| Apr 1, 2026 | Rosh Jain | 0–1 | Vivaan Sachdev | 35th National Under-17 Open Chess Championship 2026 | French Defense: McCutcheon Variation, Lasker Variation | |
| Apr 13, 2025 | Afreed T Khan | 1–0 | Vivaan Sachdev | Round 9: Afreed T Khan - Vivaan Sachdev | Grünfeld Defense: Three Knights Variation, Petrosian System | |
| Apr 12, 2025 | Vivaan Sachdev | 1–0 | Dave | Round 8: Vivaan Sachdev - Dave, Kantilal | Pirc Defense | |
| Apr 12, 2025 | Niranjan J Warrier | ½–½ | Vivaan Sachdev | Round 6: Niranjan J Warrier - Vivaan Sachdev | Grünfeld Defense: Russian Variation, Byrne Variation | |
| Mar 26, 2025 | Vivaan Sachdev | 0–1 | Ayushman Mohanty | 12th National Amateur Chess Championship 2025 | Four Knights Game: Gunsberg Variation | |
| Dec 22, 2024 | Hamdan Edrees | 0–1 | Vivaan Sachdev | Round 9: Hamdan Edrees, Alhamed - Vivaan Sachdev | Sicilian Defense: Kan Variation, Wing Attack | |
| Dec 21, 2024 | Al Namas | 1–0 | Vivaan Sachdev | Round 8: Al Namas, Kanan - Vivaan Sachdev | Sicilian Defense: Closed, Korchnoi Defense | |
| Dec 20, 2024 | Vivaan Sachdev | ½–½ | Kalikhan | Round 7: Vivaan Sachdev - Kalikhan, Abilmansur | Caro-Kann Defense: Tartakower Variation | |
| Dec 19, 2024 | Chekanov | 1–0 | Vivaan Sachdev | Round 6: Chekanov, Timur - Vivaan Sachdev | Grünfeld Defense: Exchange Variation, Seville Variation | |
| Dec 18, 2024 | Vivaan Sachdev | 0–1 | Manuwaruna | Round 5: Vivaan Sachdev - Manuwaruna, Sethun Neththaru | Lion Defense: Bayonet Attack | |
| Dec 18, 2024 | Khalifah | 0–1 | Vivaan Sachdev | Round 4: Khalifah, Khaled - Vivaan Sachdev | Grünfeld Defense: Exchange Variation | |
| Dec 17, 2024 | Vivaan Sachdev | 1–0 | Sendi | Round 3: Vivaan Sachdev - Sendi, David V | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Dec 16, 2024 | Al Mamari | ½–½ | Vivaan Sachdev | Round 2: Al Mamari, Said Ahmed - Vivaan Sachdev | French Defense: Schlechter Variation | |
| Dec 16, 2024 | Vivaan Sachdev | 0–1 | Fernandez | Round 1: Vivaan Sachdev - Fernandez, Dandel | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Dec 15, 2024 | Vivaan Sachdev | 1–0 | Atharv Bansal | Round 7: Vivaan Sachdev - Atharv Bansal | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Dec 15, 2024 | Khalifah | 1–0 | Vivaan Sachdev | Round 6: Khalifah, Khaled - Vivaan Sachdev | Grünfeld Defense: Exchange Variation | |
| Dec 15, 2024 | Vivaan Sachdev | 1–0 | AbuAzizah | Round 4: Vivaan Sachdev - AbuAzizah, Raji | Sicilian Defense: Alapin Variation | |
| Dec 15, 2024 | Vivaan Sachdev | 1–0 | Amirgali | Round 1: Vivaan Sachdev - Amirgali, Nurali | Caro-Kann Defense: Classical Variation, Flohr Variation | |
| Dec 15, 2024 | Raj Aryan | 0–1 | Vivaan Sachdev | Round 2: Raj Aryan - Vivaan Sachdev | Trompowsky Attack | |
| Dec 15, 2024 | Vivaan Sachdev | 0–1 | Ahmad | Round 5: Vivaan Sachdev - Ahmad, Al Romaithi | Sicilian Defense: Alapin Variation | |
| Dec 15, 2024 | Bigabylov | 0–1 | Vivaan Sachdev | Round 3: Bigabylov, Zhuban - Vivaan Sachdev | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Sep 14, 2024 | Niranjan J Warrier | ½–½ | Vivaan Sachdev | Round 6: Niranjan J Warrier - Vivaan Sachdev | Sicilian Defense: French Variation | |
| May 11, 2024 | Prashanth J Naik | 1–0 | Vivaan Sachdev | Round 6: Prashanth J Naik - Vivaan Sachdev | Rapport-Jobava System | |
| May 11, 2024 | Vivaan Sachdev | ½–½ | Raveesh Kote | Round 5: Vivaan Sachdev - Raveesh Kote | Sicilian Defense: Alapin Variation, Barmen Defense | |
| May 11, 2024 | Vivaan Sachdev | 1–0 | Augustin | Round 4: Vivaan Sachdev - Augustin, A | Pirc Defense | |
