| Mar 29, 2026 | Chatterjee | 1–0 | Kumar | Round 9: Chatterjee, K.K. - Kumar, Piyush | King's Indian Attack: Yugoslav Variation | |
| Mar 28, 2026 | Kumar | ½–½ | Abhrojyoty Nath | Round 8: Kumar, Piyush - Abhrojyoty Nath | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Mar 28, 2026 | Prem Kumar | 0–1 | Kumar | Round 7: Prem Kumar - Kumar, Piyush | Sicilian Defense: Grand Prix Attack | |
| Mar 27, 2026 | Ishant Kumar | ½–½ | Kumar | Round 5: Ishant Kumar - Kumar, Piyush | Sicilian Defense: Old Sicilian | |
| Mar 21, 2026 | Nitin | ½–½ | Kumar | Round 8: Nitin, S. - Kumar, Piyush | Sicilian Defense: Closed, Traditional | |
| Mar 19, 2026 | Kumar | 0–1 | Aronyak Ghosh | Round 5: Kumar, Piyush - Aronyak Ghosh | Caro-Kann Defense: Advance Variation | |
| Feb 26, 2026 | Kesavan G | ½–½ | Kumar | 13th National Amateur Chess Championship 2026-Open 2000 | Indian Defense: Accelerated London System | |
| Jan 17, 2026 | Kishan Kumar | 0–1 | Piyush Kumar | Round 7: Kishan Kumar - Piyush Kumar | Zukertort Opening: Quiet System | |
| Jan 17, 2026 | Piyush Kumar | 1–0 | Achintya Kashyap | Round 6: Piyush Kumar - Achintya Kashyap | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | |
| Jan 16, 2026 | Rupesh B Ramchandra | ½–½ | Piyush Kumar | Round 5: Rupesh B Ramchandra - Piyush Kumar | Sicilian Defense: Classical Variation | |
| Jan 16, 2026 | Piyush Kumar | 1–0 | Arpita Singh | Round 4: Piyush Kumar - Arpita Singh | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Jan 16, 2026 | Nabhi Sinha | 0–1 | Piyush Kumar | Round 3: Nabhi Sinha - Piyush Kumar | Sicilian Defense: Alapin Variation | |
| Jan 15, 2026 | Piyush Kumar | 1–0 | Rishav Raj | Round 2: Piyush Kumar - Rishav Raj | Scandinavian Defense: Classical Variation | |
| Jan 15, 2026 | Anant Shaurya Jha | 0–1 | Piyush Kumar | Round 1: Anant Shaurya Jha - Piyush Kumar | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Jan 13, 2026 | Tejas Shandilya | ½–½ | Piyush Kumar | Round 9: Tejas Shandilya - Piyush Kumar | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Jan 13, 2026 | Piyush Kumar | 1–0 | Md Tabsheer Alam | Round 8: Piyush Kumar - Md Tabsheer Alam | King's Indian Defense: Orthodox Variation | |
| Mar 29, 2025 | Piyush Kumar | ½–½ | Archisman Patra | 12th National Amateur Chess Championship 2025 | French Defense: Winawer Variation, Alekhine Gambit, Kan Variation | |
| Mar 28, 2025 | Piyush Kumar | ½–½ | Rupesh B Ramchandra | 12th National Amateur Chess Championship 2025 | Sicilian Defense: Kan Variation, Modern Variation | |
| Mar 28, 2025 | Ebenezer | ½–½ | Piyush Kumar | 12th National Amateur Chess Championship 2025 | Sicilian Defense: Closed | |
| Mar 6, 2025 | Lakshmi Narayanan M V | 1–0 | Piyush Kumar | National Men Team Championship 2025 | Sicilian Defense: Old Sicilian | |
| Mar 5, 2025 | Sharnarthi Viresh | 1–0 | Piyush Kumar | National Men Team Championship 2025 | King's Indian Attack: Symmetrical Defense | |
| Apr 3, 2024 | Piyush Kumar | 0–1 | Badamundi Tapan | Round 7: Piyush Kumar - Badamundi Tapan | French Defense: Steinitz Variation, Boleslavsky Variation | |
| — | Piyush Kumar | 1–0 | Vairaj Sogerwal | Round 7: Piyush Kumar - Vairaj Sogerwal | Queen's Pawn Game: London System | |
| — | Piyush Kumar | 1–0 | Wankhade Sanskruti | Round 8: Piyush Kumar - Wankhade Sanskruti | Caro-Kann Defense: Advance Variation | |
| — | Rohith Yadav B R | 1–0 | Piyush Kumar | Round 9: Rohith Yadav B R - Piyush Kumar | Caro-Kann Defense: Panov Attack, Fianchetto Defense | |
