| Jun 30, 2026 | Lavigne Lopez | ½–½ | Perdomo | X Caioba - STD | Ruy Lopez: Morphy Defense, Wormald Attack | |
| Jun 30, 2026 | Perdomo | ½–½ | Volkmann | X Caioba - STD | Queen's Gambit Declined: Tartakower Defense | |
| Jun 27, 2026 | Villca | 1–0 | Perdomo | X Caioba RPD | Hungarian Opening: Symmetrical Variation | |
| Jun 27, 2026 | Perdomo | 1–0 | Saiz Rodriguez | X Caioba RPD | Queen's Gambit Declined: Anti-Tartakower Variation | |
| Jun 27, 2026 | Perdomo | 0–1 | Perez Gormaz | X Caioba RPD | Queen's Gambit Accepted: Normal Variation, Traditional System | |
| Jun 27, 2026 | Terao | 0–1 | Perdomo | X Caioba RPD | Scotch Game: Potter Variation | |
| Jun 27, 2026 | Perdomo | ½–½ | Hirano | X Caioba RPD | Queen's Gambit Declined: Exchange Variation, Reshevsky Variation | |
| Jun 27, 2026 | Piasetski | ½–½ | Perdomo | X Caioba RPD | King's Indian Defense: Fianchetto Variation, Classical Fianchetto | |
| Jun 27, 2026 | Perdomo | 1–0 | Chemin | X Caioba RPD | Semi-Slav Defense: Stoltz Variation | |
| Jun 27, 2026 | Maset | 0–1 | Perdomo | X Caioba RPD | Bishop's Opening: Vienna Hybrid, Spielmann Attack | |
| Jun 27, 2026 | Bachmann | ½–½ | Perdomo | X Sesc Caioba BTZ | King's Knight Opening: Konstantinopolsky | |
| Jun 27, 2026 | Perdomo | 1–0 | Santiago | X Sesc Caioba BTZ | English Opening: Agincourt Defense | |
| Jun 27, 2026 | Perdomo | 1–0 | Delgado Ramirez | X Sesc Caioba BTZ | Nimzo-Indian Defense: Normal Variation, Ragozin Variation | |
| Jun 27, 2026 | Garcia Palermo | 0–1 | Perdomo | X Sesc Caioba BTZ | Benoni Defense: King's Pawn Line, with Bg5 | |
| Jul 6, 2025 | Perdomo | ½–½ | Silva | Round 9: Perdomo, Leandro - Silva, Kaua Marques | Queen's Gambit Declined: Exchange Variation, Reshevsky Variation | |
| Jul 5, 2025 | Strikovic | 1–0 | Perdomo | Round 8: Strikovic, Aleksa - Perdomo, Leandro | King's Indian Defense: Petrosian Variation, Normal Defense | |
| Jul 2, 2025 | Perdomo | ½–½ | Pirola | Round 5: Perdomo, Leandro - Pirola, Claudionor Alcides Lima | Queen's Gambit Declined: Anti-Tartakower Variation, Petrosian Variation | |
| Jul 1, 2025 | Rodriguez Vila | 1–0 | Perdomo | Round 4: Rodriguez Vila, Andres - Perdomo, Leandro | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Feb 9, 2025 | Perdomo | 1–0 | Blanco Amaro | II Sampa Chess Open - Blitz FIDE | Nimzo-Indian Defense: Normal Variation | |
| Feb 9, 2025 | Perdomo | 1–0 | Bueno | II Sampa Chess Open - Blitz FIDE | Queen's Gambit Declined | |
| Feb 9, 2025 | Perdomo | 0–1 | Casalaspro | II Sampa Chess Open - Blitz FIDE | King's Indian Defense: Makogonov Variation | |
| Feb 9, 2025 | Perdomo | 0–1 | Rigonati | II Sampa Chess Open - Blitz FIDE | Queen's Gambit Declined: Modern Variation | |
| Feb 9, 2025 | Goncalves | 0–1 | Perdomo | II Sampa Chess Open - Blitz FIDE | East Indian Defense | |
| Feb 9, 2025 | Contreras Huaman | 0–1 | Perdomo | II Sampa Chess Open - Blitz FIDE | Ruy Lopez: Closed, Keres Defense | |
| Feb 9, 2025 | Cunha | 0–1 | Perdomo | II Sampa Chess Open - Blitz FIDE | Nimzowitsch Defense: Breyer Variation | |
| Feb 9, 2025 | Cruz | 0–1 | Perdomo | II Sampa Chess Open - Blitz FIDE | Indian Defense: Przepiorka Variation | |
| Feb 9, 2025 | Poeta | 0–1 | Perdomo | II Sampa Chess Open - Blitz FIDE | King's Indian Defense: Fianchetto Variation, Classical Main Line | |
