| May 4, 2026 | Onslow | ½–½ | Shafi | Round 11: Onslow, Alfie - Shafi, Declan | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| May 3, 2026 | Rughani | 0–1 | Onslow | Round 10: Rughani, Mahin - Onslow, Alfie | Indian Defense: Anti-Nimzo-Indian | |
| May 2, 2026 | Rich | 0–1 | Onslow | Round 9: Rich, Aaron - Onslow, Alfie | Nimzo-Indian Defense: Reshevsky Variation | |
| Apr 7, 2026 | Onslow | 0–1 | Illescas Cordoba | Round 1: Onslow, Alfie - Illescas Cordoba, Miguel | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Mar 22, 2026 | Bullen | 0–1 | Onslow | Round 8: Bullen, Alex - Onslow, Alfie | Zukertort Opening | |
| Mar 21, 2026 | Onslow | ½–½ | Cooksey | Round 7: Onslow, Alfie - Cooksey, Paul S | Caro-Kann Defense: Advance Variation, Short Variation | |
| Mar 15, 2026 | Onslow | 1–0 | Prince | Pall Mall FIDE Congress 13th-15th March 2026 - Open | Sicilian Defense: Kalashnikov Variation | |
| Mar 14, 2026 | Onslow | 1–0 | Hill | Pall Mall FIDE Congress 13th-15th March 2026 - Open | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Mar 13, 2026 | Sajanani | 0–1 | Onslow | Pall Mall FIDE Congress 13th-15th March 2026 - Open | Rapport-Jobava System | |
| Mar 13, 2026 | Onslow | 0–1 | Makkar | Pall Mall FIDE Congress 13th-15th March 2026 - Open | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Feb 21, 2026 | Onslow | 1–0 | Swiatkowski | Round 1: Onslow, Alfie - Swiatkowski, Aram | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Feb 20, 2026 | Onslow | 1–0 | Bara | Round 7: Onslow, Alfie - Bara, Jan | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Feb 19, 2026 | Tahay | 1–0 | Onslow | Round 6: Tahay, Alexis - Onslow, Alfie | Caro-Kann Defense: Two Knights Attack | |
| Feb 18, 2026 | Onslow | 1–0 | Rastogi | Round 4: Onslow, Alfie - Rastogi, Nayan Keats | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Feb 17, 2026 | Shearsby | 1–0 | Onslow | Round 3: Shearsby, Jude - Onslow, Alfie | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Feb 8, 2026 | Onslow | 1–0 | Shaw | Round 6: Onslow, Alfie - Shaw, Dashiell L | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Feb 7, 2026 | Maton | 0–1 | Onslow | Round 5: Maton, Emily - Onslow, Alfie | Queen's Pawn Game: London System | |
| Jan 11, 2026 | Toma | 1–0 | Onslow | Round 4: Toma, Katarzyna - Onslow, Alfie | Caro-Kann Defense: Forgacs Variation | |
| Jan 10, 2026 | Cave | 0–1 | Onslow | Round 3: Cave, Iwan - Onslow, Alfie | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Dec 7, 2025 | Ward | 1–0 | Onslow | Round 10: Ward, Cian - Onslow, Alfie | Caro-Kann Defense: Two Knights Attack | |
| Dec 7, 2025 | Onslow | 0–1 | Palani Narendhranath | Round 7: Onslow, Alfie - Palani Narendhranath | English Opening: Anglo-Indian Defense, Scandinavian Defense, Exchange Variation | |
| Dec 7, 2025 | Czopor | 1–0 | Onslow | Round 6: Czopor, Maciej - Onslow, Alfie | Caro-Kann Defense: Exchange Variation | |
| Dec 6, 2025 | Onslow | 1–0 | Ding | Round 5: Onslow, Alfie - Ding, Yiwen | English Opening: Anglo-Indian Defense, Queen's Indian Formation | |
| Dec 6, 2025 | Onslow | 1–0 | Cawdery | Round 3: Onslow, Alfie - Cawdery, John | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| Dec 6, 2025 | Adams | 1–0 | Onslow | Round 2: Adams, Michael - Onslow, Alfie | Caro-Kann Defense: Advance Variation | |
