| Mar 1, 2026 | Suvara | 0–1 | Niharika Challa | Round 5: Suvara, Filip - Niharika Challa | Sicilian Defense: Najdorf Variation | |
| Mar 1, 2026 | Niharika Challa | 0–1 | Adamovic | Round 4: Niharika Challa - Adamovic, Nikola | French Defense: Rubinstein Variation, Blackburne Defense | |
| Feb 28, 2026 | Stankovic | 0–1 | Niharika Challa | Round 3: Stankovic, Andrej A - Niharika Challa | Rapport-Jobava System | |
| Feb 28, 2026 | Dragojlovic | 1–0 | Niharika Challa | Round 2: Dragojlovic, Andjelko - Niharika Challa | Sicilian Defense: Chekhover Variation | |
| Feb 27, 2026 | Niharika Challa | * | Pletel | Round 1: Niharika Challa - Pletel, Nina | ? | |
| Mar 11, 2025 | Shanmathi Sree S | 1–0 | Niharika Challa | National Women Team Championship 2025 | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Mar 10, 2025 | Aishwarya N | 0–1 | Niharika Challa | National Women Team Championship 2025 | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Mar 9, 2025 | Niharika Challa | ½–½ | Mohota | National Women Team Championship 2025 | Alekhine Defense: Exchange Variation | |
| Mar 8, 2025 | Teesha Byadwal | 0–1 | Niharika Challa | National Women Team Championship 2025 | Nimzo-Indian Defense: Reshevsky Variation | |
| Mar 6, 2025 | Niharika Challa | 0–1 | Gawande Devanshi | National Women Team Championship 2025 | Sicilian Defense: Dragon Variation | |
| Mar 5, 2025 | Niharika Challa | 1–0 | Kamakshee Joshi | National Women Team Championship 2025 | Sicilian Defense: Najdorf Variation, Traditional Line | |
| Aug 19, 2024 | Niharika Challa | ½–½ | Bione | Round 4: Niharika Challa - Bione, Alessandro | Caro-Kann Defense: Classical Variation, Spassky Variation | |
| Aug 17, 2024 | Gasperi | 0–1 | Niharika Challa | Round 1: Gasperi, Fosco - Niharika Challa | Queen's Indian Defense: Miles Variation | |
| Aug 17, 2024 | Niharika Challa | ½–½ | Niederstaetter | Round 2: Niharika Challa - Niederstaetter, Harald | Caro-Kann Defense: Main Line | |
| Aug 17, 2024 | Niharika Challa | 1–0 | Zavattero | Round 6: Niharika Challa - Zavattero, Andrea | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | |
| Aug 17, 2024 | Petrilli | 0–1 | Niharika Challa | Round 7: Petrilli, Leonardo - Niharika Challa | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jul 7, 2024 | Kshatriya Nitin Vekhande | * | Niharika Challa | Round 4: Kshatriya Nitin Vekhande - Niharika Challa | ? | |
| Sep 9, 2024 | Niharika Challa | 1–0 | Rivero Tacoronte | Round 9: Niharika Challa - Rivero Tacoronte, Gabriel | Caro-Kann Defense: Tartakower Variation | |
| Sep 7, 2024 | Niharika Challa | 0–1 | Perez Garcia | Round 7: Niharika Challa - Perez Garcia, Rodney Oscar | Petrov's Defense: Three Knights Game | |
| Sep 4, 2024 | Rakotomaharo | 1–0 | Niharika Challa | Round 4: Rakotomaharo, Fy Antenaina - Niharika Challa | Sicilian Defense: Taimanov Variation | |
| Sep 3, 2024 | Niharika Challa | 0–1 | Koelle | Round 2: Niharika Challa - Koelle, Tobias | ? | |
| Jul 11, 2023 | Bucor | 1–0 | Daniska | Piestany B | Vienna Game: Vienna Gambit | |
| Jan 6, 2023 | Galiano Martinez | 1–0 | Niharika Challa | Roquetas Open | ? | |
| Jan 5, 2023 | Arvind Ramnath Iyer | * | Niharika Challa | Roquetas Open | ? | |
| Jan 4, 2023 | Niharika Challa | 0–1 | Vergara Anton | Roquetas Open | ? | |
| Jan 3, 2023 | Nigmatov | 0–1 | Niharika Challa | Roquetas Open | ? | |
| Jul 17, 2023 | Bielik Jakub | 1–0 | Niharika Challa | Open A | Sicilian Defense: Grand Prix Attack | |
| Jul 16, 2023 | Sharon Rafael | 1–0 | Niharika Challa | Open A | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jul 15, 2023 | Niharika Challa | 0–1 | Nagarkatte Vedant | Open A | Sicilian Defense: Scheveningen Variation, English Attack, with f3 | |
| Jul 14, 2023 | Sosovickova Jana | 0–1 | Niharika Challa | Open A | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Jul 13, 2023 | Niharika Challa | 0–1 | Rakesh Kumar Jena | Open A | Modern Defense: Standard Defense | |
| Jul 12, 2023 | Rudzinska Michalina | 1–0 | Niharika Challa | Open A | Sicilian Defense: Najdorf Variation, Zagreb Variation | |
| Jul 11, 2023 | Niharika Challa | 0–1 | Bochnicka Vladimir | Open A | Sicilian Defense: Kalashnikov Variation | |
| Dec 26, 2022 | Niharika Challa | 0–1 | Pedagandham Saketh | Round 5: Niharika Challa - Pedagandham Saketh | Sicilian Defense: Dragon Variation | |
| — | Niharika Challa | 0–1 | Ribera Veganzones | Round 3: Niharika Challa - Ribera Veganzones, Josep Maria | Sicilian Defense: Najdorf Variation | |
| — | Niharika Challa | 0–1 | Birkisson | Round 6: Niharika Challa - Birkisson, Bjorn Holm | Sicilian Defense: Kalashnikov Variation | |
| — | Niharika Challa | 0–1 | Pandey Srishti | Round 8: Niharika Challa - Pandey Srishti | Scotch Game: Schmidt Variation | |
| — | Botta | 1–0 | Niharika Challa | Round 1: Botta, Massimiliano - Niharika Challa | Queen's Indian Defense: Fianchetto Variation, Kramnik Variation | |
| — | Cichon | 0–1 | Niharika Challa | Round 2: Cichon, Bartlomiej - Niharika Challa | Sicilian Defense: Najdorf Variation, Adams Attack | |
| — | Hercegovac | 1–0 | Niharika Challa | Round 5: Hercegovac, Neven - Niharika Challa | Sicilian Defense: Closed | |
| — | Capaliku | 0–1 | Niharika Challa | Round 7: Capaliku, Aleks - Niharika Challa | Indian Defense | |
| — | Athvik M | 1–0 | Niharika Challa | Round 9: Athvik M - Niharika Challa | King's Pawn Game | |
| — | Tavoletti | ½–½ | Niharika Challa | Round 3: Tavoletti, Cosimo Damiano - Niharika Challa | Sicilian Defense: Delayed Alapin Variation, with d6 | |