| Feb 1, 2025 | Perdomo | 1–0 | Pironti | II Sampa Chess Open - STD Open | Queen's Gambit Declined: Anti-Tartakower Variation, Petrosian Variation | |
| Feb 1, 2025 | Perdomo | 1–0 | Ikejiri | II Sampa Chess Open - STD Open | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Feb 1, 2025 | Perdomo | ½–½ | Contreras Huaman | II Sampa Chess Open - STD Open | Slav Defense: Exchange Variation | |
| Feb 1, 2025 | Perdomo | 1–0 | Seccafim | II Sampa Chess Open - STD Open | Benko Gambit Accepted: Fully Accepted Variation | |
| Feb 1, 2025 | Perdomo | ½–½ | Lima | II Sampa Chess Open - STD Open | Nimzo-Indian Defense: Normal Variation | |
| Feb 1, 2025 | Kruger | 0–1 | Perdomo | II Sampa Chess Open - STD Open | Bishop's Opening: Vienna Hybrid, Spielmann Attack | |
| Feb 1, 2025 | Aranha Filho | ½–½ | Perdomo | II Sampa Chess Open - STD Open | Torre Attack: Fianchetto Defense | |
| Feb 1, 2025 | Tsuboi | ½–½ | Perdomo | II Sampa Chess Open - STD Open | Ruy Lopez: Closed, Keres Defense | |
| Feb 1, 2025 | Awoki | 1–0 | Perdomo | II Sampa Chess Open - STD Open | Ruy Lopez: Closed, Chigorin Defense | |
| Feb 1, 2025 | Labussiere | ½–½ | Perdomo | II Sampa Chess Open - STD Open | King's Indian Defense: Petrosian Variation, Normal Defense | |
| Feb 17, 2025 | Perdomo | ½–½ | Sivakumar | Round 9: Perdomo, Leandro - Sivakumar, Shaaketh | Nimzo-Indian Defense: Three Knights Variation | |
| Feb 17, 2025 | Deng | ½–½ | Perdomo | Round 8: Deng, Henry - Perdomo, Leandro | Italian Game: Scotch Gambit, Max Lange Attack | |
| Feb 16, 2025 | Perdomo | 1–0 | Guo | Round 7: Perdomo, Leandro - Guo, Andrew | ? | |
| Feb 16, 2025 | Paredes Lagos | ½–½ | Perdomo | Round 6: Paredes Lagos, Anthony Javier - Perdomo, Leandro | Ruy Lopez: Morphy Defense | |
| Feb 15, 2025 | Perdomo | ½–½ | Yan | Round 5: Perdomo, Leandro - Yan, Nathan | Queen's Gambit Declined: Ragozin Defense | |
| Feb 15, 2025 | Martinez Romero | ½–½ | Perdomo | Round 4: Martinez Romero, Martin - Perdomo, Leandro | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | |
| Feb 14, 2025 | Perdomo | ½–½ | Liu | Round 2: Perdomo, Leandro - Liu, Patrick | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Feb 14, 2025 | Jimenez Garcia | ½–½ | Perdomo | Round 3: Jimenez Garcia, Emmanuel - Perdomo, Leandro | King's Indian Defense: Normal Variation, Rare Defenses | |
| Feb 13, 2025 | Sivakumar | 0–1 | Perdomo | Round 1: Sivakumar, Shaashwath - Perdomo, Leandro | Italian Game: Giuoco Pianissimo, Normal | |
| Oct 17, 2024 | Terao | ½–½ | Perdomo | Manaus Chess Open 2024 | Ruy Lopez: Closed, Pilnik Variation | |
| Oct 16, 2024 | Perdomo | ½–½ | Gauche | Manaus Chess Open 2024 | Dutch Defense: Hopton Attack | |
| Oct 15, 2024 | Bezerra | 0–1 | Perdomo | Round 1: Bezerra, Fabiano de Oliveira - Perdomo, Leandro | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| Oct 15, 2024 | Rodriguez Vila | 0–1 | Perdomo | Round 3: Rodriguez Vila, Andres - Perdomo, Leandro | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Advance Line | |
| Oct 15, 2024 | Perdomo | 1–0 | Cueto | Round 2: Perdomo, Leandro - Cueto, Jonny | Queen's Pawn Game: Modern Defense | |
| Oct 14, 2024 | Perdomo | ½–½ | Molina | Manaus Chess Open 2024 | Queen's Gambit Declined | |
