English Youth Championships. Top boards per section. | 51 | Ver |
| 8 mar 2026 | Dupuis, Denis K 2142 | Thomas, James 2026 | ½-½ | C01 Defensa Francesa: Exchange Variation | English Youth Championships. Top boards per section. | 20 | Ver |
| 8 mar 2026 | Thomas, James 2026 | Dupuis, Denis K 2142 | ½-½ | A05 Ataque Indio de Rey: Symmetrical Defense | English Youth Championships. Top boards per section. | 34 | Ver |