| Jun 22, 2026 | Mun | 0–1 | So | Round 5: Mun, Jasper - So, Mason | London System, with Bd3 | |
| Jun 22, 2026 | So | ½–½ | Uzdin | Round 4: So, Mason - Uzdin, Rene | Queen's Pawn Game: London System | |
| Jun 22, 2026 | So | 1–0 | Bao | Round 3: So, Mason - Bao, Patrick | Queen's Pawn Game: Accelerated London System | |
| Jun 22, 2026 | Louise Chen | 0–1 | So | Round 2: Louise Chen - So, Mason | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Mar 8, 2026 | Krish | * | So | English Youth Championships. Top boards per section. | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Feb 20, 2026 | So | 0–1 | Samarasinghe Jude | 1st Milton Keynes FIDE Rated 11 Rounds Blitz | Queen's Pawn Game: London System, with e6 | |
| Feb 20, 2026 | Thushyanthan | 1–0 | So | 1st Milton Keynes FIDE Rated 11 Rounds Blitz | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Feb 20, 2026 | So | 0–1 | Mozaffari | 1st Milton Keynes FIDE Rated 11 Rounds Blitz | Indian Defense: Accelerated London System | |
| Oct 12, 2025 | So | 1–0 | Zlobin | Round 9: So, Mason - Zlobin, Maksim | Queen's Pawn Game: London System, with e6 | |
| Oct 12, 2025 | So | 1–0 | Hu | Round 8: So, Mason - Hu, Jason | Queen's Pawn Game: Accelerated London System | |
| Oct 12, 2025 | Louis Smith | * | So | Round 7: Louis Smith - So, Mason | ? | |
| Oct 12, 2025 | So | * | Chan | Round 6: So, Mason - Chan, Lincoln | ? | |
| Oct 11, 2025 | Kulkarni | * | So | Round 5: Kulkarni, Arin - So, Mason | ? | |
| Oct 11, 2025 | So | * | Bijibilla | Round 4: So, Mason - Bijibilla, Anish | ? | |
| Oct 11, 2025 | Warman | * | So | Round 3: Warman, Yuri - So, Mason | ? | |
| Oct 11, 2025 | So | * | Leo Rentsch | Round 2: So, Mason - Leo Rentsch | ? | |
| Oct 11, 2025 | Condron | 1–0 | So | Round 1: Condron, Harrison - So, Mason | Sicilian Defense: Löwenthal Variation | |
| Jul 31, 2025 | Talluri | 1–0 | So | Round 9: Talluri, Vibhav - So, Mason | Slav Defense: Exchange Variation | |
| Jul 31, 2025 | Ranatunga | 0–1 | So | Round 8: Ranatunga, Kaemin - So, Mason | Queen's Pawn Game: Accelerated London System | |
| Jul 31, 2025 | So | 0–1 | Sakata | Round 7: So, Mason - Sakata, Frankie | Queen's Pawn Game: Chigorin Variation | |
| Jul 31, 2025 | Arvin Banerjee | 1–0 | So | Round 6: Arvin Banerjee - So, Mason | Four Knights Game: Italian Variation | |
| Jul 31, 2025 | So | 0–1 | Wang | Round 5: So, Mason - Wang, Noah Yinuo | Englund Gambit: Main Line | |
| Jul 31, 2025 | Gampa | 0–1 | So | Round 4: Gampa, Dyuthi Sri - So, Mason | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 31, 2025 | So | 0–1 | Dobryanskyy | Round 3: So, Mason - Dobryanskyy, Artur | Italian Game: Two Knights Defense, Fried Liver Attack | |
| Jul 31, 2025 | Kulibaev | 1–0 | So | Round 2: Kulibaev, Richard - So, Mason | Sicilian Defense: Open | |
| Jul 31, 2025 | So | 0–1 | Bhaduri | Round 1: So, Mason - Bhaduri, Aviraj | Queen's Pawn Game: London System | |
| — | So | 1–0 | Sohal | Round 1: So, Mason - Sohal, Aneeksha | Queen's Pawn Game: London System | |
| — | So | 0–1 | Kulibaev | Round 3: So, Mason - Kulibaev, Richard | Queen's Pawn Game: Accelerated London System | |
| — | So | 1–0 | Rohan Hickey | Round 5: So, Mason - Rohan Hickey | Indian Defense | |
| — | So | 0–1 | Oudet | Round 7: So, Mason - Oudet, Charlotte | Queen's Pawn Game: London System | |
| — | So | 0–1 | Bhaduri | Round 9: So, Mason - Bhaduri, Aviraj | English Opening: Symmetrical Variation | |
| — | Singh | 1–0 | So | Round 2: Singh, Adamjeet - So, Mason | Sicilian Defense: Löwenthal Variation | |
| — | Gomez | 1–0 | So | Round 4: Gomez, Magnus - So, Mason | Slav Defense: Three Knights Variation | |
| — | Irie -Williams | 0–1 | So | Round 6: Irie -Williams, Silk - So, Mason | Queen's Pawn Game: Accelerated London System | |
| — | Lozano Burnham | 0–1 | So | Round 8: Lozano Burnham, Ana Sofia - So, Mason | Sicilian Defense: Bowdler Attack | |