| Oct 14, 2024 | Santiago | ½–½ | Perdomo | Manaus Chess Open 2024 | King's Indian Defense: Petrosian Variation, Normal Defense | |
| Oct 13, 2024 | Perdomo | 1–0 | Rodriguez Vila | Manaus Chess Open 2024 | Modern Defense | |
| Oct 12, 2024 | Perdomo | 1–0 | Cardoso | Manaus Chess Open 2024 | Queen's Gambit Declined: Modern Variation, Normal Line | |
| Oct 12, 2024 | Da Silva | 0–1 | Perdomo | Manaus Chess Open 2024 | Italian Game: Giuoco Pianissimo, Normal | |
| Oct 11, 2024 | Rodrigues Franca | 0–1 | Perdomo | Manaus Chess Open 2024 | King's Indian Defense: Exchange Variation | |
| Oct 9, 2024 | Perdomo | 1–0 | Santiago | Round 9: Perdomo, Leandro - Santiago, Yago De Moura | Queen's Gambit Accepted: Janowski-Larsen Variation | |
| Oct 9, 2024 | Quintiliano | 0–1 | Perdomo | Round 8: Quintiliano, Renato R. - Perdomo, Leandro | East Indian Defense | |
| Oct 9, 2024 | Hoffman | 0–1 | Perdomo | Round 7: Hoffman, Alejandro - Perdomo, Leandro | Hungarian Opening: Symmetrical Variation | |
| Oct 9, 2024 | Perdomo | 1–0 | Cubas | Round 6: Perdomo, Leandro - Cubas, Jose Fernando | Queen's Gambit Declined: Albin Countergambit, Modern Line | |
| Oct 9, 2024 | Do Valle Cardoso | 0–1 | Perdomo | Round 5: Do Valle Cardoso, Lucas - Perdomo, Leandro | Zukertort Opening: Nimzo-Larsen Variation | |
| Oct 9, 2024 | Perdomo | 1–0 | Cunha | Round 4: Perdomo, Leandro - Cunha, Lucas Aguiar | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Aug 30, 2024 | Perdomo | 1–0 | Nascimento | IV Niterói Chess Open 2024 - BLZ | Semi-Slav Defense: Main Line | |
| Aug 28, 2024 | Perdomo | 1–0 | Oliveira | IV Niterói Chess Open 2024 - STD | Benoni Defense | |
| Aug 28, 2024 | Perdomo | ½–½ | Nascimento | IV Niterói Chess Open 2024 - STD | Sicilian Defense: Scheveningen Variation, Modern Variation | |
| Aug 28, 2024 | Perdomo | 1–0 | Serpa | IV Niterói Chess Open 2024 - STD | Queen's Gambit Declined: Anti-Tartakower Variation, Petrosian Variation | |
| Aug 28, 2024 | Dias | ½–½ | Perdomo | IV Niterói Chess Open 2024 - STD | King's Indian Defense: Fianchetto Variation, Classical Main Line | |
| Aug 28, 2024 | De Oliveira | 0–1 | Perdomo | IV Niterói Chess Open 2024 - STD | ? | |
| Jun 30, 2024 | Luz | 0–1 | Perdomo | Round 9: Luz, Arthur Nader - Perdomo, Leandro | East Indian Defense | |
| Jun 29, 2024 | Perdomo | 0–1 | Rodrigues | Round 8: Perdomo, Leandro - Rodrigues, Edgar | Modern Defense: Beefeater Variation | |
| Jun 28, 2024 | Duarte Napoles | ½–½ | Perdomo | Round 7: Duarte Napoles, Fanny - Perdomo, Leandro | King's Indian Defense: Makogonov Variation | |
| Jun 27, 2024 | Perdomo | 1–0 | Nogueira | Round 6: Perdomo, Leandro - Nogueira, Ivan Kuhlmann | Queen's Indian Accelerated | |
| Jun 26, 2024 | Guimaraes | 0–1 | Perdomo | Round 5: Guimaraes, Wagner Peixoto - Perdomo, Leandro | English Opening: Great Snake Variation | |
| Jun 24, 2024 | Perdomo | ½–½ | Pontes | Round 2: Perdomo, Leandro - Pontes,Israel Fillip da Silva | Queen's Gambit Declined: Janowski Variation | |
| May 9, 2024 | Librelato | 0–1 | Perdomo | Round 9: Librelato, Kathie Goulart - Perdomo, Leandro | Ruy Lopez: Morphy Defense | |
| May 8, 2024 | Perdomo | 0–1 | Flores Quillas | Round 8: Perdomo, Leandro - Flores Quillas, Diego Saul Rodri | Nimzo-Indian Defense: Sämisch Variation | |
