| 31 ago 2026 | Ashworth, Michael 2044 | Brewer, Callum D 2157 | ½-½ | D31 Defensa Semieslava: Accelerated Move Order | 2nd Swindon Chess Congress - Open | 29 | Ver |
| 30 ago 2026 | Brewer, Callum D 2157 | Martin, Lewis 2066 | ½-½ | B13 Defensa Caro-Kann: Exchange Variation | 2nd Swindon Chess Congress - Open | 31 | Ver |
| 22 ago 2026 | Kirk, Ezra 2201 | Brewer, Callum D 2112 | 1-0 | A14 Apertura Inglesa: Agincourt Defense, Neo-Catalan Declined | 2026 Mind Sports Olympiad London Rapid - Blitz (Sat) | 78 | Ver |
| 22 ago 2026 | Brewer, Callum D 2112 | Dupuis, Denis K 2205 | 1-0 | C45 Apertura Escocesa: Mieses Variation | 2026 Mind Sports Olympiad London Rapid - Blitz (Sat) | 57 | Ver |
| 22 ago 2026 | Kanyamarala, Tarun 2316 | Brewer, Callum D 2112 | 1-0 | D05 Apertura de Peón de Dama: Colle System | 2026 Mind Sports Olympiad London Rapid - Blitz (Sat) | 23 | Ver |
| 22 ago 2026 | Fellowes, Billy 2281 | Brewer, Callum D 2112 | 1-0 | A06 Ataque Nimzo-Larsen: Classical Variation | 2026 Mind Sports Olympiad London Rapid - Blitz (Sat) | 40 | Ver |
| 22 ago 2026 | Ghasi, Ameet K 2502 | Brewer, Callum D 2112 | 1-0 | A07 Ataque Indio de Rey | 2026 Mind Sports Olympiad London Rapid - Blitz (Sat) | 44 | Ver |
| 13 ago 2026 | Heimisson, Hilmir Freyr 2338 | Brewer, Callum D 2157 | 1-0 | A07 Ataque Indio de Rey | Split Chess Open 2026 | 48 | Ver |
| 11 ago 2026 | Brewer, Callum D 2157 | Turel, Tugrul 2303 | 0-1 | C88 Apertura Española (Ruy López): Closed, Anti-Marshall | Split Chess Open 2026 | 54 | Ver |
| 9 ago 2026 | Palac, Mladen 2464 | Brewer, Callum D 2157 | ½-½ | E06 Apertura Catalana: Closed | Split Chess Open 2026 | 19 | Ver |
| 9 ago 2026 | Brewer, Callum D 2157 | Adharsh K 2287 | 1-0 | B90 Defensa Siciliana: Najdorf Variation, Adams Attack | Split Chess Open 2026 | 43 | Ver |
| 23 jul 2026 | Brewer, Callum D 2099 | Badacsonyi, Stanley 2476 | 0-1 | C11 Defensa Francesa: Classical Variation, Burn Variation, Morozevich Line | Sussex University Masters Blitz-1 | 35 | Ver |
| 23 jul 2026 | Brewer, Callum D 2099 | Steiners, Emils 2169 | 1-0 | B23 Defensa Siciliana: Closed, Traditional | Sussex University Masters Blitz-1 | 29 | Ver |
| 23 jul 2026 | Fava, Lorenzo 2060 | Brewer, Callum D 2099 | 1-0 | D01 Rapport-Jobava System | Sussex University Masters Blitz-1 | 27 | Ver |
| 23 jul 2026 | Zilka, Stepan 2462 | Brewer, Callum D 2099 | 1-0 | B10 Defensa Caro-Kann: Endgame Offer | Sussex University Masters Blitz-1 | 32 | Ver |
| 23 jul 2026 | Brewer, Callum D 2137 | Fava, Lorenzo 2343 | 0-1 | B12 Defensa Caro-Kann: Maróczy Variation | Sussex University Masters | 29 | Ver |
| 22 jul 2026 | Brewer, Callum D 2137 | Jackson, James P 2381 | 0-1 | C70 Apertura Española (Ruy López): Morphy Defense, Cozio Defense | Sussex University Masters | 30 | Ver |
| 22 jul 2026 | Brewer, Callum D 2137 | Collins, Adam 2344 | ½-½ | C07 Defensa Francesa: Tarrasch Variation, Open System, Euwe-Keres Line | Sussex University Masters | 50 | Ver |
| 21 jul 2026 | Verbytski, Oleg 2273 | Brewer, Callum D 2137 | 0-1 | C55 Apertura Italiana: Two Knights Defense, Modern Bishop's Opening | Sussex University Masters | 34 | Ver |
| 4 may 2026 | Brewer, Callum D 2128 | Thompson, Ian D 2005 | ½-½ | C02 Defensa Francesa: Advance Variation, Euwe Variation | 4NCL Division 2 2025-2026 | 34 | Ver |