| Jun 27, 2026 | Niharika Challa | 1–0 | Siddharth | Round 3: Niharika Challa - Siddharth, Sai | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Jun 26, 2026 | Siddharth | 0–1 | Balmagambetov | Round 2: Siddharth, Sai - Balmagambetov, Timur | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Jun 25, 2026 | Afanasiev | 0–1 | Siddharth | Round 1: Afanasiev, Vadim - Siddharth, Sai | Catalan Opening: Open Defense, Classical Line | |
| Jun 13, 2026 | Siddharth | 0–1 | Langrock | Round 2: Siddharth, Sai - Langrock, Hannes | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Nov 29, 2025 | Siddharth | 0–1 | Abdsattar | Round 3: Siddharth, Sai - Abdsattar, Alisher | Ruy Lopez: Morphy Defense, Classical Defense Deferred | |
| Nov 20, 2025 | Rosh Jain | 0–1 | Siddharth | Round 2: Rosh Jain - Siddharth, Sai | Anderssen's Opening | |
| Nov 11, 2025 | Siddharth | ½–½ | Rahman | Round 4: Siddharth, Sai - Rahman, Syed Mahfuzur | Sicilian Defense: Najdorf Variation, English Attack | |
| Nov 2, 2025 | Farkash | 0–1 | Siddharth | Benidorm Chess Open A 2025 | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Nov 1, 2025 | Siddharth | 0–1 | Sanchez Saez | Benidorm Chess Open A 2025 | Modern Defense: Two Knights Variation | |
| Oct 31, 2025 | Siddharth | 1–0 | Mannion | Benidorm Chess Open A 2025 | Ruy Lopez: Closed, Chigorin Defense, Panov System | |
| Oct 30, 2025 | Segarra Victorio | 0–1 | Siddharth | Benidorm Chess Open A 2025 | Sicilian Defense: Closed | |
| Oct 29, 2025 | Draghici Flutur | 0–1 | Siddharth | Benidorm Chess Open A 2025 | Sicilian Defense: French Variation | |
| Oct 26, 2025 | Stachanczyk | 1–0 | Siddharth | Round 1: Stachanczyk, Jacek - Siddharth, Sai | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Jul 9, 2025 | Dayal | 1–0 | Siddharth | 1ST BANGKOK SUMMER INTERNATIONAL CHESS OPEN - Standard | Sicilian Defense: Dragon Variation, Yugoslav Attack, Czerniak Variation | |
| Jul 5, 2025 | Chernyavsky | 0–1 | Siddharth | 1ST BANGKOK SUMMER INTERNATIONAL CHESS OPEN - Blitz | Catalan Opening: Open Defense, Classical Line | |
| Jul 5, 2025 | Siddharth | 0–1 | Buakird | 1ST BANGKOK SUMMER INTERNATIONAL CHESS OPEN - Standard | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Jul 4, 2025 | Siddharth | ½–½ | Batashevs | 1ST BANGKOK SUMMER INTERNATIONAL CHESS OPEN - Standard | Ruy Lopez: Berlin Defense | |
| Aug 1, 2021 | Siddharth | 1–0 | Wimalarathne | World Youth Cup 2021 O10-G18 - Open 10 | Italian Game: Classical Variation, Greco Gambit | |
| Aug 1, 2021 | Siddharth | 1–0 | Luo | World Youth Cup 2021 O10-G18 - Open 10 | Italian Game: Classical Variation, Greco Gambit | |
| Aug 1, 2021 | Siddharth | ½–½ | El Zein | World Youth Cup 2021 O10-G18 - Open 10 | Italian Game: Paris Defense | |
| Aug 1, 2021 | Siddharth | 0–1 | Bhaavan | World Youth Cup 2021 O10-G18 - Open 10 | Petrov's Defense: Stafford Gambit | |
| Aug 1, 2021 | Liu | 1–0 | Siddharth | World Youth Cup 2021 O10-G18 - Open 10 | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Aug 1, 2021 | Palomino Quispe | 1–0 | Siddharth | World Youth Cup 2021 O10-G18 - Open 10 | English Opening: Anglo-Indian Defense | |
| Aug 1, 2021 | Salazar Salinas | 0–1 | Siddharth | World Youth Cup 2021 O10-G18 - Open 10 | King's Indian Defense: Fianchetto Variation, Debrecen Defense | |
| Aug 1, 2021 | Jammalamadaka | 0–1 | Siddharth | World Youth Cup 2021 O10-G18 - Open 10 | King's Indian Defense: Sämisch Variation, Normal Defense | |
| — | Siddharth | ½–½ | Wong | 76th National Championships | Catalan Opening: Closed | |
| — | Chan | ½–½ | Siddharth | 22nd Bangkok Chess Club Open 2025 | King's Indian Defense: Fianchetto Variation, Immediate Fianchetto | |
