| Jun 26, 2026 | Ten Dam | 1–0 | Arun | Round 11: Ten Dam, Bram - Arun, Nitish | Vienna Game: Mieses Variation | |
| Jun 25, 2026 | Jayasooriya | 0–1 | Arun | Round 10: Jayasooriya, Ruvin Sandharu - Arun, Nitish | Catalan Opening: Closed | |
| Jun 24, 2026 | Arun | 1–0 | Ji | Round 9: Arun, Nitish - Ji, Jiabao Eivind | Queen's Gambit Accepted: Classical Defense, Steinitz Variation, Development Variation | |
| Jun 23, 2026 | Ritzerveld | 1–0 | Arun | Round 8: Ritzerveld, Noah - Arun, Nitish | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Jun 22, 2026 | Arun | ½–½ | Romanko | Round 7: Arun, Nitish - Romanko, Rodion | Grünfeld Defense: Exchange Variation | |
| Jun 20, 2026 | Badole Shaunak | ½–½ | Arun | Round 6: Badole Shaunak - Arun, Nitish | Nimzo-Larsen Attack: Modern Variation | |
| Jun 19, 2026 | Arun | ½–½ | Abdsattar | Round 5: Arun, Nitish - Abdsattar, Alisher | Queen's Gambit Declined: Three Knights Variation | |
| Jun 18, 2026 | Hallmundarson | 0–1 | Arun | Round 4: Hallmundarson, Birkir - Arun, Nitish | Queen's Gambit Declined: Westphalian Variation | |
| Jun 17, 2026 | Arun | ½–½ | Berdashkevich | Round 3: Arun, Nitish - Berdashkevich, Makar | Nimzo-Indian Defense: Normal Variation | |
| Jun 16, 2026 | Ejsymont | ½–½ | Arun | Round 2: Ejsymont, Eryk - Arun, Nitish | Ruy Lopez: Morphy Defense, Cozio Defense | |
| Jun 15, 2026 | Arun | 1–0 | Naimov | Round 1: Arun, Nitish - Naimov, David | King's Indian Defense: Fianchetto Variation, Carlsbad Variation | |
| Apr 26, 2026 | O`cuilleanain | 1–0 | Arun | Round 5: O`cuilleanain, Oisin - Arun, Nitish | Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation | |
| Apr 26, 2026 | Arun | 1–0 | Bartczak | Round 4: Arun, Nitish - Bartczak, Korneliusz | Nimzo-Indian Defense: Classical Variation | |
| Apr 2, 2026 | Arun | 0–1 | Vetokhin | X Open Semana Santa 2026 - Grupo A | Nimzo-Indian Defense: Classical Variation, Berlin Variation, Pirc Variation | |
| Dec 20, 2025 | Rogulj | 0–1 | Arun | Crikvenica open | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Dec 19, 2025 | Arun | 1–0 | Novak | Crikvenica open | Queen's Gambit Declined: Austrian Defense | |
| Dec 18, 2025 | Nitin | 1–0 | Arun | Crikvenica open | Sicilian Defense: Dragon Variation, Yugoslav Attack, Panov Variation | |
| Dec 17, 2025 | Arun | ½–½ | Sundac | Crikvenica open | Semi-Slav Defense: Normal Variation | |
| Dec 16, 2025 | Grgurevic | 0–1 | Arun | Crikvenica open | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | |
| Dec 15, 2025 | Arun | ½–½ | Boggarapu | Crikvenica open | Semi-Slav Defense: Normal Variation | |
| Dec 14, 2025 | Bogdanov | 1–0 | Arun | Crikvenica open | Sicilian Defense: Keres Variation | |
| Dec 13, 2025 | Arun | 1–0 | Mihic | Crikvenica open | King's Indian Defense: Fianchetto Variation, Long Variation | |
| Dec 12, 2025 | Juranovic | ½–½ | Arun | Crikvenica open | Queen's Indian Defense: Miles Variation | |
| Oct 31, 2025 | Turner | ½–½ | Arun | ECF Coventry International 2025 | Queen's Indian Defense: Fianchetto Variation, Check Variation, Intermezzo Line | |
| Oct 30, 2025 | Arun | ½–½ | Balaji | ECF Coventry International 2025 | Queen's Gambit Declined: Anti-Tartakower Variation, Petrosian Variation | |
| Oct 30, 2025 | Verma | ½–½ | Arun | ECF Coventry International 2025 | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | |
| Oct 29, 2025 | Arun | 1–0 | Brett | ECF Coventry International 2025 | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Oct 28, 2025 | Mirzoeva | 1–0 | Arun | ECF Coventry International 2025 | English Opening: Symmetrical Variation, Hedgehog Defense | |
