| Apr 19, 2026 | Hewson | 0–1 | Kalinitschew | Round 1: Hewson, Brian W R - Kalinitschew, Sergey | Zukertort Opening: Sicilian Invitation | |
| Nov 12, 2025 | Hewson | ½–½ | Garcia Paolicchi | III OPEN INTERNACIONAL DE AJEDREZ CAP NEGRET +65 | Queen's Gambit Accepted: Normal Variation, Traditional System | |
| Nov 11, 2025 | Fomina | ½–½ | Hewson | III OPEN INTERNACIONAL DE AJEDREZ CAP NEGRET +65 | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Nov 9, 2025 | Camison Zornoza | ½–½ | Hewson | III OPEN INTERNACIONAL DE AJEDREZ CAP NEGRET +65 | Caro-Kann Defense: Two Knights Attack, Mindeno Variation | |
| Sep 28, 2025 | Hewson | 1–0 | Pomes Marcet | European individual senior chess championship 2025 - Open 65+, Rabac, Croatia | Hungarian Opening | |
| Apr 13, 2025 | Hewson | 0–1 | Topchii | ESTCC65 | English Opening: Symmetrical Variation, Full Symmetry Line | |
| Apr 11, 2025 | Novak | 0–1 | Hewson | ESTCC65 | Caro-Kann Defense: Tartakower Variation | |
| Apr 10, 2025 | Hewson | 0–1 | Large | ESTCC65 | Horwitz Defense | |
| Apr 9, 2025 | Hewson | ½–½ | Mueller | ESTCC65 | King's Indian Attack | |
| Apr 7, 2025 | Hewson | ½–½ | Goormachtigh | ESTCC65 | Grünfeld Defense: Three Knights Variation, Petrosian System | |
| Apr 6, 2025 | Hewson | ½–½ | Vinke | ESTCC65 | King's Indian Defense: Sämisch Variation, Panno Main Line | |
| Apr 5, 2025 | Vatter | ½–½ | Hewson | ESTCC65 | Caro-Kann Defense: Exchange Variation | |
| Feb 26, 2025 | Jurek | 1–0 | Hewson | World Senior Team 2025 S65 | Nimzo-Larsen Attack: Classical Variation | |
| Feb 23, 2025 | Hewson | 0–1 | Jansa | World Senior Team 2025 S65 | Grünfeld Defense: Three Knights Variation | |
| Feb 17, 2025 | Hewson | 1–0 | Ogaard | World Senior Team 2025 S65 | King's Indian Attack | |
| Nov 17, 2024 | Hewson | 0–1 | Sunye Neto | World Senior Chess Championship 2024 | King's Indian Attack | |
| Aug 16, 2024 | Hewson | 1–0 | Kolek | do 60 let | Zukertort Opening: Kingside Fianchetto | |
| Aug 11, 2024 | Hewson | 0–1 | Titera | do 60 let | Slav Defense: Modern Line | |
| Aug 10, 2024 | Svoboda | 0–1 | Hewson | do 60 let | Queen's Gambit Declined: Cambridge Springs Defense | |
| Jul 31, 2024 | Hewson | 1–0 | Sugden | Round 3: Hewson, Brian W R - Sugden, John N | English Opening: Symmetrical Variation | |
| Jul 29, 2024 | Hewson | 1–0 | De Coverly | Round 1: Hewson, Brian W R - De Coverly, Roger D | King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System | |
| Jul 11, 2024 | Oehlerich | ½–½ | Hewson | wst65 | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Jul 10, 2024 | Hewson | 0–1 | Cocozza | wstcc2024o65 | Grünfeld Defense: Three Knights Variation, Hungarian Variation | |
| Jul 9, 2024 | Jorgensen | ½–½ | Hewson | wstcc2024o65 | Queen's Indian Defense: Classical Variation, Traditional Variation, Nimzowitsch Line | |
| Jul 7, 2024 | Hewson | ½–½ | Povah | 65-1 | King's Indian Attack: Spassky Variation | |
| Jul 6, 2024 | Vatter | ½–½ | Hewson | 65-1 | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jul 5, 2024 | Hewson | 1–0 | Van Herck | wstcc2024o65 | Nimzo-Indian Defense: Rubinstein System, Taimanov Variation | |
| Jul 4, 2024 | Hewson | 1–0 | Booth | wst65 | Neo-Grünfeld Defense: with Nf3 | |
| Jul 3, 2024 | Joentausta | ½–½ | Hewson | wstcc2024o65 | Caro-Kann Defense: Breyer Variation | |
| Jul 2, 2024 | Mueller | ½–½ | Hewson | wst65 | Caro-Kann Defense: Tartakower Variation | |
| Aug 3, 2024 | Hodge | ½–½ | Hewson | Round 6: Hodge, Steve R - Hewson, Brian W R | Caro-Kann Defense: Exchange Variation | |
