| Game | Result | Opening | Date |
|---|---|---|---|
| Hirano, Enzo Erich Kreutz (2034) – Umetsubo, Cesar Hidemitsu (2351) | 0-1 | Caro-Kann Defense: Classical Variation | 2026-07-05 |
| Alboredo, Julia (2179) – Umetsubo, Cesar Hidemitsu (2351) | 1-0 | Bishop's Opening: Paulsen Defense | 2026-07-03 |
| Umetsubo, Cesar Hidemitsu (2351) – Calcada, Lucas Galvan (2026) | 1-0 | Semi-Slav Defense: Stoltz Variation | 2026-07-02 |
| Becker, Rogerio Sperb (2173) – Umetsubo, Cesar Hidemitsu (2351) | 1-0 | Catalan Opening: Closed | 2026-07-01 |
| Umetsubo, Cesar Hidemitsu (2358) – Fier, Alexandr (2553) | 0-1 | Tarrasch Defense: Symmetrical Variation | 2026-06-30 |
| Piasetski, Leon (2159) – Umetsubo, Cesar Hidemitsu (2358) | 0-1 | Queen's Indian Defense: Spassky System | 2026-06-29 |
| Povia, Pedro Cezar Vezneyan (1823) – Umetsubo, Cesar Hidemitsu (2358) | 0-1 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | 2026-06-28 |
| Umetsubo, Cesar Hidemitsu (2358) – Rodrigues Mota, Sophia Lorena (1994) | 1-0 | Queen's Gambit Declined: Exchange Variation, Positional Variation | 2026-06-28 |
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