| Jun 10, 2026 | Van Herck | 0–1 | Biro | Round 9: Van Herck, Marcel - Biro, Sandor | Grünfeld Defense: Exchange Variation | |
| Jun 9, 2026 | Biro | ½–½ | Brongers | Round 8: Biro, Sandor - Brongers, Henk | Zukertort Opening: Nimzo-Larsen Variation | |
| Jun 8, 2026 | Besser | 0–1 | Biro | Round 7: Besser, Jochen - Biro, Sandor | English Opening: King's English Variation, Adhiban Gambit | |
| Jun 7, 2026 | Biro | ½–½ | Castellano | Round 6: Biro, Sandor - Castellano, Alfonso | Nimzo-Larsen Attack: Modern Variation | |
| Jun 6, 2026 | Roques | ½–½ | Biro | Round 5: Roques, Pascal - Biro, Sandor | Pirc Defense | |
| Jun 5, 2026 | Biro | 0–1 | Battistella | Round 4: Biro, Sandor - Battistella, Stefano | Four Knights Game: Gunsberg Variation | |
| Jun 4, 2026 | Albanesi | 0–1 | Biro | Round 3: Albanesi, Roberto - Biro, Sandor | Four Knights Game: Scotch Variation Accepted, Main Line | |
| Jun 3, 2026 | Biro | 0–1 | Cazzaniga | Round 2: Biro, Sandor - Cazzaniga, Walter | French Defense: Two Knights Variation | |
| Jun 2, 2026 | Irandoust | 0–1 | Biro | Round 1: Irandoust, Babak - Biro, Sandor | Grob Opening | |
| Nov 1, 2025 | Chapman | ½–½ | Biro | Round 11: Chapman, Terry P D - Biro, Sandor | Queen's Gambit Declined: Chigorin Defense, Lazard Gambit | |
| Oct 31, 2025 | Biro | ½–½ | Zapata | Round 10: Biro, Sandor - Zapata, Alonso | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Oct 30, 2025 | Biro | 1–0 | Nagy | Round 9: Biro, Sandor - Nagy, Laszlo | English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | |
| Oct 29, 2025 | Tocco | ½–½ | Biro | Round 8: Tocco, Paolo - Biro, Sandor | Van Geet Opening: Napoleon Attack | |
| Oct 28, 2025 | Biro | ½–½ | Sosa Patino | Round 7: Biro, Sandor - Sosa Patino, Carlos | Sicilian Defense: Smith-Morra Gambit Accepted | |
| Oct 26, 2025 | Welling | 1–0 | Biro | Round 6: Welling, Gerard - Biro, Sandor | Queen's Pawn Game: Barry Attack, Grünfeld Variation | |
| Oct 25, 2025 | Biro | ½–½ | Simonsen | Round 5: Biro, Sandor - Simonsen, Carsten | Sicilian Defense: Old Sicilian | |
| Oct 24, 2025 | Rhine | 0–1 | Biro | Round 4: Rhine, Frederick - Biro, Sandor | Mexican Defense | |
| Oct 23, 2025 | Biro | ½–½ | Chevelevitch | Round 3: Biro, Sandor - Chevelevitch, Evgueni, Dr. | Ruy Lopez: Morphy Defense, Mackenzie Variation | |
| Oct 22, 2025 | Bogdanov | ½–½ | Biro | Round 2: Bogdanov, Valentin - Biro, Sandor | Indian Defense: Polish Variation | |
| Oct 21, 2025 | Biro | 1–0 | Pagano | Round 1: Biro, Sandor - Pagano, Sergio | Caro-Kann Defense: Two Knights Attack | |
| Sep 28, 2025 | Werner | ½–½ | Biro | European individual senior chess championship 2025 - Open 65+, Rabac, Croatia | Ruy Lopez: Exchange Variation | |
| Jun 1, 2025 | Diachek | 1–0 | Biro | Zalakaros2025 | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| May 30, 2025 | Aczel | ½–½ | Biro | Zalakaros2025 | Zukertort Opening: Polish Defense | |
| May 27, 2025 | Biro | 0–1 | Kiss | Zalakaros2025 | Richter-Veresov Attack | |
| May 25, 2025 | Biro | ½–½ | Varadi | Zalakaros2025 | Scotch Game: Göring Gambit, Double Pawn Sacrifice | |
| Nov 28, 2024 | Biro | 0–1 | Legky | World Senior Chess Championship 2024 | Modern Defense: Standard Defense | |
