| Sep 30, 2025 | Gatner | 1–0 | Aththanayaka | Round 11: Gatner, Leon - Aththanayaka, A M Chesandu Yuven | Dutch Defense: Raphael Variation | |
| Sep 29, 2025 | Aththanayaka | ½–½ | Yerdenev | Round 10: Aththanayaka, A M Chesandu Yuven - Yerdenev, Daniyar | Benoni Defense: Old Benoni | |
| Sep 28, 2025 | Dede | 1–0 | Aththanayaka | Round 9: Dede, Omer Taha - Aththanayaka, A M Chesandu Yuven | Sicilian Defense: Closed | |
| Sep 27, 2025 | Charyyev Charyhekim | ½–½ | Aththanayaka | Round 8: Charyyev Charyhekim - Aththanayaka, A M Chesandu Yuven | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Sep 26, 2025 | Aththanayaka | 1–0 | Stankowski | Round 7: Aththanayaka, A M Chesandu Yuven - Stankowski, Wiktor | Queen's Pawn Game: Colle System | |
| Sep 24, 2025 | Sidelnikov | 1–0 | Aththanayaka | Round 6: Sidelnikov, Fedor Andr - Aththanayaka, A M Chesandu Yuven | Sicilian Defense | |
| Sep 23, 2025 | Aththanayaka | 1–0 | Tamizh Amudhan S | Round 5: Aththanayaka, A M Chesandu Yuven - Tamizh Amudhan S | Indian Defense: Wade-Tartakower Defense | |
| Sep 22, 2025 | Aththanayaka | 0–1 | Khasanchin | Round 4: Aththanayaka, A M Chesandu Yuven - Khasanchin, Damir | Indian Defense: Colle System, King's Indian Variation | |
| Sep 21, 2025 | Makeev | 0–1 | Aththanayaka | Round 3: Makeev, Peter - Aththanayaka, A M Chesandu Yuven | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Sep 20, 2025 | Aththanayaka | 1–0 | Kim | Round 2: Aththanayaka, A M Chesandu Yuven - Kim, Jaeha | Rubinstein Opening | |
| Jul 2, 2025 | Aththanayaka | 1–0 | Chernyshov | Game 2: Aththanayaka, A M Chesandu Yuven - Chernyshov, Ilya | Queen's Pawn Game: Colle System | |
| Jul 1, 2025 | Chernyshov | ½–½ | Aththanayaka | Game 1: Chernyshov, Ilya - Aththanayaka, A M Chesandu Yuven | Indian Defense: Anti-Nimzo-Indian | |
| Jun 29, 2025 | Aththanayaka | 0–1 | Suyundukov | Round 7: Aththanayaka, A M Chesandu Yuven - Suyundukov, Ansar | Queen's Pawn Game: Colle System, Anti-Colle | |
| Jun 28, 2025 | Zhetpis | 0–1 | Aththanayaka | Round 6: Zhetpis , Sanzhar - Aththanayaka, A M Chesandu Yuven | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jun 27, 2025 | Aththanayaka | 1–0 | Rajendran | Round 5: Aththanayaka, A M Chesandu Yuven - Rajendran, I | Rubinstein Opening | |
| Jun 26, 2025 | Aththanayaka | 0–1 | Wang | Round 4: Aththanayaka, A M Chesandu Yuven - Wang, Yuxuan(SH) | Rubinstein Opening | |
| Jun 25, 2025 | Gadisov | 1–0 | Aththanayaka | Round 3: Gadisov, Ali - Aththanayaka, A M Chesandu Yuven | Catalan Opening: Open Defense, Classical Line | |
| Jun 24, 2025 | Aththanayaka | 0–1 | Rakhymtay | Round 2: Aththanayaka, A M Chesandu Yuven - Rakhymtay, Sanzhar | Sicilian Defense: Dragon Variation, Modern Bc4 Variation | |
| Jun 23, 2025 | Dede | 0–1 | Aththanayaka | Round 1: Dede, Omer Taha - Aththanayaka, A M Chesandu Yuven | Sicilian Defense: Closed | |
