| May 31, 2026 | Leszko | 1–0 | Sipos | 45. Zalakaros | Sicilian Defense: Closed, Traditional | |
| May 30, 2026 | Alsina Leal | 1–0 | Leszko | 45. Zalakaros | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| May 29, 2026 | Zubova | 0–1 | Leszko | 45. Zalakaros | Sicilian Defense: French Variation | |
| May 28, 2026 | Leszko | ½–½ | Ostovic | 45. Zalakaros | Philidor Defense: Lion Variation | |
| May 28, 2026 | Leszko | * | Ostovic | 45. Zalakarosi Sakkfesztivál – Bárczay László emlékverseny | ? | |
| May 27, 2026 | Veleski | ½–½ | Leszko | 45. Zalakaros | Queen's Pawn Game: London System, with e6 | |
| May 26, 2026 | Leszko | ½–½ | Tompa | 45. Zalakaros | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| May 25, 2026 | Okhotnik | ½–½ | Leszko | 45. Zalakaros | French Defense: Exchange Variation, Monte Carlo Variation | |
| May 24, 2026 | Leszko | 1–0 | Markantonaki | 45. Zalakaros | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| May 23, 2026 | Rezsek | 0–1 | Leszko | 45. Zalakaros | French Defense: King's Indian Attack | |
| Apr 5, 2026 | Garcia Padron | 0–1 | Leszko | Round 9: Garcia Padron, Jose - Leszko, Bence | English Opening: Agincourt Defense | |
| Apr 4, 2026 | Leszko | 1–0 | Sosa Suarez | Round 8: Leszko, Bence - Sosa Suarez, Carla Cristina | French Defense: Tarrasch Variation | |
| Apr 3, 2026 | Strikovic | 1–0 | Leszko | Round 7: Strikovic, Aleksa - Leszko, Bence | English Opening: Agincourt Defense | |
| Apr 2, 2026 | Leszko | 1–0 | Cruz Pino | Round 6: Leszko, Bence - Cruz Pino, Adrian | Sicilian Defense: Closed, Traditional | |
| Apr 1, 2026 | Song | ½–½ | Leszko | Round 5: Song, Yuxin - Leszko, Bence | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Mar 31, 2026 | Leszko | ½–½ | Niedbala | Round 4: Leszko, Bence - Niedbala, Bartlomiej | Semi-Slav Defense | |
| Mar 30, 2026 | Camino Carrio | 0–1 | Leszko | Round 3: Camino Carrio, Nicanor - Leszko, Bence | Sicilian Defense: Kupreichik Variation | |
| Mar 29, 2026 | Leszko | 1–0 | Rivero Tacoronte | Round 2: Leszko, Bence - Rivero Tacoronte, Gabriel | King's Indian Attack: Sicilian Variation | |
| Mar 28, 2026 | Guerra Aleman | 0–1 | Leszko | Round 1: Guerra Aleman, Marcial - Leszko, Bence | English Defense | |
| Feb 8, 2026 | Leszko | 1–0 | Wolak | Round 7: Leszko, Bence - Wolak, Jan | Sicilian Defense: Closed, Traditional | |
| Feb 8, 2026 | Szabo | 0–1 | Leszko | Round 6: Szabo, Marton Nandor - Leszko, Bence | Nimzo-Indian Defense: Classical Variation, Zurich Variation | |
| Feb 7, 2026 | Leszko | 0–1 | Szegedy | Round 5: Leszko, Bence - Szegedy, Matyas | Caro-Kann Defense: Endgame Offer | |
| Feb 7, 2026 | Haladaj | 0–1 | Leszko | Round 4: Haladaj, Adam - Leszko, Bence | Sicilian Defense: Dragon Variation, Yugoslav Attack | |
| Feb 6, 2026 | Leszko | 1–0 | Minga-Nagy | Round 2: Leszko, Bence - Minga-Nagy, Abel Inti | Sicilian Defense: Kan Variation | |
| Feb 5, 2026 | Harkanyi | 0–1 | Leszko | Round 1: Harkanyi, Gergely - Leszko, Bence | English Defense | |
| Jan 30, 2026 | Leszko | 0–1 | Vanczak | Round 3: Leszko, Bence - Vanczak, Tamas | Four Knights Game | |
| Aug 10, 2024 | Leszko | ½–½ | Pacher | open a | Three Knights Opening | |
| Aug 10, 2024 | Leszko | 1–0 | Nemergut | blitz | French Defense: Knight Variation | |
| Aug 10, 2024 | Leszko | ½–½ | Compel | blitz | Sicilian Defense: Chekhover Variation | |
| Aug 10, 2024 | Leszko | 1–0 | Skreno | blitz | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Aug 10, 2024 | Leszko | ½–½ | Petrek | blitz | French Defense: Knight Variation | |
