| Apr 5, 2026 | Girsh | 1–0 | Nandhakumar | The Atlantic City Open | Sicilian Defense: French Variation, Normal | |
| Apr 1, 2026 | Harsha Bharathakoti | ½–½ | Nandhakumar | Round 1: Harsha Bharathakoti - Nandhakumar, Vaseegaran | Zukertort Opening: Nimzo-Larsen Variation | |
| Feb 16, 2026 | Nandhakumar | 1–0 | Lee | 17th Annual Southwest Class Tournament | Réti Opening: Anglo-Slav Variation, with g3 | |
| Feb 16, 2026 | Na Polisetti | ½–½ | Nandhakumar | 17th Annual Southwest Class Tournament | Ruy Lopez: Open Berlin Defense, l'Hermet Variation | |
| Feb 15, 2026 | Nandhakumar | ½–½ | Gurumoorthi | 17th Annual Southwest Class Tournament | Zukertort Opening: Nimzo-Larsen Variation | |
| Feb 15, 2026 | Wang | ½–½ | Nandhakumar | 17th Annual Southwest Class Tournament | Sicilian Defense: Boleslavsky Variation | |
| Feb 14, 2026 | Nandhakumar | ½–½ | Li | 17th Annual Southwest Class Tournament | Hungarian Opening | |
| Feb 14, 2026 | Leano | ½–½ | Nandhakumar | 17th Annual Southwest Class Tournament | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | |
| Feb 14, 2026 | Nandhakumar | 0–1 | Jing | 17th Annual Southwest Class Tournament | King's Indian Attack: Symmetrical Defense | |
| Feb 13, 2026 | Kumar | 0–1 | Nandhakumar | 17th Annual Southwest Class Tournament | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Feb 13, 2026 | Nandhakumar | 0–1 | Escalante | 17th Annual Southwest Class Tournament | English Opening: King's English Variation, Reversed Closed Sicilian | |
| Jun 4, 2024 | Mirzoev | 1–0 | Nandhakumar | Round 9: Mirzoev, Azer - Nandhakumar, Vaseegaran | Indian Defense: Przepiorka Variation | |
| Jun 4, 2024 | Nandhakumar | 0–1 | Wan | Round 8: Nandhakumar, Vaseegaran - Wan, Joseph | Queen's Pawn Game: Accelerated London System | |
| Jun 3, 2024 | Yanayt | 1–0 | Nandhakumar | Round 7: Yanayt, Eugene - Nandhakumar, Vaseegaran | English Opening: Anglo-Indian Defense, Anti-Anti-Grünfeld | |
| Jun 3, 2024 | Nandhakumar | 1–0 | Aadit Bhatia | Round 6: Nandhakumar, Vaseegaran - Aadit Bhatia | Van Geet Opening: Reversed Scandinavian | |
| Jun 2, 2024 | Plat | 1–0 | Nandhakumar | Round 5: Plat, Vojtech - Nandhakumar, Vaseegaran | Scandinavian Defense: Modern Variation | |
| Jun 2, 2024 | Nandhakumar | 0–1 | Li | Round 4: Nandhakumar, Vaseegaran - Li, Rachael | Rapport-Jobava System | |
| Jun 1, 2024 | Nandhakumar | 0–1 | Zuluaga Mancilla | Round 3: Nandhakumar, Vaseegaran - Zuluaga Mancilla, Cesar | Nimzo-Larsen Attack: Classical Variation | |
| Jun 1, 2024 | Talwalkar | 0–1 | Nandhakumar | Round 2: Talwalkar, Vedant - Nandhakumar, Vaseegaran | Alekhine Defense: Modern Variation, Larsen Variation | |
| Jun 1, 2024 | Nandhakumar | 0–1 | Pancevski | Round 1: Nandhakumar, Vaseegaran - Pancevski, Filip | King's Indian Attack: Symmetrical Defense | |
| Mar 31, 2024 | Nandhakumar | 0–1 | Jiang | Round 9: Nandhakumar, Vaseegaran - Jiang, Andrew | King's Gambit Accepted: Abbazia Defense | |
| Mar 31, 2024 | Tang | 0–1 | Nandhakumar | Round 8: Tang, Benjamin - Nandhakumar, Vaseegaran | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Mar 30, 2024 | Nandhakumar | ½–½ | Lima | Round 7: Nandhakumar, Vaseegaran - Lima, Darcy | King's Indian Attack: Symmetrical Defense | |
| Mar 30, 2024 | Bregadze | ½–½ | Nandhakumar | Round 6: Bregadze, Levan - Nandhakumar, Vaseegaran | Grünfeld Defense: Three Knights Variation, Petrosian System | |
| Mar 29, 2024 | Nandhakumar | 1–0 | Castillo Coca | Round 5: Nandhakumar, Vaseegaran - Castillo Coca, Mairebis | Queen's Pawn Game | |
| Mar 29, 2024 | Narayanan | ½–½ | Nandhakumar | Round 4: Narayanan, Samrug - Nandhakumar, Vaseegaran | Sicilian Defense: Hyperaccelerated Dragon | |
| Mar 28, 2024 | Nandhakumar | ½–½ | Becerra Rivero | Round 3: Nandhakumar, Vaseegaran - Becerra Rivero, Julio | Zukertort Opening: Kingside Fianchetto | |
| Mar 28, 2024 | Diaz Charpentier | 0–1 | Nandhakumar | Round 2: Diaz Charpentier, Kristel Meliss - Nandhakumar, Vaseegaran | King's Indian Defense: Petrosian Variation, Normal Defense | |
| Mar 27, 2024 | Chirilov | 0–1 | Nandhakumar | Round 1: Chirilov, James A - Nandhakumar, Vaseegaran | French Defense: Classical Variation, Burn Variation, Morozevich Line | |
| Jul 5, 2024 | Perez Gormaz | 1–0 | Nandhakumar | 52nd Annual World Open | Sicilian Defense: Kramnik Variation | |
| May 28, 2024 | Nandhakumar | ½–½ | Wang | 2024 AGCA IM Invitational Spring Edition | King's Indian Attack | |
| May 28, 2024 | Yu | 1–0 | Nandhakumar | 2024 AGCA IM Invitational Spring Edition | English Defense | |
| May 27, 2024 | Nandhakumar | 1–0 | Lee | 2024 AGCA IM Invitational Spring Edition | Rapport-Jobava System | |
| May 27, 2024 | Oberoi | 1–0 | Nandhakumar | 2024 AGCA IM Invitational Spring Edition | Caro-Kann Defense: Exchange Variation | |
| May 26, 2024 | Nandhakumar | ½–½ | Iinuma | 2024 AGCA IM Invitational Spring Edition | Réti Opening: Anglo-Slav Variation, New York System | |
| May 26, 2024 | Wongso | 1–0 | Nandhakumar | 2024 AGCA IM Invitational Spring Edition | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| May 25, 2024 | Nandhakumar | 0–1 | Kambrath | 2024 AGCA IM Invitational Spring Edition | King's Indian Attack: Symmetrical Defense | |
| May 25, 2024 | Almeida Saenz | 1–0 | Nandhakumar | 2024 AGCA IM Invitational Spring Edition | Trompowsky Attack | |
| May 25, 2024 | Rajmohan | 1–0 | Nandhakumar | 2024 AGCA IM Invitational Spring Edition | Trompowsky Attack: Classical Defense, Big Center Variation | |