| Oct 27, 2025 | Arun | 0–1 | Wadsworth | ECF Coventry International 2025 | Nimzo-Indian Defense: St. Petersburg Variation | |
| Oct 27, 2025 | Wang | 0–1 | Arun | ECF Coventry International 2025 | English Opening | |
| Oct 26, 2025 | Arun | 1–0 | Hindol Ghosh | ECF Coventry International 2025 | Benko Gambit Accepted: Modern Variation | |
| Oct 26, 2025 | Ranasinghe | ½–½ | Arun | ECF Coventry International 2025 | Indian Defense: London System | |
| Jul 13, 2025 | Arun | ½–½ | Ridge | Round 9: Arun, Nitish - Ridge, Benjamin | Dutch Defense: Classical Variation, Huisl Variation | |
| Jul 12, 2025 | Thompson | ½–½ | Arun | Round 8: Thompson, Connor - Arun, Nitish | Sicilian Defense: Alapin Variation | |
| Jul 11, 2025 | Arun | 0–1 | Dunnington | Round 7: Arun, Nitish - Dunnington, Angus J | Queen's Pawn Game: Modern Defense | |
| Jul 10, 2025 | McNaught | ½–½ | Arun | Round 6: McNaught, Jordan J - Arun, Nitish | Indian Defense: Anti-Nimzo-Indian | |
| Jul 10, 2025 | Arun | ½–½ | Carroll | Round 5: Arun, Nitish - Carroll, Peter | Nimzo-Indian Defense: Classical Variation | |
| Jul 9, 2025 | Vijayakumar | ½–½ | Arun | Round 4: Vijayakumar, Rishi - Arun, Nitish | Queen's Indian Defense: Riumin Variation | |
| Jul 8, 2025 | Arun | 1–0 | Gera | Round 3: Arun, Nitish - Gera, Marvin | Nimzo-Indian Defense: Classical Variation, Berlin Variation | |
| Jul 8, 2025 | Roger | ½–½ | Arun | Round 2: Roger, Michael - Arun, Nitish | Caro-Kann Defense: Tartakower Variation | |
| Jul 7, 2025 | Arun | 1–0 | Matthew | Round 1: Arun, Nitish - Matthew, Ian G | Queen's Gambit Declined: Chigorin Defense, Modern Gambit | |
| Jun 16, 2025 | Omorjan | 1–0 | Arun | 37th International Chess Tournament Open Pula 2025 | Queen's Indian Defense: Fianchetto Variation, Kramnik Variation | |
| Apr 10, 2025 | Arun | 0–1 | Williams | Reykjavik Open 2025 | Dutch Defense: Classical Variation | |
| Apr 10, 2025 | Wartiovaara | 0–1 | Arun | Reykjavik Open 2025 | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Mar 23, 2025 | Arun | 1–0 | Wainwright | Round 5: Arun, Nitish - Wainwright, Charlie | Slav Defense: Czech Variation, Classical System | |
| Mar 22, 2025 | Hermannsson | 0–1 | Arun | Round 3: Hermannsson, Sigurbjorn - Arun, Nitish | Queen's Gambit Declined: Three Knights Variation | |
| Mar 22, 2025 | Berezovsky | 0–1 | Arun | Round 4: Berezovsky, Fiorina - Arun, Nitish | Nimzo-Indian Defense: Three Knights Variation | |
| Mar 21, 2025 | Arun | ½–½ | Patel | Round 2: Arun, Nitish - Patel, Keatan | King's Indian Defense: Fianchetto Variation, Immediate Fianchetto | |
| Mar 21, 2025 | Rajandu | ½–½ | Arun | Round 1: Rajandu, Aaron - Arun, Nitish | Indian Defense | |
| Feb 2, 2025 | Arun | ½–½ | Nikiforov | The Sligo Tournament 2025 - Masters | Benoni Defense: Old Benoni | |
| Feb 2, 2025 | Arun | ½–½ | Gajcin | The Sligo Tournament 2025 - Masters | Grünfeld Defense: Exchange Variation | |
| Feb 1, 2025 | Arun | ½–½ | ORourke | The Sligo Tournament 2025 - Masters | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Feb 1, 2025 | Jagic | ½–½ | Arun | The Sligo Tournament 2025 - Masters | Caro-Kann Defense: Exchange Variation | |
| Jan 31, 2025 | Van den Bosse | 1–0 | Arun | The Sligo Tournament 2025 - Masters | Nimzo-Indian Defense: Sämisch Variation | |
| Aug 22, 2024 | Arun | 0–1 | Katsanis | EYCC 2024 - O14 | Queen's Gambit Declined: Janowski Variation | |
| Jul 25, 2024 | Rami | 1–0 | Arun | Round 5: Rami,Talab - Arun, Nitish | Zukertort Opening: Reversed Grünfeld | |
