| Jan 26, 2026 | Ramnathan | 0–1 | Dhulipalla Bala Chandra Prasad | Festival Caissa – Sceptre Rapid FIDE Rating Chess Tournament | Queen's Indian Defense: Capablanca Variation | |
| Mar 1, 2025 | Ramnathan | 1–0 | Vignesh B | The 2nd Xaverian International FIDE Rating Open Chess Tournament 2025 | English Opening: Anglo-Indian Defense, Queen's Indian Formation | |
| Mar 1, 2025 | Laxman | 1–0 | Ramnathan | The 2nd Xaverian International FIDE Rating Open Chess Tournament 2025 | Bogo-Indian Defense: Exchange Variation | |
| Feb 2, 2025 | Ramnathan | 0–1 | Aarav Menon | Round 1: Ramnathan, Balasubramaniam - Aarav Menon | ? | |
| Jan 28, 2025 | Subhayan Kundu | 1–0 | Ramnathan | Round 9: Subhayan Kundu - Ramnathan, Balasubramaniam | Owen Defense | |
| Mar 30, 2024 | Ramnathan | ½–½ | Nitin | 6th SHAASTRA Rapid FIDE Rated Chess Tournament 2024 - IIT Madras | Zukertort Opening: Kingside Fianchetto | |
| Mar 30, 2024 | Girinath | 1–0 | Ramnathan | 6th SHAASTRA Rapid FIDE Rated Chess Tournament 2024 - Chennai, India | Modern Defense: Standard Defense | |
| Jan 19, 2024 | Nguyen | 1–0 | Ramnathan | 1st Bangalore International Grandmasters Open Chess Tournament-2024 (Category 'A') | Modern Defense: Three Pawns Attack | |
| Oct 26, 2024 | Ramnathan | 0–1 | Saptarshi | Round 9: Ramnathan, Balasubramaniam - Saptarshi, Roy | Queen's Pawn Game: Chigorin Variation | |
| Oct 26, 2024 | Ramnathan | 1–0 | Ahaz E U | Round 6: Ramnathan, Balasubramaniam - Ahaz E U | Zukertort Opening: Kingside Fianchetto | |
| Oct 26, 2024 | Ramnathan | 1–0 | Sasvatha A | Round 7: Ramnathan, Balasubramaniam - Sasvatha A | King's Indian Attack | |
| Oct 26, 2024 | Ramnathan | 0–1 | Venkatesh | Round 9: Ramnathan, Balasubramaniam - Venkatesh, M.R. | King's Indian Attack: Symmetrical Defense | |
| Oct 26, 2024 | Gorli Nyna | 0–1 | Ramnathan | Round 5: Gorli Nyna - Ramnathan, Balasubramaniam | Owen Defense | |
| Oct 26, 2024 | Neelash Saha | 1–0 | Ramnathan | Round 8: Neelash Saha - Ramnathan, Balasubramaniam | Trompowsky Attack: Classical Defense | |
| Oct 25, 2024 | Andalamala Hemal Varshan | 0–1 | Ramnathan | Round 7: Andalamala Hemal Varshan - Ramnathan, Balasubramaniam | Owen Defense | |
| Oct 25, 2024 | Abhishek | ½–½ | Ramnathan | Round 8: Abhishek, Kelkar - Ramnathan, Balasubramaniam | Queen's Indian Accelerated | |
| Oct 24, 2024 | Ramnathan | ½–½ | Lokesh | Round 6: Ramnathan, Balasubramaniam - Lokesh, N. | King's Indian Attack | |
| Oct 23, 2024 | Gorli Nyna | ½–½ | Ramnathan | Round 4: Gorli Nyna - Ramnathan, Balasubramaniam | Owen Defense | |
| Dec 3, 2023 | Kulkarni | 1–0 | Ramnathan | Bijnor Open FIDE Rating Chess Tournament | Pirc Defense | |
| Dec 2, 2023 | Ramnathan | 1–0 | Ayush | Bijnor Open FIDE Rating Chess Tournament | Van't Kruijs Opening | |
