| 18 feb 2026 | Miguel, Sergio 2270 | Silva, David 2334 | 1-0 | B40 Defensa Siciliana: French Variation | Torneio Sonangol 2026 | Open | 30 | Ver |
| 14 feb 2026 | Miguel, Sergio 2270 | Oliveira, Luciano 2133 | 1-0 | C52 Apertura Italiana: Evans Gambit, Main Line | Torneio Sonangol 2026 | Open | 31 | Ver |
| 13 feb 2026 | Gama, Edivaldo Jr 2128 | Miguel, Sergio 2270 | 0-1 | C54 Apertura Italiana: Classical Variation, Giuoco Pianissimo, Albin Variation | Torneio Sonangol 2026 | Open | 47 | Ver |
| 13 feb 2026 | Miguel, Sergio 2270 | Domingos, Catarino 2219 | 1-0 | A46 Ataque Torre: Classical Defense, Nimzowitsch Variation | Torneio Sonangol 2026 | Open | 41 | Ver |
| 13 feb 2026 | Sonhy, Jaime 2155 | Miguel, Sergio 2270 | ½-½ | C69 Apertura Española (Ruy López): Exchange Variation, Alapin Gambit | Torneio Sonangol 2026 | Open | 29 | Ver |
| 13 feb 2026 | Da Costa, Joaquim 2030 | Miguel, Sergio 2270 | 0-1 | C65 Apertura Española (Ruy López): Berlin Defense | Torneio Sonangol 2026 | Open | 26 | Ver |
| 31 oct 2025 | Miguel, Sergio 2277 | Sousa, Estevao 2009 | 1-0 | C24 Apertura de Alfil: Berlin Defense | Zone 4.5 Africa Chess Championships Angola 2025 | Open | 9 | Ver |
| 30 oct 2025 | Santos, Luther 2116 | Miguel, Sergio 2277 | ½-½ | E20 Defensa Nimzoindia | Zone 4.5 Africa Chess Championships Angola 2025 | Open | 33 | Ver |
| 27 oct 2025 | Miguel, Sergio 2277 | Beukes, Dante M 2266 | 1-0 | A52 Defensa India: Budapest Gambit Accepted, Main Line, Alekhine Variation, Abonyi Variation | Zone 4.5 Africa Chess Championships Angola 2025 | Open | 40 | Ver |
| 27 oct 2025 | Prospero, Alexandre 2091 | Miguel, Sergio 2277 | 0-1 | C85 Apertura Española (Ruy López): Closed, Delayed Exchange | Zone 4.5 Africa Chess Championships Angola 2025 | Open | 35 | Ver |
| 26 oct 2025 | Miguel, Sergio 2277 | Paiva, Donaldo 2171 | 0-1 | E15 Defensa India de Dama: Fianchetto Variation | Zone 4.5 Africa Chess Championships Angola 2025 | Open | 54 | Ver |
| 26 oct 2025 | Kayonde, Andrew 2307 | Miguel, Sergio 2277 | ½-½ | E20 Defensa Nimzoindia | Zone 4.5 Africa Chess Championships Angola 2025 | Open | 30 | Ver |
| 26 oct 2025 | Sonhy, Jaime 2012 | Miguel, Sergio 2277 | 1-0 | B45 Defensa Siciliana: Four Knights Variation, Exchange Variation | Zone 4.5 Africa Chess Championships Angola 2025 | Open | 26 | Ver |