| 26 may 2026 | Karthikeyan, P. 2306 | Sethuraman, S.P. 2551 | ½-½ | B30 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack | 17th kiit international chess festival-2026 CAT A | 40 | Ver |
| 22 mar 2026 | Ayush Sharma 2428 | Karthikeyan, P. 2304 | ½-½ | B44 Defensa Siciliana: Taimanov Variation | India National Team Chess Championship 2026 | 45th Open | 47 | Ver |
| 20 mar 2026 | Karthikeyan, P. 2304 | Dinesh Rajan M 2301 | ½-½ | D31 Defensa Semieslava: Marshall Gambit, Main Line | India National Team Chess Championship 2026 | 45th Open | 31 | Ver |
| 19 mar 2026 | Karthikeyan, P. 2304 | Aaditya Dhingra 2405 | 0-1 | A50 Defensa India: Normal Variation | India National Team Chess Championship 2026 | 45th Open | 55 | Ver |
| 17 mar 2026 | Karthikeyan, P. 2304 | Ritabrata Chakraborty 2074 | 1-0 | D07 Gambito de Dama rehusado: Chigorin Defense, Main Line | India National Team Chess Championship 2026 | 45th Open | 44 | Ver |
| 17 mar 2026 | Kumar, Gaurav 2033 | Karthikeyan, P. 2304 | ½-½ | B00 Defensa Nimzowitsch: Franco-Nimzowitsch Variation | India National Team Chess Championship 2026 | 45th Open | 30 | Ver |
| 16 mar 2026 | Visakh N R 2536 | Karthikeyan, P. 2304 | ½-½ | E68 Defensa India de Rey: Fianchetto Variation, Classical Variation | India National Team Chess Championship 2026 | 45th Open | 28 | Ver |
| 13 mar 2026 | Ghosh, Diptayan 2539 | Karthikeyan, P. 2253 | 1-0 | A07 Ataque Indio de Rey: Yugoslav Variation | India National Blitz Chess Championship 2025-26 | 52 | Ver |
| 13 mar 2026 | Hari Madhavan N B 2386 | Karthikeyan, P. 2253 | 1-0 | E11 Defensa Bogoindia: Wade-Smyslov Variation | India National Blitz Chess Championship 2025-26 | 27 | Ver |
| 13 mar 2026 | Karthikeyan, P. 2253 | Sanket Chakravarty 2233 | 1-0 | D35 Gambito de Dama rehusado: Exchange Variation, Positional Variation | India National Blitz Chess Championship 2025-26 | 26 | Ver |
| 30 dic 2025 | Karthikeyan, P. 2285 | Loiseau, Quentin 2378 | ½-½ | E04 Apertura Catalana: Open Defense | Vandoeuvre A et B | 46 | Ver |
| 28 dic 2025 | Mosesov, Danyil 2454 | Karthikeyan, P. 2285 | 1-0 | E43 Defensa Nimzoindia: St. Petersburg Variation | Vandoeuvre A et B | 46 | Ver |
| 23 dic 2025 | Sumets, Andrey 2523 | Karthikeyan, P. 2285 | 1-0 | E11 Defensa Bogoindia: Retreat Variation | Vandoeuvre A et B | 46 | Ver |
| 21 dic 2025 | Sandoval Mercado, Carlos 2409 | Karthikeyan, P. 2285 | 0-1 | A13 Apertura Inglesa: Agincourt Defense | Sunway Sitges 2025 | 45 | Ver |
| 20 dic 2025 | Dai, Changren 2551 | Karthikeyan, P. 2285 | ½-½ | A28 Apertura Inglesa: King's English Variation, Four Knights Variation, Quiet Line | Sunway Sitges 2025 | 57 | Ver |
| 19 dic 2025 | Karthikeyan, P. 2285 | Aradhya, Garg 2412 | ½-½ | C79 Apertura Española (Ruy López): Morphy Defense, Steinitz Deferred | Sunway Sitges 2025 | 19 | Ver |
| 19 dic 2025 | Razafindratsima, Timothe 2485 | Karthikeyan, P. 2285 | 1-0 | A46 Ataque Torre: Classical Defense, Nimzowitsch Variation | Sunway Sitges 2025 | 40 | Ver |