| Sep 14, 2025 | Skettos | 1–0 | Marks | Round 5: Skettos, Nicolas - Marks, Ian A | Petrov's Defense: Three Knights Game | |
| Sep 14, 2025 | Marks | ½–½ | Malkin | Round 4: Marks, Ian A - Malkin, Jamie | Dutch Defense: Raphael Variation | |
| Sep 13, 2025 | Yip | 0–1 | Marks | Round 3: Yip, Oscar - Marks, Ian A | Scandinavian Defense: Portuguese Gambit, Wuss Variation | |
| Sep 13, 2025 | Marks | 1–0 | Al Dakl Alla | Round 2: Marks, Ian A - Al Dakl Alla, Humam | King's Indian Attack | |
| Sep 12, 2025 | Nield | ½–½ | Marks | Round 1: Nield, Christopher - Marks, Ian A | Modern Defense: Standard Defense | |
| Feb 26, 2025 | Marks | ½–½ | Brait | World Senior Team 2025 S65 | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Feb 17, 2025 | Meduna | 1–0 | Marks | World Senior Team 2025 S65 | Bogo-Indian Defense: Nimzowitsch Variation | |
| Jul 11, 2024 | Marks | ½–½ | Ungure | wstcc2024o65 | King's Indian Defense: Averbakh Variation, Modern Defense | |
| Jul 10, 2024 | Booth | 0–1 | Marks | wstcc2024o65 | Indian Defense: Anti-Nimzo-Indian | |
| Jul 9, 2024 | Kane | 1–0 | Marks | wstcc2024o65 | Trompowsky Attack: Classical Defense | |
| Jul 7, 2024 | Hansch | ½–½ | Marks | wstcc2024o65 | Queen's Pawn Game: Modern Defense | |
| Jul 5, 2024 | Dekan | 1–0 | Marks | wstcc2024o65 | Czech Defense | |
| Jul 4, 2024 | Marks | 0–1 | Algars | wstcc2024o65 | Sicilian Defense: Closed, Traditional | |
| Jul 3, 2024 | Marks | ½–½ | Bartczak | wst65 | Catalan Opening: Open Defense, Classical Line | |
| May 8, 2024 | Bukvic | 1–0 | Marks | European Senior Team Chess Championship 2024 - Section 65 + | Pirc Defense | |
| Jul 20, 2023 | Marks | 1–0 | Wozny | European Senior Team Chess Championship 2023 50+ | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Jul 19, 2023 | Noyce | 1–0 | Marks | European Senior Team Chess Championship 2023 50+ | Sicilian Defense: Grand Prix Attack | |
| Jul 18, 2023 | Marks | ½–½ | Fink-Nunn | European Senior Team Chess Championship 2023 50+ | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jul 16, 2023 | Marks | 1–0 | Hogarth | European Senior Team Chess Championship 2023 50+ | Modern Defense: Standard Defense | |
| Jul 15, 2023 | Zielinski | ½–½ | Marks | European Senior Team Chess Championship 2023 50+ | Sicilian Defense: Modern Variations, Anti-Qxd4 Move Order Accepted | |
| Jul 14, 2023 | Marks | ½–½ | Kantorik | European Senior Team Chess Championship 2023 50+ | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Jul 13, 2023 | Buriene | ½–½ | Marks | European Senior Team Chess Championship 2023 50+ | Sicilian Defense: French Variation, Normal | |
| — | Marks | 0–1 | Granat | Round 1: Marks, Ian A - Granat, Russell G | King's Indian Attack | |
| — | Marks | ½–½ | Dilleigh | Round 4: Marks, Ian A - Dilleigh, Stephen P | King's Indian Attack | |
| — | Marks | 1–0 | Geoffrey W Sage | Round 6: Marks, Ian A - Geoffrey W Sage | Rapport-Jobava System | |
| — | Barnes | 0–1 | Marks | Round 2: Barnes, David - Marks, Ian A | French Defense: Orthoschnapp Gambit | |
| — | James | ½–½ | Marks | Round 3: James, Geoffrey H - Marks, Ian A | Zukertort Opening: Pirc Invitation | |
| — | Clark | 1–0 | Marks | Round 5: Clark, Robert G - Marks, Ian A | French Defense: McCutcheon Variation, Janowski Variation | |
| — | Habershon | 0–1 | Marks | Round 7: Habershon, Paul F - Marks, Ian A | Zukertort Opening: Pirc Invitation | |
