| Jan 4, 2026 | Om Nagnath Lamkane | 1–0 | Pachwadkar Ansar | Round 9: Om Nagnath Lamkane - Pachwadkar Ansar | Caro-Kann Defense: Two Knights Attack | |
| Jan 4, 2026 | Dhayagude Aarav | ½–½ | Om Nagnath Lamkane | Round 8: Dhayagude Aarav - Om Nagnath Lamkane | Sicilian Defense: Scheveningen Variation, English Attack, with f3 | |
| Jun 20, 2025 | Neelotpal | 1–0 | Om Nagnath Lamkane | Aurionpro International Grandmaster Chess Tournament 2025 | King's Indian Defense | |
| Jun 18, 2025 | Slizhevsky | 1–0 | Om Nagnath Lamkane | Aurionpro International Grandmaster Chess Tournament 2025 | King's Indian Attack: Symmetrical Defense | |
| May 2, 2025 | Mhamane Sourabh | 1–0 | Om Nagnath Lamkane | Round 6: Mhamane Sourabh - Om Nagnath Lamkane | Mexican Defense | |
| Apr 10, 2025 | Ajay Karthikeyan | 1–0 | Om Nagnath Lamkane | Round 1: Ajay Karthikeyan - Om Nagnath Lamkane | King's Indian Defense: Sämisch Variation, Sämisch Gambit | |
| Jan 14, 2025 | Mohamed Anees M | 1–0 | Om Nagnath Lamkane | Late Shri Manohar Parrikar Goa International Open Grand Master Chess Tournament 2025 | Ruy Lopez: Closed, Chigorin Defense | |
| Feb 2, 2025 | Om Nagnath Lamkane | 1–0 | Aditya Dipak Jadhav | Round 1: Om Nagnath Lamkane - Aditya Dipak Jadhav | Ruy Lopez | |
| Feb 2, 2025 | Om Nagnath Lamkane | 1–0 | Sai Vijaysinh Patil | Round 3: Om Nagnath Lamkane - Sai Vijaysinh Patil | French Defense: Two Knights Variation | |
| Feb 2, 2025 | Om Nagnath Lamkane | 1–0 | Ishan Arjun P Y | Round 5: Om Nagnath Lamkane - Ishan Arjun P Y | Sicilian Defense: Kalashnikov Variation | |
| Feb 2, 2025 | Om Nagnath Lamkane | 1–0 | Chavan Aditya | Round 7: Om Nagnath Lamkane - Chavan Aditya | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
| Feb 2, 2025 | Om Nagnath Lamkane | ½–½ | Ayaan Somani | Round 9: Om Nagnath Lamkane - Ayaan Somani | Ruy Lopez: Berlin Defense | |
| Feb 2, 2025 | Shankar Swaraj | 0–1 | Om Nagnath Lamkane | Round 2: Shankar Swaraj - Om Nagnath Lamkane | Sicilian Defense: Chekhover Variation | |
| Feb 2, 2025 | Patil Varad Sayaji | 0–1 | Om Nagnath Lamkane | Round 4: Patil Varad Sayaji - Om Nagnath Lamkane | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Feb 2, 2025 | Jain Kashish Manoj | 1–0 | Om Nagnath Lamkane | Round 6: Jain Kashish Manoj - Om Nagnath Lamkane | Italian Game: Two Knights Defense, Ulvestad Variation | |
| Feb 2, 2025 | Patel Neehal Trishulkumar | 0–1 | Om Nagnath Lamkane | Round 8: Patel Neehal Trishulkumar - Om Nagnath Lamkane | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| May 22, 2024 | Om Nagnath Lamkane | 0–1 | Aakash Sharadchandra | Round 8: Om Nagnath Lamkane - Aakash Sharadchandra, Dalvi | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Apr 3, 2024 | Om Nagnath Lamkane | 0–1 | Swapnil | 43rd Indian National Team Chess Championship 2023-24, Dharmashala | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Oct 27, 2024 | Om Nagnath Lamkane | 1–0 | Aaradhya Jain | Round 9: Om Nagnath Lamkane - Aaradhya Jain | French Defense: Two Knights Variation | |
| Oct 25, 2024 | Om Nagnath Lamkane | 1–0 | Pawar Sohum | Round 5: Om Nagnath Lamkane - Pawar Sohum | Caro-Kann Defense: Tartakower Variation | |
| Oct 25, 2024 | Shreyas | 1–0 | Om Nagnath Lamkane | Round 6: Shreyas - Om Nagnath Lamkane | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Exchange Line | |
| Oct 24, 2024 | Rajith V. | 1–0 | Om Nagnath Lamkane | Round 4: Rajith V. - Om Nagnath Lamkane | Sicilian Defense: Najdorf Variation, Main Line | |
| Dec 24, 2023 | Srihari | 1–0 | Om | VELAMMAL HOSPITAL PRESENTS ATHENS OF THE EAST 3rd GRAND MASTER CHESS TOURNAMENT (Category-A) | Polish Opening: King's Indian Variation, Sokolsky Attack | |
| Aug 26, 2023 | Deepan Chakkravarthy J. | 0–1 | Om Nagnath Lamkane | Indian Championship | ? | |
| Aug 24, 2023 | Venkatesh | * | Om Nagnath Lamkane | Indian Championship | Sicilian Defense: Snyder Variation | |
| Aug 17, 2023 | Srihari L | 1–0 | Om Nagnath Lamkane | Indian Championship | ? | |