| Aug 10, 2024 | Leszko | ½–½ | Bochnicka | blitz | Three Knights Opening | |
| Aug 10, 2024 | Nemergut | 0–1 | Leszko | blitz | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Aug 10, 2024 | Haborak | 0–1 | Leszko | blitz | Dutch Defense: Bellon Gambit | |
| Aug 10, 2024 | Jablonicky | 0–1 | Leszko | blitz | French Defense: Paulsen Variation | |
| Aug 10, 2024 | Druska | 1–0 | Leszko | blitz | English Opening: Agincourt Defense | |
| Aug 10, 2024 | Dylong | ½–½ | Leszko | blitz | Sicilian Defense: O'Kelly Variation, Venice System | |
| Aug 10, 2024 | Ouellet | 0–1 | Leszko | blitz | English Defense | |
| Aug 9, 2024 | Leszko | 1–0 | Dylong | open a | King's Indian Attack: Sicilian Variation | |
| Aug 8, 2024 | Gay | 0–1 | Leszko | open a | Sicilian Defense: O'Kelly Variation, Yerevan System | |
| Aug 7, 2024 | Leszko | ½–½ | Zheng | open a | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Aug 6, 2024 | Leszko | 1–0 | Miazhynski | open a | Zukertort Opening | |
| Aug 5, 2024 | Paseka | 1–0 | Leszko | open a | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Aug 5, 2024 | Neuhoff | 0–1 | Leszko | open a | Sicilian Defense: Kupreichik Variation | |
| Aug 4, 2024 | Leszko | 1–0 | Yekeler | rapid | Sicilian Defense: Classical Variation | |
| Aug 4, 2024 | Leszko | 1–0 | Krakovsky | rapid | Barnes Opening | |
| Aug 4, 2024 | Leszko | 0–1 | Jablonicky | open a | Caro-Kann Defense: Maróczy Variation | |
| Aug 4, 2024 | Jablonicky | 1–0 | Leszko | rapid | Petrov's Defense: Damiano Variation, Kholmov Gambit | |
| Aug 4, 2024 | Ivanov | 1–0 | Leszko | rapid | King's Indian Attack | |
| Aug 4, 2024 | Alvir | 0–1 | Leszko | rapid | Sicilian Defense: Four Knights Variation, Cobra Variation | |
| Aug 4, 2024 | Marek | 1–0 | Leszko | rapid | King's Indian Attack | |
| Aug 3, 2024 | Groessing | 0–1 | Leszko | open a | English Defense | |
| Nov 19, 2024 | Leszko | 0–1 | Marie | Round 11: Leszko, Bence - Marie, Maxime | Caro-Kann Defense | |
| Nov 15, 2024 | Yilmaz | ½–½ | Leszko | Round 7: Yilmaz, Baver - Leszko, Bence | Sicilian Defense: Four Knights Variation | |
| Nov 12, 2024 | Leszko | ½–½ | Sitbon | Round 6: Leszko, Bence - Sitbon, Itay | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
| Nov 12, 2024 | Kucuksari | 1–0 | Leszko | Round 5: Kucuksari, Kaan - Leszko, Bence | Catalan Opening: Closed | |
| Nov 10, 2024 | Djukic | 1–0 | Leszko | Round 3: Djukic, Nikola - Leszko, Bence | English Opening: Agincourt Defense | |
| Nov 8, 2024 | Hovhannisyan | 1–0 | Leszko | Round 1: Hovhannisyan, Robert - Leszko, Bence | Sicilian Defense: Four Knights Variation | |
| Sep 6, 2024 | Leszko | ½–½ | Lohia | Round 9: Leszko, Bence - Lohia, Sohum | Four Knights Game | |
| Sep 5, 2024 | Kanyamarala | 0–1 | Leszko | Round 8: Kanyamarala, Tarun - Leszko, Bence | Queen's Gambit Declined: Tartakower Defense | |
| Sep 4, 2024 | Leszko | ½–½ | Citak | Round 7: Leszko, Bence - Citak, Selim | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Sep 2, 2024 | Doric | 1–0 | Leszko | Round 4: Doric, Darko - Leszko, Bence | Queen's Gambit Declined | |
| Sep 1, 2024 | Leszko | ½–½ | Dobrovoljc | Round 3: Leszko, Bence - Dobrovoljc, Vid | King's Indian Attack | |
| Sep 1, 2024 | Valsecchi | 0–1 | Leszko | Round 2: Valsecchi, Alessio - Leszko, Bence | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Oct 21, 2023 | Leszko | 1–0 | Faukovic | 2. Open Hvar | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Oct 20, 2023 | Bratovic | 1–0 | Leszko | 2. Open Hvar | English Opening: Agincourt Defense | |