| Jan 19, 2024 | Samyak | 1–0 | Vivaan | 1st Bangalore International Grandmasters Open Chess Tournament-2024 (Category 'B') | French Defense: Two Knights Variation | |
| Nov 4, 2024 | Vivaan Sachdev | ½–½ | Szalko | Round 9: Vivaan Sachdev - Szalko, Maciej | Alekhine Defense: Four Pawns Attack | |
| Nov 3, 2024 | Exposito Perez | ½–½ | Vivaan Sachdev | Round 8: Exposito Perez, Luis - Vivaan Sachdev | Torre Attack: Fianchetto Defense | |
| Nov 2, 2024 | Checiak | 0–1 | Vivaan Sachdev | Round 7: Checiak, Krzysztof - Vivaan Sachdev | Sicilian Defense: Bowdler Attack | |
| Nov 1, 2024 | Tqavadze | 0–1 | Vivaan Sachdev | Round 6: Tqavadze, Giorgi - Vivaan Sachdev | ? | |
| Oct 31, 2024 | Vivaan Sachdev | 0–1 | Amgalanbaatar | Round 5: Vivaan Sachdev - Amgalanbaatar, Ravdanlkhumbuu | French Defense: Winawer Variation | |
| Dec 27, 2023 | Bala | 1–0 | Vivaan | VELAMMAL HOSPITAL PRESENTS ATHENS OF THE EAST 3rd GRAND MASTER CHESS TOURNAMENT (Category-C) | French Defense: Schlechter Variation | |
| — | Vivaan Sachdev | ½–½ | Zuo | Round 6: Vivaan Sachdev - Zuo, Junyu | Sicilian Defense: Alapin Variation | |
| — | Vivaan Sachdev | 1–0 | Zhumabek | Round 8: Vivaan Sachdev - Zhumabek, Nurasyl | Modern Defense: Standard Defense | |
| — | Vivaan Sachdev | 1–0 | Liang | Round 4: Vivaan Sachdev - Liang, Xiyuan | Sicilian Defense: Alapin Variation, Barmen Defense | |
| — | Vivaan Sachdev | 1–0 | Markin | Round 6: Vivaan Sachdev - Markin, Artemiy V. | Italian Game: Classical Variation | |
| — | Vivaan Sachdev | 1–0 | Ranjith | Round 7: Vivaan Sachdev - Ranjith, R.k. | Sicilian Defense: Alapin Variation, Barmen Defense, Modern Line | |
| — | Vivaan Sachdev | 0–1 | Tian | Round 9: Vivaan Sachdev - Tian, Yuxiang | Sicilian Defense: Alapin Variation | |
| — | Vivaan Sachdev | 1–0 | Li | Asian Amateur Chess Competition 2025 | Sicilian Defense: Moscow Variation | |
| — | Vivaan Sachdev | 1–0 | Carzano | Round 4: Vivaan Sachdev - Carzano, Johnny Wellem | Sicilian Defense: Hyperaccelerated Dragon | |
| — | Vivaan Sachdev | ½–½ | Xu | Round 6: Vivaan Sachdev - Xu, Yiming | Sicilian Defense: Old Sicilian | |
| — | Vivaan Sachdev | 0–1 | Aton | Asian Amateur Chess Competition 2025 | Sicilian Defense: Alapin Variation | |
| — | Xu | 1–0 | Vivaan Sachdev | Round 7: Xu, Pengmo - Vivaan Sachdev | Grünfeld Defense: Stockholm Variation | |
| — | Bernardino | ½–½ | Vivaan Sachdev | Round 9: Bernardino, Almario Marlon Jr. - Vivaan Sachdev | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| — | Feng | 0–1 | Vivaan Sachdev | Round 3: Feng, Kuixiu - Vivaan Sachdev | French Defense: Exchange Variation | |
| — | Borisova | 1–0 | Vivaan Sachdev | Round 5: Borisova, Ekaterina - Vivaan Sachdev | Grünfeld Defense: Makogonov Variation | |
| — | Daluz | 1–0 | Vivaan Sachdev | Round 8: Daluz, Christian Mark - Vivaan Sachdev | Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation | |
| — | Karamihan | 0–1 | Vivaan Sachdev | Asian Amateur Chess Competition 2025 | French Defense: Exchange Variation | |
| — | Siridanupath | 1–0 | Vivaan Sachdev | Asian Amateur Chess Competition 2025 | French Defense: Tarrasch Variation, Closed Variation, Main Line | |
| — | Bernardino | 0–1 | Vivaan Sachdev | Round 5: Bernardino, Almario Marlon Jr. - Vivaan Sachdev | Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation | |
| — | Zhumabek | 1–0 | Vivaan Sachdev | Asian Amateur Chess Competition 2025 | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| — | Tong | 1–0 | Vivaan Sachdev | Asian Amateur Chess Competition 2025 | French Defense: Schlechter Variation | |