| Jan 31, 2026 | Seccafim | ½–½ | Tsuboi | III Sampa Chess Open - STD | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Jan 30, 2026 | Tsuboi | * | Oliveira | III Sampa Chess Open - RPD | ? | |
| Dec 30, 2025 | Bonilla Viamonte | 0–1 | Tsuboi | Round 8: Bonilla Viamonte, Diego Armando - Tsuboi, Edson Kenji | English Opening: Symmetrical Variation, Botvinnik System | |
| Dec 30, 2025 | Tsuboi | ½–½ | Maset | Round 7: Tsuboi, Edson Kenji - Maset, Pedro Yuki Yoshida | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Dec 29, 2025 | El Zwei | 1–0 | Tsuboi | Round 6: El Zwei, Aiman Mohamed - Tsuboi, Edson Kenji | English Opening: Symmetrical Variation | |
| Dec 29, 2025 | Tsuboi | 1–0 | Santos | Round 5: Tsuboi, Edson Kenji - Santos, Abel Cardoso Dos | Ruy Lopez: Closed | |
| Dec 28, 2025 | Tsuboi | 1–0 | De Souza | Round 4: Tsuboi, Edson Kenji - De Souza, Samuel B Ornelas | Sicilian Defense: Najdorf Variation, Amsterdam Variation | |
| Dec 27, 2025 | Silva | 1–0 | Tsuboi | Round 3: Silva, Kaua Marques - Tsuboi, Edson Kenji | Sicilian Defense: Taimanov Variation | |
| Dec 27, 2025 | Tsuboi | 1–0 | Vieira | Round 1: Tsuboi, Edson Kenji - Vieira, Luana Saddi | English Opening: Anglo-Indian Defense | |
| Dec 27, 2025 | Da Silva | 0–1 | Tsuboi | Round 2: Da Silva, Camila Evaristo - Tsuboi, Edson Kenji | Grünfeld Defense: Exchange Variation | |
| Dec 21, 2025 | Tsuboi | 0–1 | Fier | Round 9: Tsuboi, Edson Kenji - Fier, Alexandr | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Jun 30, 2025 | Tsuboi | 0–1 | Rodriguez Vila | Round 3: Tsuboi, Edson Kenji - Rodriguez Vila, Andres | Ruy Lopez: Morphy Defense | |
| Feb 1, 2025 | Tsuboi | 1–0 | De Oliveira | II Sampa Chess Open - STD Open | ? | |
| Feb 1, 2025 | Tsuboi | ½–½ | Santos | II Sampa Chess Open - STD Open | French Defense: Tarrasch Variation | |
| Feb 1, 2025 | Tsuboi | ½–½ | Perdomo | II Sampa Chess Open - STD Open | Ruy Lopez: Closed, Keres Defense | |
| Feb 1, 2025 | Tsuboi | 1–0 | Pironti | II Sampa Chess Open - STD Open | Sicilian Defense: Najdorf Variation, Amsterdam Variation | |
| Feb 1, 2025 | Tsuboi | 0–1 | Da Silva | II Sampa Chess Open - STD Open | Sicilian Defense: Najdorf Variation, English Attack | |
| Feb 1, 2025 | Santiago | 0–1 | Tsuboi | II Sampa Chess Open - STD Open | Nimzo-Indian Defense: Romanishin Variation, English Hybrid | |
| Feb 1, 2025 | Almeida | ½–½ | Tsuboi | II Sampa Chess Open - STD Open | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Feb 1, 2025 | De Siqueira | 1–0 | Tsuboi | II Sampa Chess Open - STD Open | Sicilian Defense: French Variation | |
| Jun 28, 2024 | Tsuboi | 0–1 | Do Valle Cardoso | Round 7: Tsuboi, Edson Kenji - Do Valle Cardoso, Lucas | Sicilian Defense: Richter-Rauzer Variation | |
| Jun 25, 2024 | Tsuboi | 0–1 | Cubas | Round 3: Tsuboi, Edson Kenji - Cubas, Jose Fernando | Sicilian Defense: Kalashnikov Variation | |
| Feb 2, 2024 | Tsuboi | 0–1 | Santiago | Sampa Chess Open - Local Piso Superior (ao lado da Renner) às 19h00 | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Jan 30, 2024 | Flores Quillas | 1–0 | Tsuboi | Sampa Chess Open - Local Piso Superior (ao lado da Renner) Ã s 19h00 | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
