| Jun 21, 2026 | Petran | ½–½ | Kovacevic | 38th International Chess Tournament Open Pula 2026 | King's Indian Attack: Sicilian Variation | |
| Jun 20, 2026 | Adzic | 0–1 | Petran | 38th International Chess Tournament Open Pula 2026 | Caro-Kann Defense: Bronstein-Larsen Variation | |
| Jun 19, 2026 | Petran | ½–½ | Roth | 38th International Chess Tournament Open Pula 2026 | Hungarian Opening: Indian Defense | |
| May 24, 2026 | Petran | 1–0 | Panko | Reti memorial | Hungarian Opening | |
| May 24, 2026 | Jancovic | 1–0 | Petran | Reti memorial | Modern Defense: Kotov Variation | |
| May 24, 2026 | Petran | 1–0 | Syrovy | Reti memorial | Hungarian Opening: Slav Formation | |
| May 23, 2026 | Motuz | 1–0 | Petran | Tatrafest 2026 MSR seniorov 65+ | Modern Defense: Standard Line | |
| May 22, 2026 | Demeter | 1–0 | Petran | Tatrafest 2026 MSR seniorov 65+ | English Opening: Great Snake Variation | |
| May 21, 2026 | Petran | 1–0 | Janos | Tatrafest 2026 MSR seniorov 65+ | Hungarian Opening | |
| May 20, 2026 | Milovnik | 0–1 | Petran | Tatrafest 2026 MSR seniorov 65+ | Zukertort Opening: Sicilian Invitation | |
| May 19, 2026 | Petran | ½–½ | Musil | Tatrafest 2026 MSR seniorov 65+ | Hungarian Opening: Indian Defense | |
| May 18, 2026 | Cambel | ½–½ | Petran | Tatrafest 2026 MSR seniorov 65+ | Indian Defense: Accelerated London System | |
| May 17, 2026 | Petran | 1–0 | Topolovsky | Tatrafest 2026 MSR seniorov 65+ | Réti Opening: Anglo-Slav Variation, Torre System | |
| May 17, 2026 | Hasek | 0–1 | Petran | Tatrafest 2026 MSR seniorov 65+ | Pterodactyl Defense: Queen Pterodactyl, Quiet Line | |
| Apr 28, 2026 | Petran | 0–1 | Meister | Round 9: Petran, Peter - Meister, Jakob | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Apr 27, 2026 | Maryasin | 1–0 | Petran | Round 8: Maryasin, Boris - Petran, Peter | Modern Defense: Standard Line | |
| Apr 26, 2026 | Petran | 1–0 | Thorsteinsson | Round 7: Petran, Peter - Thorsteinsson, Thorsteinn | Hungarian Opening | |
| Apr 25, 2026 | Petran | ½–½ | Bekentayev | Round 6: Petran, Peter - Bekentayev, Uran | English Opening: Symmetrical Variation, Botvinnik System Reversed, with e3 | |
| Apr 23, 2026 | Lebret | 0–1 | Petran | Round 5: Lebret, Jean-Michel - Petran, Peter | Modern Defense: Standard Line | |
| Apr 23, 2026 | Petran | ½–½ | Banas | SVK Extraliga 2024/2025 | English Opening: Agincourt Defense | |
| Apr 23, 2026 | Petran | 1–0 | Cajka | SVK Extraliga 2024/2025 | English Opening: King's English Variation | |
| Apr 23, 2026 | Petran | ½–½ | Hrabusa | SVK Extraliga 2024/2025 | English Opening: Agincourt Defense | |
| Apr 23, 2026 | Elias | 1–0 | Petran | SVK Extraliga 2024/2025 | English Opening: Great Snake Variation | |
| Apr 23, 2026 | Maslik | 1–0 | Petran | SVK Extraliga 2024/2025 | Caro-Kann Defense: Panov Attack, Fianchetto Defense, Fianchetto Gambit | |
| Apr 23, 2026 | Petran | 0–1 | Halak | SVK Extraliga 2024/2025 | King's Indian Attack | |
| Apr 23, 2026 | Petran | ½–½ | Zvarik | SVK Extraliga 2024/2025 | Hungarian Opening | |