| Aug 2, 2024 | Hewson | 0–1 | Shephard | Round 5: Hewson, Brian W R - Shephard, Chris C W | Philidor Defense: Lion Variation | |
| Aug 1, 2024 | Dilleigh | ½–½ | Hewson | Round 4: Dilleigh, Stephen P - Hewson, Brian W R | Semi-Slav Defense: Chigorin Defense | |
| Jul 30, 2024 | Bray | ½–½ | Hewson | Round 2: Bray, David - Hewson, Brian W R | English Opening: Symmetrical Variation, Three Knights Variation | |
| Oct 26, 2023 | Doncevic | 1–0 | Hewson | 65+ World Senior Championship | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Oct 25, 2023 | Hewson | * | Vieira | 65+ World Senior Championship | ? | |
| Jun 10, 2023 | Bulmaga | 1–0 | Hewson | 14th Dolomiti Open | Caro-Kann Defense: Advance Variation, Short Variation | |
| Nov 17, 2022 | Gaprindashvili | 1–0 | Hewson | 30th World Senior Chess Championship 2022 | Slav Defense: Modern Line | |
| Aug 21, 2022 | Hewson | 1–0 | Myall | Chessable British Chess Championships: Seniors 65+ | Slav Defense: Quiet Variation, Schallopp Defense | |
| Aug 19, 2022 | Hewson | 0–1 | De Coverly | Chessable British Chess Championships: Seniors 65+ | King's Indian Defense: Orthodox Variation, Classical System | |
| Aug 18, 2022 | Goldschmidt | 0–1 | Hewson | Chessable British Chess Championships: Seniors 65+ | Catalan Opening | |
| Aug 17, 2022 | Hewson | 0–1 | Nunn | Chessable British Chess Championships: Seniors 65+ | King's Indian Attack: Symmetrical Defense | |
| Aug 16, 2022 | Moore | 0–1 | Hewson | Chessable British Chess Championships: Seniors 65+ | Queen's Pawn Game: Levitsky Attack | |
| Aug 15, 2022 | Hewson | 1–0 | Marshall | Chessable British Chess Championships: Seniors 65+ | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 13, 2022 | Hewson | 1–0 | Scowen | ESCC 65+ Lublin 2022 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 12, 2022 | Hewson | 1–0 | Olszowski | ESCC 65+ Lublin 2022 | Semi-Slav Defense: Accelerated Meran Variation | |
| Jul 11, 2022 | Krupa | 1–0 | Hewson | ESCC 65+ Lublin 2022 | Caro-Kann Defense | |
| Jul 10, 2022 | Hewson | 1–0 | Severcan | ESCC 65+ Lublin 2022 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 9, 2022 | Schulz | 1–0 | Hewson | ESCC 65+ Lublin 2022 | Queen's Pawn Game: Levitsky Attack | |
| Jul 8, 2022 | Hewson | 1–0 | Borowik | ESCC 65+ Lublin 2022 | Queen's Pawn Game | |
| Jul 7, 2022 | Stebbings | 1–0 | Hewson | ESCC 65+ Lublin 2022 | Grünfeld Defense: Smyslov Defense | |
| Jul 6, 2022 | Hewson | ½–½ | Neumann | ESCC 65+ Lublin 2022 | Queen's Indian Defense: Euwe Variation | |
| Jul 5, 2022 | Berkley | ½–½ | Hewson | ESCC 65+ Lublin 2022 | Semi-Slav Defense: Stoltz Variation | |
| — | Hewson | 1–0 | Wilson | Round 1: Hewson, Brian W R - Wilson, Edgar | English Opening: Neo-Catalan Declined | |
| — | Hewson | 1–0 | Collinson | Round 3: Hewson, Brian W R - Collinson, Mark I | Queen's Pawn Game: Krause Variation | |
| — | Hewson | ½–½ | Hutchinson | Round 5: Hewson, Brian W R - Hutchinson, Paul A | King's Indian Defense: Normal Variation, Rare Defenses | |
| — | Milnes | ½–½ | Hewson | Chessable British Chess Championships: Seniors 65+ | Bird Opening: Dutch Variation | |
| — | Bray | 1–0 | Hewson | Round 2: Bray, David - Hewson, Brian W R | Caro-Kann Defense: Panov Attack | |
| — | Spanton | 0–1 | Hewson | Round 4: Spanton, Tim R - Hewson, Brian W R | Caro-Kann Defense: Tartakower Variation | |
| — | Granat | ½–½ | Hewson | Round 6: Granat, Russell G - Hewson, Brian W R | Caro-Kann Defense: Panov Attack, Modern Defense, Mieses Line | |