| May 7, 2024 | Di Berardino | ½–½ | Perdomo | Round 7: Di Berardino, Diego Rafael - Perdomo, Leandro | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| May 6, 2024 | Perdomo | ½–½ | Quintiliano | Round 6: Perdomo, Leandro - Quintiliano, Renato R. | Nimzo-Indian Defense: Sämisch Variation | |
| May 6, 2024 | Cubas | 0–1 | Perdomo | Round 5: Cubas, Jose Fernando - Perdomo, Leandro | Ruy Lopez: Schliemann Defense | |
| May 5, 2024 | Perdomo | ½–½ | Fier | Round 4: Perdomo, Leandro - Fier, Alexandr | Benoni Defense | |
| May 3, 2024 | Bachmann | ½–½ | Perdomo | Round 3: Bachmann, Axel - Perdomo, Leandro | King's Indian Defense: Makogonov Variation | |
| May 2, 2024 | Perdomo | ½–½ | Delgado Ramirez | Round 2: Perdomo, Leandro - Delgado Ramirez, Neuris | Queen's Gambit Declined: Exchange Variation, Reshevsky Variation | |
| May 1, 2024 | Perdomo | ½–½ | Do Valle Cardoso | Round 1: Perdomo, Leandro - Do Valle Cardoso, Lucas | Queen's Gambit Declined: Modern Variation | |
| Feb 4, 2024 | Oliveira | ½–½ | Perdomo | Sampa Chess Open - Local Piso Superior (ao lado da Renner) às 19h00 | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Jan 31, 2024 | Perdomo | 1–0 | Dos Santos Junior | Sampa Chess Open - Local Piso Superior (ao lado da Renner) Ã s 19h00 | Slav Defense: Three Knights Variation | |
| Sep 1, 2024 | Perdomo | ½–½ | Filgueiras | Round 7: Perdomo, Leandro - Filgueiras, Nathan Felipe | Nimzo-Indian Defense: Rubinstein System, Hübner Variation | |
| Aug 31, 2024 | Lage | 0–1 | Perdomo | Round 6: Lage, Pedro Ferreira - Perdomo, Leandro | King's Indian Defense: Orthodox Variation | |
| Aug 30, 2024 | Perdomo | 1–0 | Nejanky | Round 2: Perdomo, Leandro - Nejanky, Maisa | Nimzo-Indian Defense: Normal Variation, Bernstein Defense | |
| Aug 30, 2024 | Perdomo | 1–0 | Rangel | Round 4: Perdomo, Leandro - Rangel, Daniel | Queen's Gambit Declined: Modern Variation, Knight Defense | |
| Aug 30, 2024 | Perdomo | 0–1 | Santiago | Round 6: Perdomo, Leandro - Santiago, Yago De Moura | Queen's Gambit Accepted: Old Variation | |
| Aug 30, 2024 | Lopes | 0–1 | Perdomo | Round 1: Lopes, Eduardo Moraes - Perdomo, Leandro | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Aug 30, 2024 | Lage | 0–1 | Perdomo | Round 3: Lage, Pedro Ferreira - Perdomo, Leandro | Trompowsky Attack | |
| Aug 30, 2024 | Aranha Filho | 0–1 | Perdomo | Round 5: Aranha Filho, Alvaro Z. - Perdomo, Leandro | King's Indian Defense: Steiner Attack | |
| Aug 30, 2024 | Di Berardino | 1–0 | Perdomo | Round 7: Di Berardino, Diego Rafael - Perdomo, Leandro | English Opening: King's English Variation, Botvinnik System | |
| Aug 30, 2024 | Porto | 0–1 | Perdomo | Round 9: Porto, Cristiano Nogueira - Perdomo, Leandro | Ruy Lopez: Exchange Variation, Normal Variation | |
| Feb 11, 2023 | Perdomo | ½–½ | Oswaldo Valentin | VI Abierto de Montevideo | King's Indian Defense: Normal Variation | |
| Feb 10, 2023 | Delgado Ramirez | 0–1 | Perdomo | VI Abierto de Montevideo | Rapport-Jobava System | |
| Feb 9, 2023 | Perdomo | ½–½ | Lopez Azambuja | VI Abierto de Montevideo | Nimzo-Indian Defense: Rubinstein System | |
| Feb 8, 2023 | Contin | ½–½ | Perdomo | VI Abierto de Montevideo | English Opening: Symmetrical Variation, Botvinnik System Reversed, with e3 | |