| Apr 21, 2026 | Large | ½–½ | Petran | Round 3: Large, Peter G - Petran, Peter | Pirc Defense: Classical Variation, Quiet System, Parma Defense | |
| Nov 1, 2025 | Petran | 0–1 | Kolesar | Round 11: Petran, Peter - Kolesar, Milan | Hungarian Opening: Indian Defense | |
| Oct 31, 2025 | Petran | 1–0 | Goldsmith | Round 10: Petran, Peter - Goldsmith, Alan D | Hungarian Opening: Indian Defense | |
| Oct 30, 2025 | Baimurzin | 1–0 | Petran | Round 9: Baimurzin, Aitkazy - Petran, Peter | English Opening: Great Snake Variation | |
| Oct 29, 2025 | Petran | ½–½ | Orpinas Konig | Round 8: Petran, Peter - Orpinas Konig, Claudio Javier | Hungarian Opening | |
| Oct 28, 2025 | Kozlov | 1–0 | Petran | Round 7: Kozlov, Oleg - Petran, Peter | Dutch Defense | |
| Oct 26, 2025 | Bekentayev | 0–1 | Petran | Round 6: Bekentayev, Uran - Petran, Peter | Modern Defense: Pseudo-Austrian Attack | |
| Oct 25, 2025 | Petran | 1–0 | Kowalczuk | Round 5: Petran, Peter - Kowalczuk, Wojciech | Hungarian Opening | |
| Oct 24, 2025 | Campora | 1–0 | Petran | Round 4: Campora, Daniel H. - Petran, Peter | Polish Opening | |
| Oct 23, 2025 | Petran | ½–½ | Renman | Round 3: Petran, Peter - Renman, Nils-Gustaf | King's Indian Attack: Keres Variation | |
| Oct 22, 2025 | Hauge | 0–1 | Petran | Round 2: Hauge, Tor Arne - Petran, Peter | Caro-Kann Defense: Euwe Attack | |
| Oct 21, 2025 | Petran | 1–0 | Steigum | Round 1: Petran, Peter - Steigum, Erling | Hungarian Opening: Sicilian Invitation | |
| Oct 5, 2025 | Petran | ½–½ | Chapman | European individual senior chess championship 2025 - Open 65+, Rabac, Croatia | Hungarian Opening | |
| Oct 4, 2025 | Boulard | ½–½ | Petran | European individual senior chess championship 2025 - Open 65+, Rabac, Croatia | Caro-Kann Defense: Gurgenidze System | |
| Oct 3, 2025 | Petran | ½–½ | Chevelevitch | European individual senior chess championship 2025 - Open 65+, Rabac, Croatia | English Opening: King's English Variation, Two Knights Variation, Smyslov System | |
| Oct 1, 2025 | Petran | 0–1 | Nunn | European individual senior chess championship 2025 - Open 65+, Rabac, Croatia | King's Indian Attack: Sicilian Variation | |
| Sep 30, 2025 | Petran | ½–½ | Ftacnik | European individual senior chess championship 2025 - Open 65+, Rabac, Croatia | Hungarian Opening | |
| Sep 29, 2025 | Page | ½–½ | Petran | European individual senior chess championship 2025 - Open 65+, Rabac, Croatia | Modern Defense: Standard Line | |
| Sep 28, 2025 | Petran | ½–½ | Simoncic | European individual senior chess championship 2025 - Open 65+, Rabac, Croatia | King's Indian Attack | |
| Jun 23, 2025 | De Waele | 1–0 | Petran | 37th International Chess Tournament Open Pula 2025 | Queen's Pawn Game: Modern Defense | |
| Jun 22, 2025 | Petran | ½–½ | Filipovic | 37th International Chess Tournament Open Pula 2025 | Hungarian Opening: Indian Defense | |
| Jun 19, 2025 | Ochedzan | ½–½ | Petran | 37th International Chess Tournament Open Pula 2025 | Caro-Kann Defense: Bronstein-Larsen Variation | |