| Apr 6, 2025 | Shafi | 1–0 | Onslow | Round 8: Shafi, Declan - Onslow, Alfie | Modern Defense: Gurgenidze Defense | |
| Apr 5, 2025 | Onslow | 0–1 | Finn | Round 7: Onslow, Alfie - Finn, Peter | Réti Opening | |
| Feb 16, 2025 | Golding | 1–0 | Onslow | Round 6: Golding, Alex - Onslow, Alfie | Queen's Pawn Game: Colle System | |
| Jan 26, 2025 | Kirk | ½–½ | Onslow | Round 4: Kirk, Ezra - Onslow, Alfie | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jan 25, 2025 | Onslow | 1–0 | Villiers | Round 3: Onslow, Alfie - Villiers, Thomas | Queen's Pawn Game: Accelerated London System | |
| Dec 21, 2024 | Gasanov | * | Onslow | Round 3: Gasanov, Eldar - Onslow, Alfie | English Opening: Great Snake Variation | |
| Jan 14, 2024 | Onslow | ½–½ | Blackburn | Main 4NCL League Division 2 - 2023/24 | French Defense: Winawer Variation, Delayed Exchange Variation | |
| Dec 21, 2024 | Onslow | 1–0 | Kirupakaran | Round 8: Onslow, Alfie - Kirupakaran, Vishnu | English Defense | |
| Dec 21, 2024 | Onslow | * | Malinovskii | Round 10: Onslow, Alfie - Malinovskii, Ilia | Queen's Pawn Game: Accelerated London System | |
| Dec 21, 2024 | Onslow | 1–0 | Ghasi | Round 11: Onslow, Alfie - Ghasi, Ameet K | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Dec 21, 2024 | Andal | * | Onslow | Round 7: Andal, Edmond - Onslow, Alfie | Zukertort Opening: Kingside Fianchetto | |
| Dec 21, 2024 | Badacsonyi | 1–0 | Onslow | Round 9: Badacsonyi, Stanley - Onslow, Alfie | Modern Defense | |
| Aug 18, 2024 | Onslow | 0–1 | Zhou | Round 4: Onslow, Alfie - Zhou, Yang-Fan | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Aug 17, 2024 | Onslow | 1–0 | Varley | Round 2: Onslow, Alfie - Varley, Joe | Sicilian Defense: French Variation | |
| Aug 16, 2024 | Hariharan | 0–1 | Onslow | Round 1: Hariharan, Shambavi - Onslow, Alfie | Bogo-Indian Defense: Retreat Variation | |
| Mar 4, 2023 | Onslow | * | Kovacevic | European Championship | ? | |
| Aug 16, 2022 | Wells | 1–0 | Onslow | Chessable British Championship | King's Indian Attack: Keres Variation | |
| Aug 15, 2022 | Onslow | 0–1 | Wadsworth | Chessable British Championship | French Defense: Paulsen Variation | |
| Aug 14, 2022 | Stoyanov | 0–1 | Onslow | Chessable British Chess Championships: Championship | Nimzo-Larsen Attack: Modern Variation | |
| Aug 13, 2022 | Onslow | 0–1 | Grieve | Chessable British Championship | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Jan 23, 2022 | Onslow | 1–0 | Hunt | 27th 4NCL OTB Congress | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jan 23, 2022 | Ther | 0–1 | Onslow | 27th 4NCL OTB Congress | Caro-Kann Defense: Advance Variation, Van der Wiel Attack | |
| Jan 22, 2022 | Onslow | 1–0 | Pink | 27th 4NCL OTB Congress | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jan 22, 2022 | Sarakauskas | 1–0 | Onslow | 27th 4NCL OTB Congress | Zukertort Opening | |
| Nov 28, 2021 | Onslow | * | Oyama | 4NCL Division 1_2 | ? | |
| Nov 27, 2021 | Jones | * | Onslow | 4NCL Division 1_2 | ? | |
| — | Onslow | 1–0 | Wedge | 27th 4NCL OTB Congress | Modern Defense: Standard Defense | |