| Oct 19, 2023 | Leszko | 1–0 | Boric | 2. Open Hvar | Caro-Kann Defense: Endgame Offer | |
| Oct 18, 2023 | Leszko | ½–½ | Ramaj | 2. Open Hvar | Vienna Game: Mieses Variation | |
| Oct 18, 2023 | Ronce | 1–0 | Leszko | 2. Open Hvar | French Defense: Advance Variation, Wade Variation | |
| Oct 17, 2023 | Ozen | ½–½ | Leszko | 2. Open Hvar | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Oct 16, 2023 | Leszko | 1–0 | Hagesather | 2. Open Hvar | Caro-Kann Defense | |
| Oct 16, 2023 | Leszko | 1–0 | Ivanisevic | 2. Open Hvar | Sicilian Defense: French Variation | |
| Oct 15, 2023 | Barbir | 0–1 | Leszko | 2. Open Hvar | Sicilian Defense: Classical Variation, Sozin Attack | |
| Mar 3, 2023 | Leszko | 0–1 | Sanal | European Championship | Four Knights Game: Scotch Variation Accepted | |
| Aug 17, 2022 | Lanc | * | Leszko | Tirnavia | Richard Reti Memorial | IM | ? | |
| Aug 15, 2022 | Skreno | 1–0 | Leszko | Tirnavia | Richard Reti Memorial | GM | Benoni Defense: Modern Variation, Snake Variation | |
| Aug 14, 2022 | Leszko | * | Petran | Tirnavia | Richard Reti Memorial | IM | Caro-Kann Defense: Endgame Offer | |
| Aug 13, 2022 | Skreko | ½–½ | Leszko | Tirnavia | Richard Reti Memorial | IM | Tarrasch Defense: Schara Gambit | |
| Aug 12, 2022 | Leszko | ½–½ | Konyves | Tirnavia | Richard Reti Memorial | IM | King's Indian Attack | |
| Aug 11, 2022 | Papp | ½–½ | Leszko | Tirnavia | Richard Reti Memorial | IM | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Aug 10, 2022 | Svana | ½–½ | Leszko | Tirnavia | Richard Reti Memorial | IM | Tarrasch Defense: Symmetrical Variation | |
| Jun 12, 2022 | Leszko | 0–1 | Nemeth | Zalakaros Open | Scandinavian Defense | |
| Jun 11, 2022 | Sammed Jaykumar | 1–0 | Leszko | Zalakaros Open | Semi-Slav Defense: Normal Variation | |
| Jun 10, 2022 | Leszko | ½–½ | Kantor | Zalakaros Open | Four Knights Game: Scotch Variation Accepted | |
| Jun 9, 2022 | Metaxasz | 0–1 | Leszko | Zalakaros Open | English Opening | |
| Jun 8, 2022 | Leszko | 1–0 | Boguszlavszkij | Zalakaros Open | Caro-Kann Defense: Gurgenidze System | |
| Oct 24, 2021 | Leszko | 0–1 | Krstulovic | HUN Youth tch | Caro-Kann Defense: Endgame Offer | |
| Sep 11, 2021 | Sygulski | 0–1 | Leszko | Zalakaros open | Queen's Pawn Game: Zukertort Variation | |
| Sep 10, 2021 | Leszko | ½–½ | Bodrogi | Zalakaros open | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Sep 9, 2021 | Szalanczi | ½–½ | Leszko | Zalakaros open | Sicilian Defense: Closed, Chameleon Variation | |
| Sep 8, 2021 | Leszko | ½–½ | Lizak | Zalakaros open | Caro-Kann Defense: Two Knights Attack | |
| Sep 7, 2021 | Leszko | ½–½ | Horvath | Zalakaros open | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Jul 1, 2021 | Nagy | 1–0 | Leszko | Vezerkepzo GM Mix | Queen's Pawn Game: Krause Variation | |
| Jun 30, 2021 | Leszko | 1–0 | Lyell | Vezerkepzo GM Mix | Queen's Gambit Accepted: Central Variation, Alekhine System | |
| Jun 29, 2021 | Leszko | 0–1 | Mishra | Vezerkepzo GM Mix | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| Jun 29, 2021 | Egresi | ½–½ | Leszko | Vezerkepzo GM Mix | Zukertort Opening: Reversed Grünfeld | |
| Jun 28, 2021 | Leszko | ½–½ | Murphy | Vezerkepzo GM Mix | Catalan Opening: Closed | |
| Jun 27, 2021 | Leszko | 1–0 | Royal | Vezerkepzo GM Mix | Catalan Opening: Closed | |
| Jun 27, 2021 | Mendonca | ½–½ | Leszko | Vezerkepzo GM Mix | Queen's Gambit Declined | |
| Jun 26, 2021 | Manish | 1–0 | Leszko | Vezerkepzo GM Mix | Sicilian Defense: Nimzowitsch Variation, Main Line | |