| Nov 27, 2024 | Lederman | ½–½ | Biro | World Senior Chess Championship 2024 | Ruy Lopez: Open, Riga Variation | |
| Nov 26, 2024 | Biro | ½–½ | Vatter | World Senior Chess Championship 2024 | Sicilian Defense: Alapin Variation, Barmen Defense, Milner-Barry Attack | |
| Nov 25, 2024 | Chapman | ½–½ | Biro | World Senior Chess Championship 2024 | Queen's Gambit Declined: Chigorin Defense, Lazard Gambit | |
| Nov 24, 2024 | Biro | ½–½ | Silva | World Senior Chess Championship 2024 | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Nov 22, 2024 | Rivera | 0–1 | Biro | World Senior Chess Championship 2024 | Four Knights Game: Scotch Variation Accepted | |
| Nov 21, 2024 | Biro | 0–1 | Hugentobler | World Senior Chess Championship 2024 | French Defense: Horwitz Attack, Papa-Ticulat Gambit | |
| Nov 2, 2024 | Biro | ½–½ | Goormachtigh | Round 9: Biro, Sandor - Goormachtigh, Johan | Sicilian Defense: Alapin Variation | |
| Oct 26, 2024 | Pogorelov | 1–0 | Biro | Round 2: Pogorelov, Ruslan - Biro, Sandor | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| Jun 1, 2024 | Okhotnik | 1–0 | Biro | 43rd Zalakaros Chess Festival | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| May 31, 2024 | Videki | 1–0 | Biro | 43rd Zalakaros Chess Festival | Queen's Gambit Declined: Chigorin Defense, Main Line | |
| May 30, 2024 | Biro | 1–0 | Adarsh D | 43rd Zalakaros Chess Festival | Bird Opening: Dutch Variation | |
| May 29, 2024 | Medancic | 1–0 | Biro | 43rd Zalakaros Chess Festival | Ruy Lopez: Schliemann Defense, Tartakower Variation | |
| May 28, 2024 | Biro | 1–0 | Metaxasz | 43rd Zalakaros Chess Festival | Italian Game: Two Knights Defense, Max Lange Attack | |
| May 27, 2024 | Aczel | 1–0 | Biro | 43rd Zalakaros Chess Festival | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| May 26, 2024 | Biro | 1–0 | Jerabek | 43rd Zalakaros Chess Festival | Alekhine Defense: Maróczy Variation | |
| Oct 28, 2023 | Dario Doncevic | 1–0 | Sandor Biro | Round 4: Dario Doncevic - Sandor Biro | Grünfeld Defense: Exchange Variation | |
| Oct 27, 2023 | Sandor Biro | ½–½ | Rainer Knaak | 65+ World Senior Championship | Italian Game: Two Knights Defense, Max Lange Attack | |
| Oct 26, 2023 | Pigott | 0–1 | Biro | 65+ World Senior Championship | English Opening: King's English Variation | |
| Oct 25, 2023 | Biro | * | Finlay | 65+ World Senior Championship | ? | |
| Aug 10, 2023 | Sandor Biro | 0–1 | Arthur Pijpers | Round 4: Sandor Biro - Arthur Pijpers | Sicilian Defense: Moscow Variation | |
| Jul 19, 2023 | Sandor Biro | 0–1 | Mihnea-Ionut Ognean | Round 6: Sandor Biro - Mihnea-Ionut Ognean | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Jul 19, 2023 | Sandor Biro | 1–0 | Radu-Cristian Toma | Round 5: Sandor Biro - Radu-Cristian Toma | Sicilian Defense: Open | |
| Jul 17, 2023 | Sandor Biro | 0–1 | Dragos-Andrei Antonica | Round 3: Sandor Biro - Dragos-Andrei Antonica | French Defense: Two Knights Variation | |
| Nov 20, 2022 | Clemens Werner | 1–0 | Sandor Biro | Round 6 | 65+: Clemens Werner - Sandor Biro | Nimzowitsch Defense: El Columpio Defense | |