| Jul 8, 2026 | Ash | 0–1 | Pimentil | Round 9: Ash, Michael - Pimentil, Stephen | Vienna Game | |
| Jul 7, 2026 | Pimentil | 1–0 | Wimalachandra | Round 8: Pimentil, Stephen - Wimalachandra, R D M C S | Nimzowitsch Defense: Scandinavian Variation, Advance Variation | |
| Jul 7, 2026 | Hewitson | 1–0 | Pimentil | Round 7: Hewitson, David - Pimentil, Stephen | Zukertort Opening: Polish Defense | |
| Jul 6, 2026 | Pimentil | 1–0 | McAleer | Round 6: Pimentil, Stephen - McAleer, Thomas | Polish Opening: Czech Defense | |
| Jul 5, 2026 | Nield | ½–½ | Pimentil | Round 5: Nield, Christopher - Pimentil, Stephen | Bishop's Opening: Vienna Hybrid, Hromádka Variation | |
| Jul 5, 2026 | Todd | 0–1 | Pimentil | Round 4: Todd, Andrew - Pimentil, Stephen | English Defense | |
| Jul 4, 2026 | Pimentil | 0–1 | Huang | Round 3: Pimentil, Stephen - Huang, Yushu | Polish Opening: Czech Defense | |
| Jul 3, 2026 | Grant | 1–0 | Pimentil | Round 2: Grant, Jonathan I M - Pimentil, Stephen | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Jul 3, 2026 | Pimentil | 0–1 | Giulian | Round 1: Pimentil, Stephen - Giulian, Philip M | French Defense: Chigorin Variation | |
| May 25, 2026 | Mitraka | 0–1 | Pimentil | Round 7: Mitraka, Chrysoula-Paraskevi - Pimentil, Stephen | Indian Defense: Polish Variation | |
| May 25, 2026 | Pimentil | 1–0 | Campbell | Round 6: Pimentil, Stephen - Campbell, Duncan A F | French Defense: Chigorin Variation | |
| May 24, 2026 | Irving | ½–½ | Pimentil | Round 5: Irving, Neil - Pimentil, Stephen | Zukertort Opening: Polish Defense | |
| May 24, 2026 | Pimentil | 1–0 | Nield | Round 4: Pimentil, Stephen - Nield, Christopher | Polish Opening: Birmingham Gambit | |
| May 23, 2026 | Burnett | 1–0 | Pimentil | Round 3: Burnett, Walter - Pimentil, Stephen | Bird Opening: Myers Defense | |
| May 23, 2026 | Keenan | 1–0 | Pimentil | Round 2: Keenan, Alex - Pimentil, Stephen | Ruy Lopez: Open, Dilworth Variation | |
| May 22, 2026 | Pimentil | 0–1 | Lamarque | Round 1: Pimentil, Stephen - Lamarque, Hugh | Sicilian Defense: Kramnik Variation | |
| Jul 13, 2025 | Pimentil | ½–½ | Campbell | Round 9: Pimentil, Stephen - Campbell, Alistair | Polish Opening | |
| Jul 12, 2025 | Matthew | 0–1 | Pimentil | Round 8: Matthew, Ian G - Pimentil, Stephen | Pirc Defense | |
| Jul 11, 2025 | Pimentil | ½–½ | Railwani | Round 7: Pimentil, Stephen - Railwani, Tavish | Polish Opening | |
| Jul 10, 2025 | Thompson | 1–0 | Pimentil | Round 6: Thompson, Connor - Pimentil, Stephen | Polish Defense | |
| Jul 10, 2025 | Mittal | ½–½ | Pimentil | Round 5: Mittal, Advik - Pimentil, Stephen | Polish Defense | |
| Jul 9, 2025 | Pimentil | 0–1 | McCormack | Round 4: Pimentil, Stephen - McCormack, Derek | Polish Opening: Dutch Defense | |
| Jul 8, 2025 | Pimentil | ½–½ | Giulian | Round 3: Pimentil, Stephen - Giulian, Rosemary A | Polish Opening | |
| Jul 8, 2025 | Pimentil | * | See Arbiter | Round 2: Pimentil, Stephen - See Arbiter | ? | |
| Jul 7, 2025 | Irving | 1–0 | Pimentil | Round 1: Irving, Neil - Pimentil, Stephen | Zukertort Opening: Polish Defense | |