| Jun 18, 2025 | Petran | ½–½ | Zufic | 37th International Chess Tournament Open Pula 2025 | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Jun 18, 2025 | Noy | ½–½ | Petran | 37th International Chess Tournament Open Pula 2025 | Modern Defense: Standard Line | |
| Apr 13, 2025 | Molnar | 1–0 | Petran | Tipos sachova extraliga | Modern Defense: Pseudo-Austrian Attack | |
| Apr 12, 2025 | Petran | ½–½ | Gyerpal | Tipos sachova extraliga | Réti Opening: Anglo-Slav Variation, Capablanca Variation | |
| Apr 11, 2025 | Petran | ½–½ | Benci | Tipos sachova extraliga | Hungarian Opening | |
| Mar 16, 2025 | Petran | 0–1 | Gay | Extraliga 2024 | English Opening: Symmetrical Variation | |
| Mar 15, 2025 | Hros | 1–0 | Petran | Extraliga 2024 | Modern Defense: Three Pawns Attack | |
| Feb 28, 2025 | Raja Rithvik R | 1–0 | Petran | PICF 2025 - KAREL JANEČEK Open | Modern Defense | |
| Feb 16, 2025 | Petran | ½–½ | Garban | Extraliga 2025 | English Opening: Symmetrical Variation, Normal Variation | |
| Jan 19, 2025 | Petran | 1–0 | Rucek | Extraliga 2024/25 | Tarrasch Defense: Classical Variation | |
| Jan 18, 2025 | Petran | ½–½ | Bury | SVK Extraliga 2024/2025 | King's Indian Attack | |
| Nov 24, 2024 | Stevik | 1–0 | Petran | SVK Extraliga 2024/2025 | Slav Defense: Czech Variation, Classical System | |
| Nov 23, 2024 | Petran | ½–½ | Varga | SVK Extraliga 2024/2025 | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Nov 2, 2024 | Malmdin | ½–½ | Petran | Round 9: Malmdin, Nils-Ake - Petran, Peter | Caro-Kann Defense: Bronstein-Larsen Variation | |
| Nov 1, 2024 | Petran | 0–1 | Chevelevitch | Round 8: Petran, Peter - Chevelevitch, Evgueni, Dr. | King's Indian Attack: Wahls Defense | |
| Oct 31, 2024 | Nunn | ½–½ | Petran | Round 7: Nunn, John D M - Petran, Peter | Modern Defense: Pseudo-Austrian Attack | |
| Oct 30, 2024 | Petran | 1–0 | Alquist | Round 6: Petran, Peter - Alquist, Erik | Hungarian Opening: Sicilian Invitation | |
| Oct 29, 2024 | Gnirenko | 0–1 | Petran | Round 5: Gnirenko, Vitaliy - Petran, Peter | Pirc Defense: Classical Variation, Quiet System, Parma Defense | |
| Oct 28, 2024 | Petran | 0–1 | Sturua | Round 4: Petran, Peter - Sturua, Zurab | Neo-Grünfeld Defense: Classical Variation, Modern Defense | |
| Aug 3, 2024 | Petran | 1–0 | Gregor | k cero | Hungarian Opening | |
| Aug 3, 2024 | Petran | 1–0 | Vavra | k cero | King's Indian Attack: Wahls Defense | |
| Aug 3, 2024 | Petran | 1–0 | Boleslav | k cero | Hungarian Opening: Indian Defense | |
| Aug 3, 2024 | Jablonicky | ½–½ | Petran | k cero | Zukertort Opening: Kingside Fianchetto | |
| Aug 3, 2024 | Chovan | 1–0 | Petran | k cero | Modern Defense: Kotov Variation | |
| Aug 3, 2024 | Navratil | 0–1 | Petran | k cero | Modern Defense: Standard Line | |
| Aug 3, 2024 | Martiska | ½–½ | Petran | k cero | Slav Defense: Alapin Variation | |
| Jul 11, 2024 | Petran | 0–1 | Staub | 65-1 | Hungarian Opening | |
| Jul 10, 2024 | Andersson | 0–1 | Petran | wstcc2024o65 | Modern Defense: Standard Line | |
