| 29 mar 2026 | Burkhardt, Holger 2123 | Nakahara, Kan 2171 | 0-1 | C68 Apertura Española (Ruy López): Exchange Variation, Keres Variation | Schloss-Open | 54 | Ver |
| 28 mar 2026 | Nakahara, Kan 2171 | Medvedyk, Volodymyr 2178 | ½-½ | B56 Defensa Siciliana: Kupreichik Variation | Schloss-Open | 12 | Ver |
| 27 mar 2026 | Browning, Rebecca 2022 | Nakahara, Kan 2171 | 0-1 | C45 Apertura Escocesa: Classical Variation | Schloss-Open | 26 | Ver |
| 26 mar 2026 | Brunke, Pascal 2276 | Nakahara, Kan 2171 | 0-1 | A13 Apertura Inglesa: Agincourt Defense, Catalan Defense Accepted | Schloss-Open | 37 | Ver |
| 26 mar 2026 | Scheffner, Axel, Dr. 2236 | Nakahara, Kan 2171 | ½-½ | E20 Defensa Nimzoindia: Kmoch Variation | Schloss-Open | 49 | Ver |
| 26 mar 2026 | Nakahara, Kan 2171 | Bentel, Robin 2197 | ½-½ | B41 Defensa Siciliana: Kan Variation, Maróczy Bind, Réti Variation | Schloss-Open | 34 | Ver |
| 26 mar 2026 | Nakahara, Kan 2171 | Groen, Benjamin 2019 | 1-0 | B56 Defensa Siciliana: Classical Variation | Schloss-Open | 19 | Ver |
| 24 mar 2026 | Mehta Naitik R 2257 | Nakahara, Kan 2171 | ½-½ | C24 Apertura de Alfil: Paulsen Defense | SixDays March 2026 IM C | 45 | Ver |
| 23 mar 2026 | Nakahara, Kan 2171 | Swayham P Das 2193 | ½-½ | B98 Defensa Siciliana: Najdorf Variation, Browne Variation | SixDays March 2026 IM C | 37 | Ver |
| 23 mar 2026 | Jakovljevic, Vlado 2314 | Nakahara, Kan 2171 | ½-½ | E17 Defensa India de Dama: Fianchetto Variation, Kramnik Variation | SixDays March 2026 IM C | 34 | Ver |
| 22 mar 2026 | Nakahara, Kan 2171 | Guntaka, Aayansh 2064 | 1-0 | B80 Defensa Siciliana: Scheveningen Variation | SixDays March 2026 IM C | 45 | Ver |
| 21 mar 2026 | Wagh Suyog 2374 | Nakahara, Kan 2171 | 1-0 | E11 Defensa Bogoindia: Grünfeld Variation | SixDays March 2026 IM C | 54 | Ver |
| 21 mar 2026 | Nakahara, Kan 2171 | Jaiveer Mahendru 2255 | ½-½ | C80 Apertura Española (Ruy López): Open | SixDays March 2026 IM C | 48 | Ver |
| 20 mar 2026 | Gathi, Donat 2296 | Nakahara, Kan 2171 | 1-0 | C96 Apertura Española (Ruy López): Closed, Keres Defense | SixDays March 2026 IM C | 54 | Ver |
| 20 mar 2026 | Nakahara, Kan 2171 | Pribelszky, Bence 2396 | 0-1 | B06 Defensa Moderna | SixDays March 2026 IM C | 49 | Ver |
| 17 mar 2026 | Nakahara, Kan 2171 | Horvath, David 2243 | ½-½ | B15 Defensa Caro-Kann: Tartakower Variation | Budapest One Week IMB | 7 | Ver |
| 16 mar 2026 | Nakahara, Kan 2171 | Chekanov, Timur 2025 | 1-0 | B33 Defensa Siciliana: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | SixDays March 2026 IM C | 33 | Ver |
| 16 mar 2026 | Jaiveer Mahendru 2255 | Nakahara, Kan 2171 | 1-0 | C54 Apertura Italiana: Classical Variation, Giuoco Pianissimo, with a6 | Budapest One Week IMB | 36 | Ver |
| 15 mar 2026 | Nakahara, Kan 2171 | Golecki, Jan 2293 | 1-0 | C60 Apertura Española (Ruy López): Cozio Defense | Budapest One Week IMB | 41 | Ver |
| 15 mar 2026 | Nemeth, Zalan 2234 | Nakahara, Kan 2171 | 1-0 | E64 Defensa India de Rey: Fianchetto Variation, Yugoslav System | Budapest One Week IMB | 30 | Ver |