| Apr 26, 2026 | Newansa | * | De Silva | Round 12: Newansa, M Esandi - De Silva, B P Chanthuli Thanishka | ? | |
| Apr 26, 2026 | De Silva | ½–½ | Sanudula | Round 11: De Silva, B P Chanthuli Thanishka - Sanudula, K M Dahamdi | Scandinavian Defense: Main Line, Mieses Variation | |
| Apr 25, 2026 | Munasinghe | ½–½ | De Silva | Round 10: Munasinghe, M A D D D - De Silva, B P Chanthuli Thanishka | Sicilian Defense: Prins Variation, Venice Attack | |
| Apr 25, 2026 | De Silva | ½–½ | Hasansee | Round 9: De Silva, B P Chanthuli Thanishka - Hasansee, P Y S | Sicilian Defense: Dragon Variation, Yugoslav Attack, Panov Variation | |
| Apr 24, 2026 | Alwis | ½–½ | De Silva | Round 8: Alwis, H Sandithi Kusalya - De Silva, B P Chanthuli Thanishka | Sicilian Defense: Najdorf Variation, Main Line | |
| Apr 24, 2026 | De Silva | 0–1 | Palliyage | Round 7: De Silva, B P Chanthuli Thanishka - Palliyage, Sethumlee Devhara | Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid | |
| Apr 20, 2026 | Jayaweera | 0–1 | De Silva | Round 6: Jayaweera, Sayuni Gihansa - De Silva, B P Chanthuli Thanishka | Queen's Pawn Game | |
| Apr 20, 2026 | De Silva | ½–½ | Jayasundara | Round 5: De Silva, B P Chanthuli Thanishka - Jayasundara, J M Theruni V | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | |
| Apr 19, 2026 | Thanthulage | ½–½ | De Silva | Round 4: Thanthulage, Hesanya - De Silva, B P Chanthuli Thanishka | Sicilian Defense: Alapin Variation, Barmen Defense, Modern Line | |
| Apr 19, 2026 | De Silva | ½–½ | Halangoda | Round 3: De Silva, B P Chanthuli Thanishka - Halangoda, Sayumi Sithumila | Caro-Kann Defense: Karpov Variation, Modern Variation | |
| Apr 19, 2026 | Gamaarachchi | * | De Silva | Round 2: Gamaarachchi, G A Senaree M I - De Silva, B P Chanthuli Thanishka | ? | |
| Apr 19, 2026 | De Silva | ½–½ | Perera | Round 1: De Silva, B P Chanthuli Thanishka - Perera, B Yenuthi Sahanlee | Sicilian Defense: Open | |
| Nov 21, 2025 | De Silva | * | Tran Le Vy | Round 2: De Silva, B P Chanthuli Thanishka - Tran Le Vy | Kádas Opening | |
| Jul 19, 2024 | De Silva | 0–1 | Mrittika Mallick | Round 6: De Silva, B P Chanthuli Thanishka - Mrittika Mallick | Sicilian Defense: Najdorf Variation | |
| Dec 8, 2024 | Shanmathi Sree S | 1–0 | De Silva | Round 9: Shanmathi Sree S - De Silva, B P Chanthuli Thanishka | Sicilian Defense: Najdorf Variation, English Attack | |
| Dec 7, 2024 | De Silva | ½–½ | Mu | Round 8: De Silva, B P Chanthuli Thanishka - Mu, Wangxueyao | Sicilian Defense: Dragon Variation, Yugoslav Attack, Panov Variation | |
| Dec 6, 2024 | Sri Darshini T | 1–0 | De Silva | Round 6: Sri Darshini T - De Silva, B P Chanthuli Thanishka | Queen's Gambit Declined: Modern Variation, Normal Line | |