| Jul 9, 2024 | Maryasin | 0–1 | Petran | 65-1 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jul 7, 2024 | Petran | 0–1 | Roos | 65-1 | Hungarian Opening | |
| Jul 6, 2024 | Petran | ½–½ | Vinke | 65-1 | King's Indian Attack: Double Fianchetto | |
| Jul 5, 2024 | Chapman | ½–½ | Petran | 65-1 | Dutch Defense | |
| Jul 4, 2024 | Petran | 1–0 | Beaumont | 65-1 | Hungarian Opening: Sicilian Invitation | |
| Jul 3, 2024 | Aragones-Melhem | ½–½ | Petran | 65-1 | Caro-Kann Defense: Bronstein-Larsen Variation | |
| Jul 2, 2024 | Petran | 1–0 | Irlik | 65-1 | Zukertort Opening: Kingside Fianchetto | |
| Jun 24, 2024 | Platonovs | 1–0 | Petran | 36th International Chess Tournament Open Pula 2024 | Modern Defense: Standard Line | |
| Jun 23, 2024 | Petran | 0–1 | Golding | 36th International Chess Tournament Open Pula 2024 | King's Indian Attack: French Variation | |
| Jun 22, 2024 | Nesterenko | 0–1 | Petran | 36th International Chess Tournament Open Pula 2024 | Queen's Pawn Game: Modern Defense | |
| Jun 21, 2024 | Petran | ½–½ | Wegerer | 36th International Chess Tournament Open Pula 2024 | Zukertort Opening: Kingside Fianchetto | |
| Jun 20, 2024 | Rakovsky | ½–½ | Petran | 36th International Chess Tournament Open Pula 2024 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jun 19, 2024 | Petran | 1–0 | Novak | 36th International Chess Tournament Open Pula 2024 | Hungarian Opening: Symmetrical Variation | |
| Jun 18, 2024 | Beber | ½–½ | Petran | 36th International Chess Tournament Open Pula 2024 | King's Indian Defense: Orthodox Variation | |
| May 15, 2024 | Hentunen | ½–½ | Petran | European Senior Team Chess Championship 2024 - Section 65 + | English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | |
| May 14, 2024 | Kierzek | ½–½ | Petran | European Senior Team Chess Championship 2024 - Section 65 + | Modern Defense: Averbakh System | |
| May 13, 2024 | Petran | ½–½ | Giffard | European Senior Team Chess Championship 2024 - Section 65 + | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Exchange Line | |
| May 12, 2024 | Petran | 1–0 | Mazi | European Senior Team Chess Championship 2024 - Section 65 + | Zukertort Opening: Dutch Variation | |
| May 11, 2024 | Van Herck | ½–½ | Petran | European Senior Team Chess Championship 2024 - Section 65 + | Modern Defense | |
| May 10, 2024 | Petran | ½–½ | Baker | European Senior Team Chess Championship 2024 - Section 65 + | Tarrasch Defense: Classical Variation | |
| May 9, 2024 | Mravunac | 0–1 | Petran | European Senior Team Chess Championship 2024 - Section 65 + | Modern Defense: Standard Line | |
| May 8, 2024 | Petran | 1–0 | Volosin | European Senior Team Chess Championship 2024 - Section 65 + | King's Indian Attack | |
| May 7, 2024 | Soderberg | ½–½ | Petran | European Senior Team Chess Championship 2024 - Section 65 + | Caro-Kann Defense: Panov Attack, Fianchetto Defense, Fianchetto Gambit | |
| Feb 24, 2024 | Gasa | 1–0 | Petran | Extraliga 2023/2024 | Pirc Defense: Classical Variation, Schlechter Variation | |