| Apr 12, 2026 | Zhao | 1–0 | Sai Han Thiha | new tournament description | King's Indian Defense: Sämisch Variation | |
| Nov 29, 2025 | Sai Han Thiha | 1–0 | Bayantas | Round 2: Sai Han Thiha - Bayantas, Asman | Modern Defense: Pseudo-Austrian Attack | |
| Nov 23, 2025 | Arca | 1–0 | Sai Han Thiha | Round 2: Arca, Christian Gian Karlo - Sai Han Thiha | King's Indian Defense: Fianchetto Variation | |
| Jul 9, 2025 | Buakird | ½–½ | Sai Han Thiha | 1ST BANGKOK SUMMER INTERNATIONAL CHESS OPEN - Standard | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jul 8, 2025 | Sai Han Thiha | 0–1 | Chernyavsky | 1ST BANGKOK SUMMER INTERNATIONAL CHESS OPEN - Standard | King's Indian Attack: Symmetrical Defense | |
| Jul 8, 2025 | Sai Han Thiha | 1–0 | Ko Ko Ohn | 1ST BANGKOK SUMMER INTERNATIONAL CHESS OPEN - Standard | Zukertort Opening: Sicilian Invitation | |
| Jul 7, 2025 | Das | 1–0 | Sai Han Thiha | 1ST BANGKOK SUMMER INTERNATIONAL CHESS OPEN - Standard | King's Indian Attack: Symmetrical Defense | |
| Jul 7, 2025 | Sai Han Thiha | * | Chen | 1ST BANGKOK SUMMER INTERNATIONAL CHESS OPEN - Standard | ? | |
| Jul 6, 2025 | Akshat | ½–½ | Sai Han Thiha | 1ST BANGKOK SUMMER INTERNATIONAL CHESS OPEN - Standard | King's Indian Defense: Kramer Variation | |
| Jul 5, 2025 | Aba-A | 1–0 | Sai Han Thiha | 1ST BANGKOK SUMMER INTERNATIONAL CHESS OPEN - Blitz | Zukertort Opening | |
| Jul 5, 2025 | Sai Han Thiha | 1–0 | Teo | 1ST BANGKOK SUMMER INTERNATIONAL CHESS OPEN - Standard | King's Indian Attack: Keres Variation | |
| Jul 4, 2025 | Rolston | ½–½ | Sai Han Thiha | 1ST BANGKOK SUMMER INTERNATIONAL CHESS OPEN - Standard | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Jun 20, 2024 | Sai Han Thiha | 1–0 | Krishnan | Round 2: Sai Han Thiha - Krishnan, Ritvik | Zukertort Opening: Sicilian Invitation | |
| Apr 28, 2023 | Han Thiha | ½–½ | Bin Yazeed | 2023 Asian U18 Mixed Doubles Chess Championship | Slav Defense: Exchange Variation | |
| Apr 28, 2023 | Han Thiha | ½–½ | Amer | 2023 Asian U18 Mixed Doubles Chess Championship | King's Indian Defense: Orthodox Variation | |
| Apr 28, 2023 | Han Thiha | 1–0 | Fandi | 2023 Asian U18 Mixed Doubles Chess Championship | Bogo-Indian Defense: Nimzowitsch Variation | |
| Apr 28, 2023 | Kao | 0–1 | Han Thiha | 2023 Asian U18 Mixed Doubles Chess Championship | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Apr 28, 2023 | Amanzholov | 0–1 | Han Thiha | 2023 Asian U18 Mixed Doubles Chess Championship | ? | |
| Apr 28, 2023 | De Silva | 1–0 | Han Thiha | 2023 Asian U18 Mixed Doubles Chess Championship | Caro-Kann Defense: Tartakower Variation | |
| Aug 9, 2022 | Sai Han Thiha | 1–0 | Rodriguez Santiago Jaime | WCO | Modern Defense: Two Knights Variation, Suttles Variation | |
| Aug 8, 2022 | Sai Han Thiha | 1–0 | Napoleao Lourenco | WCO | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Aug 7, 2022 | Blackburn Jonathan L B | 1–0 | Sai Han Thiha | WCO | King's Indian Defense: Normal Variation | |
| Aug 6, 2022 | Sai Han Thiha | ½–½ | Tan Jun Ying | WCO | Benoni Defense: Old Benoni, Mujannah Formation | |
| Aug 5, 2022 | Sai Han Thiha | 1–0 | Al-Hajiri Bader | WCO | London System | |
| Aug 3, 2022 | Sai Han Thiha | 0–1 | Kigigha Bomo | WCO | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Aug 2, 2022 | Sai Han Thiha | 1–0 | Piva Michele | WCO | Modern Defense: Two Knights Variation | |
| Jul 31, 2022 | Sai Han Thiha | 1–0 | Weldegebriel Beraki Kibrom | WCO | Zukertort Opening: Nimzo-Larsen Variation | |
| Jul 30, 2022 | Sai Han Thiha | 1–0 | Muheto Dieudonne | WCO | London System | |
| Jul 29, 2022 | Sai Han Thiha | 0–1 | Albornoz Cabrera Carlos Daniel | WCO | London System | |
| — | Sai Han Thiha | 1–0 | Hong | 2nd The Rooky International Open 2024 ♖♖♖♜♜♖♖♖♜♜♖♖♖ Standard Open | King's Indian Attack | |
| — | Sai Han Thiha | 1–0 | Dayal | 2nd The Rooky International Open 2024 ♖♖♖♜♜♖♖♖♜♜♖♖♖ Standard Open | King's Indian Attack: Symmetrical Defense | |
| — | Sai Han Thiha | 1–0 | Habla | 2nd The Rooky International Open 2024 ♖♖♖♜♜♖♖♖♜♜♖♖♖ Standard Open | King's Indian Attack: Keres Variation | |
| — | Ling | 1–0 | Sai Han Thiha | 2nd The Rooky International Open 2024 ♖♖♖♜♜♖♖♖♜♜♖♖♖ Rapid Open | Caro-Kann Defense: Exchange Variation | |
| — | Jin | 0–1 | Sai Han Thiha | 2nd The Rooky International Open 2024 ♖♖♖♜♜♖♖♖♜♜♖♖♖ Standard Open | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| — | Buakird | 0–1 | Sai Han Thiha | 2nd The Rooky International Open 2024 ♖♖♖♜♜♖♖♖♜♜♖♖♖ Standard Open | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| — | Chernyavsky | 1–0 | Sai Han Thiha | 2nd The Rooky International Open 2024 ♖♖♖♜♜♖♖♖♜♜♖♖♖ Standard Open | King's Indian Defense: Fianchetto Variation, Kavalek Defense | |
| — | Jonathan Anthony | ½–½ | Sai Han Thiha | 2nd The Rooky International Open 2024 ♖♖♖♜♜♖♖♖♜♜♖♖♖ Standard Open | Caro-Kann Defense: Exchange Variation | |