| Dec 2, 2023 | Mohammad | ½–½ | Ramnathan | Bijnor Open FIDE Rating Chess Tournament | Modern Defense: Two Knights Variation | |
| Dec 1, 2023 | Ramnathan | 1–0 | Shrey | Bijnor Open FIDE Rating Chess Tournament | Van't Kruijs Opening | |
| Dec 1, 2023 | Prabindra | 0–1 | Ramnathan | Bijnor Open FIDE Rating Chess Tournament | Modern Defense: Two Knights Variation | |
| Nov 30, 2023 | Ramnathan | 1–0 | Ali | Bijnor Open FIDE Rating Chess Tournament | Bogo-Indian Defense: Nimzowitsch Variation | |
| Nov 30, 2023 | Gauransh | 0–1 | Ramnathan | Bijnor Open FIDE Rating Chess Tournament | Queen's Indian Defense: Fianchetto Variation, Traditional Line | |
| Oct 21, 2023 | Augustin | 1–0 | Ramnathan | DKCA All India Open 2023 | Petrov's Defense: Kaufmann Attack | |
| Oct 20, 2023 | Ramnathan | ½–½ | Lokesh | DKCA All India Open 2023 | Nimzo-Larsen Attack: Classical Variation | |
| Oct 20, 2023 | Anilkumar | 0–1 | Ramnathan | DKCA All India Open 2023 | Rapport-Jobava System | |
| Oct 19, 2023 | Ramnathan | 1–0 | Naga Sai Sarthak Karanam | DKCA All India Open 2023 | Nimzo-Larsen Attack: Classical Variation | |
| Oct 18, 2023 | Ramnathan | ½–½ | Muthukumar | DKCA All India Open 2023 | Zukertort Opening: Nimzo-Larsen Variation | |
| Oct 18, 2023 | Jitendra Kashyap L | 0–1 | Ramnathan | DKCA All India Open 2023 | Indian Defense: Przepiorka Variation | |
| Oct 17, 2023 | Ramnathan | 1–0 | Darsha Bhat | DKCA All India Open 2023 | Nimzo-Larsen Attack: Classical Variation | |
| Oct 17, 2023 | Anisha Deona Lobo | 0–1 | Ramnathan | DKCA All India Open 2023 | Modern Defense: Standard Defense | |
| Jun 20, 2022 | Ramnathan | 1–0 | Shanmathi Sree S | 13th Chennai Open | ? | |
| Jun 20, 2022 | Tarun K C | * | Ramnathan | 13th Chennai Open | ? | |
| Jun 19, 2022 | Bakhare Atharva | 1–0 | Ramnathan | 13th Chennai Open | ? | |
| — | Ramnathan | ½–½ | Mithilesh P | Round 3: Ramnathan, Balasubramaniam - Mithilesh P | Queen's Pawn Game: Colle System | |
| — | Ramnathan | 1–0 | Seetasagar Konaparthi | Round 9: Ramnathan, Balasubramaniam - Seetasagar Konaparthi | King's Indian Attack | |
| — | Ramnathan | 1–0 | Pranav Mukunth P | Round 3: Ramnathan, Balasubramaniam - Pranav Mukunth P | Van't Kruijs Opening | |
| — | Ramnathan | 0–1 | Mahesh Kumar K | Round 5: Ramnathan, Balasubramaniam - Mahesh Kumar K | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| — | Sarvani Cheedella | 0–1 | Ramnathan | Round 8: Sarvani Cheedella - Ramnathan, Balasubramaniam | Queen's Indian Accelerated | |
| — | Bharathakoti Sneha | 0–1 | Ramnathan | Round 4: Bharathakoti Sneha - Ramnathan, Balasubramaniam | Caro-Kann Defense: Panov Attack, Modern Defense | |
| — | Potluri Supreetha | 1–0 | Ramnathan | Round 8: Potluri Supreetha - Ramnathan, Balasubramaniam | Queen's Indian Accelerated | |