| 22 mar 2026 | Nsubuga, Haruna 2090 | Nyola Wasswa Mark 2122 | ½-½ | C44 Apertura Escocesa: Scotch Gambit, Advance Variation | Mavens Open International Chess Championship 2026 | 59 | Ver |
| 20 mar 2026 | Czebe, Attila 2290 | Nsubuga, Haruna 2090 | 1-0 | A45 Defensa India: Accelerated London System | Mavens Open International Chess Championship 2026 | 48 | Ver |
| 20 mar 2026 | Nsubuga, Haruna 2090 | Ssegwanyi, Arthur 2330 | 1-0 | C44 Apertura Escocesa: Scotch Gambit, Advance Variation | Mavens Open International Chess Championship 2026 | 60 | Ver |
| 21 feb 2026 | Nsubuga, Haruna 2090 | Bibasa, Bob 2022 | 0-1 | E67 Defensa India de Rey: Fianchetto Variation, Classical Fianchetto | Ugandan Chess Championships 2026 | Open | 49 | Ver |
| 21 feb 2026 | Musasizi, Emmanuel 2091 | Nsubuga, Haruna 2090 | 0-1 | A05 Ataque Indio de Rey: Symmetrical Defense | Ugandan Chess Championships 2026 | Open | 42 | Ver |
| 21 feb 2026 | Musasizi, Emmanuel 2091 | Nsubuga, Haruna 2090 | 0-1 | A05 Ataque Indio de Rey: Symmetrical Defense | Ugandan Chess Championships 2026 | Open | 46 | Ver |
| 20 feb 2026 | Nsubuga, Haruna 2090 | Wanyama, Harold 2188 | 1-0 | C68 Apertura Española (Ruy López): Exchange Variation, Lutikov Variation | Ugandan Chess Championships 2026 | Open | 63 | Ver |
| 15 feb 2026 | Nyola Wasswa Mark 2122 | Nsubuga, Haruna 2090 | 1-0 | A42 Defensa Moderna: Averbakh System | Ugandan Chess Championships 2026 | Open | 99 | Ver |
| 14 feb 2026 | Nsubuga, Haruna 2090 | Kawuma, Patrick 2149 | ½-½ | C01 Defensa Francesa: Exchange Variation | Ugandan Chess Championships 2026 | Open | 36 | Ver |
| 14 feb 2026 | Ssonko, Mathias Allan 2076 | Nsubuga, Haruna 2090 | ½-½ | B13 Defensa Caro-Kann: Exchange Variation | Ugandan Chess Championships 2026 | Open | 31 | Ver |
| 12 feb 2026 | Egesa emmanuel 2102 | Nsubuga, Haruna 2090 | 1-0 | D08 Gambito de Dama rehusado: Albin Countergambit, Normal Line | Ugandan Chess Championships 2026 | Open | 26 | Ver |
| 12 feb 2026 | Kamoga, Rajab 2089 | Nsubuga, Haruna 2090 | 0-1 | B23 Defensa Siciliana: Closed | Ugandan Chess Championships 2026 | Open | 80 | Ver |