| 5 mar 2026 | Otsuka, Shou 2339 | Aarit Kapil 2271 | 0-1 | B38 Defensa Siciliana: Accelerated Dragon, Maróczy Bind | Budapest Spring Festival | 36 | Ver |
| 4 mar 2026 | Liyanage, Ranindu Dilshan 2429 | Otsuka, Shou 2339 | 1-0 | C55 Apertura Italiana: Two Knights Defense, Modern Bishop's Opening | Budapest Spring Festival | 77 | Ver |
| 3 mar 2026 | Otsuka, Shou 2339 | Panesar Vedant 2406 | ½-½ | E94 Defensa India de Rey: Orthodox Variation, Glek Defense | Budapest Spring Festival | 51 | Ver |
| 2 mar 2026 | Mosesov, Danyil 2466 | Otsuka, Shou 2339 | ½-½ | D85 Defensa Grünfeld: Exchange Variation | Budapest Spring Festival | 36 | Ver |
| 1 mar 2026 | Otsuka, Shou 2339 | Uzdemir, Ali Poyraz 2167 | 1-0 | A30 Apertura Inglesa: Symmetrical Variation | Budapest Spring Festival | 45 | Ver |
| 28 feb 2026 | Mandalinic, David 2224 | Otsuka, Shou 2350 | ½-½ | A00 Apertura Van Geet | Budapest Spring Festival | 14 | Ver |
| 27 feb 2026 | Otsuka, Shou 2350 | Terbe, Julianna 2214 | ½-½ | C55 Apertura Italiana: Two Knights Defense, Modern Bishop's Opening | Budapest Spring Festival | 57 | Ver |
| 31 ene 2026 | Berczes, David 2362 | Otsuka, Shou 2350 | 1-0 | A47 Pseudo Queen's Indian Defense | SixDays February 2026 GM C | 35 | Ver |
| 31 ene 2026 | Otsuka, Shou 2350 | Senthil Maran K 2311 | 1-0 | B13 Defensa Caro-Kann: Exchange Variation | SixDays February 2026 GM C | 37 | Ver |
| 31 ene 2026 | Kushagra Mohan 2431 | Otsuka, Shou 2350 | 1-0 | B31 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | SixDays February 2026 GM C | 40 | Ver |
| 31 ene 2026 | Otsuka, Shou 2350 | Shilon Rahav, Eliran 2364 | 1-0 | B31 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Lutikov Gambit | SixDays February 2026 GM C | 28 | Ver |
| 31 ene 2026 | Krallis, Christos 2423 | Otsuka, Shou 2350 | 1-0 | B31 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | SixDays February 2026 GM C | 48 | Ver |
| 31 ene 2026 | Otsuka, Shou 2350 | Ilkhomi, Jaloliddin 2353 | ½-½ | C11 Defensa Francesa: Steinitz Variation, Boleslavsky Variation | SixDays February 2026 GM C | 68 | Ver |
| 31 ene 2026 | Poetsch, Hagen 2433 | Otsuka, Shou 2350 | 1-0 | B33 Defensa Siciliana: Lasker-Pelikan Variation | SixDays February 2026 GM C | 37 | Ver |
| 31 ene 2026 | Otsuka, Shou 2350 | Grover, Sahaj 2475 | 0-1 | C79 Apertura Española (Ruy López): Morphy Defense, Steinitz Deferred | SixDays February 2026 GM C | 51 | Ver |
| 31 ene 2026 | Raczek, Krzysztof 2506 | Otsuka, Shou 2350 | 1-0 | E49 Defensa Nimzoindia: Normal Variation, Botvinnik System | SixDays February 2026 GM C | 56 | Ver |
| 24 ene 2026 | Korobov, Anton 2595 | Otsuka, Shou 2331 | 1-0 | B30 Defensa Siciliana: Old Sicilian | Marienbad Open 2026 | 52 | Ver |
| 23 ene 2026 | Otsuka, Shou 2331 | Stefansson, Hannes 2427 | ½-½ | B40 Defensa Siciliana: Delayed Alapin Variation, with e6 | Marienbad Open 2026 | 51 | Ver |
| 21 ene 2026 | Heinrich, John 2366 | Otsuka, Shou 2331 | ½-½ | E20 Defensa Nimzoindia: Kmoch Variation | Marienbad Open 2026 | 50 | Ver |
| 20 ene 2026 | Otsuka, Shou 2331 | Dahl, Christoph 2394 | ½-½ | C72 Apertura Española (Ruy López): Morphy Defense, Modern Steinitz Defense | Marienbad Open 2026 | 42 | Ver |