| Jul 24, 2024 | Arun | ½–½ | Zhang | Round 4: Arun, Nitish - Zhang, Junyi | Nimzo-Indian Defense: Classical Variation | |
| Jul 24, 2024 | Zhao | 1–0 | Arun | Round 3: Zhao, George - Arun, Nitish | Queen's Pawn Game: Zukertort Variation | |
| Jul 23, 2024 | Arun | 1–0 | Railwani | Round 2: Arun, Nitish - Railwani, Tavish | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Jul 7, 2024 | Arun | 1–0 | Sarwar | Round 1: Arun, Nitish - Sarwar, Adam | Benoni Defense: Modern Variation | |
| Jun 7, 2024 | Dogan | 1–0 | Arun | Round 9: Dogan, Umut Anil - Arun, Nitish | Catalan Opening: Closed Variation, Traditional Variation | |
| Jun 6, 2024 | Arun | 1–0 | Komarek | Round 8: Arun, Nitish - Komarek, Tobias | Grünfeld Defense: Three Knights Variation, Burille Variation | |
| Jun 5, 2024 | Bartczak | 0–1 | Arun | Round 7: Bartczak, Korneliusz - Arun, Nitish | Italian Game: Scotch Gambit, Anderssen Attack | |
| Jun 4, 2024 | Arun | 1–0 | Golebiowski | Round 6: Arun, Nitish - Golebiowski, Jakub | Tarrasch Defense: Symmetrical Variation | |
| Jun 3, 2024 | Zhu | 1–0 | Arun | Round 5: Zhu, Pengxiao - Arun, Nitish | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jun 3, 2024 | Arun | 1–0 | Ward | Round 4: Arun, Nitish - Ward, Cian | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Jun 2, 2024 | Yu | 1–0 | Arun | Round 3: Yu, Rock - Arun, Nitish | Ponziani Opening: Steinitz Variation | |
| Jun 1, 2024 | Arun | ½–½ | Celik | Round 2: Arun, Nitish - Celik, Ali Alper | Slav Defense | |
| May 31, 2024 | Taradajko | 0–1 | Arun | Round 1: Taradajko, Seweryn - Arun, Nitish | Horwitz Defense | |
| Apr 1, 2024 | Arun | 1–0 | Anna Nikitina | Round 5: Arun, Nitish - Anna Nikitina | Queen's Gambit Accepted | |
| Mar 31, 2024 | Roessling | 0–1 | Arun | Round 4: Roessling, Laura Marie - Arun, Nitish | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Mar 30, 2024 | Yastrebov | 1–0 | Arun | Round 3: Yastrebov, Andrey - Arun, Nitish | English Opening: Agincourt Defense, Catalan Defense, Semi-Slav Defense | |
| Mar 30, 2024 | Arun | 1–0 | Samorukov | Round 2: Arun, Nitish - Samorukov, Boris | Slav Defense | |
| Mar 30, 2024 | Arun | 1–0 | Rastogi | Round 1: Arun, Nitish - Rastogi, Nayan Keats | Nimzo-Indian Defense: Classical Variation | |
| Mar 16, 2024 | Arun | ½–½ | Saine | Reykjavik Open 2024 | Tarrasch Defense | |
| — | Arun | ½–½ | Solano Trillos | Round 2: Arun, Nitish - Solano Trillos, Thaliana | Nimzo-Indian Defense: Classical Variation, Berlin Variation, Pirc Variation | |
| — | Arun | 1–0 | Ning | Round 5: Arun, Nitish - Ning, Isabelle Yixuan | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| — | Arun | 1–0 | Gutierrez Torres | Round 7: Arun, Nitish - Gutierrez Torres, Samuel David | Nimzo-Indian Defense: Rubinstein System | |
| — | Arun | ½–½ | Delgado Caballero | Round 9: Arun, Nitish - Delgado Caballero, Nigel Alejandro | Queen's Gambit Declined: Three Knights Variation | |
| — | Payares Diaz | 0–1 | Arun | Round 3: Payares Diaz, Alejandro - Arun, Nitish | Caro-Kann Defense: Tartakower Variation | |
| — | Vargas Sanchez | 0–1 | Arun | Round 4: Vargas Sanchez, Daniel Jose - Arun, Nitish | Queen's Indian Defense: Fianchetto Variation, Kramnik Variation | |
| — | Sanchez Riscanevo | 0–1 | Arun | Round 6: Sanchez Riscanevo, Santiago - Arun, Nitish | Sicilian Defense: Moscow Variation, Main Line | |
| — | Umesh | 0–1 | Arun | FIDE World Youth U16 Chess Olympiad 2025 | Caro-Kann Defense: Maróczy Variation | |
| — | Casares Ugueto | ½–½ | Arun | Round 8: Casares Ugueto, Santiago de Jesus - Arun, Nitish | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |