| — | Postlmayer | ½–½ | Saraci | WRBC 2022. Rapid Open | Four Knights Game: Scotch Variation Accepted | |
| — | Postlmayer | 0–1 | Mamatov | WRBC 2022. Blitz Open | English Opening: Anglo-Indian Defense | |
| — | Postlmayer | 0–1 | Khusnutdinov | WRBC 2022. Blitz Open | Scandinavian Defense: Main Line | |
| — | Postlmayer | 0–1 | Degenbaev | WRBC 2022. Blitz Open | Dutch Defense: Queen's Knight Variation | |
| — | Postlmayer | 0–1 | Amilal | WRBC 2022. Blitz Open | Queen's Indian Defense: Capablanca Variation | |
| — | Postlmayer | 1–0 | Akhilbay | WRBC 2022. Blitz Open | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| — | Postlmayer | * | Sankalp | WRBC 2022. Blitz Open | French Defense: Steinitz Variation, Boleslavsky Variation | |
| — | Postlmayer | 0–1 | Kostenko | WRBC 2022. Blitz Open | Caro-Kann Defense: Two Knights Attack | |
| — | Postlmayer | ½–½ | Aleksandrov | WRBC 2022. Blitz Open | Catalan Opening: Open Defense, Modern Sharp Variation | |
| — | Postlmayer | 1–0 | Elier | WRBC 2022. Blitz Open | Queen's Gambit Declined: Semi-Tarrasch Defense | |
| — | Cheng | 1–0 | Postlmayer | WRBC 2022. Rapid Open | Catalan Opening: Open Defense, Modern Sharp Variation | |
| — | Haldorsen | 1–0 | Postlmayer | WRBC 2022. Blitz Open | Four Knights Game: Scotch Variation Accepted | |
| — | Zhigalko | 1–0 | Postlmayer | WRBC 2022. Blitz Open | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| — | Everett | ½–½ | Postlmayer | WRBC 2022. Blitz Open | Sicilian Defense: Najdorf Variation, English Attack | |
| — | Nissinen | 0–1 | Postlmayer | WRBC 2022. Blitz Open | Caro-Kann Defense: Tartakower Variation | |
| — | Amangeldy | ½–½ | Postlmayer | WRBC 2022. Blitz Open | Trompowsky Attack | |
| — | Maze | 1–0 | Postlmayer | WRBC 2022. Blitz Open | Petrov's Defense: Karklins-Martinovsky Variation | |
| — | Gadimbayli | 0–1 | Postlmayer | WRBC 2022. Blitz Open | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| — | Tsaruk | 1–0 | Postlmayer | WRBC 2022. Blitz Open | Caro-Kann Defense: Tartakower Variation | |
| May 15, 2026 | Plat | ½–½ | Postlmayer | Round 8: Plat, Vojtech - Postlmayer, Jakob | French Defense: Tarrasch Variation, Chistyakov Defense | |
| May 15, 2026 | Postlmayer | 0–1 | Subelj | Round 7: Postlmayer, Jakob - Subelj, Jan | Queen's Gambit Declined: Barmen Variation | |
| May 15, 2026 | Peyrer | 0–1 | Postlmayer | Round 6: Peyrer, Konstantin - Postlmayer, Jakob | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| May 15, 2026 | Postlmayer | ½–½ | Samunenkov | Round 5: Postlmayer, Jakob - Samunenkov, Ihor | Queen's Gambit Declined: Cambridge Springs Defense, Rubinstein Variation | |
| Apr 6, 2026 | Amar | 1–0 | Postlmayer | Grenke Chess Festival 2026 Open | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Apr 6, 2026 | Postlmayer | 1–0 | Dayal | Grenke Chess Festival 2026 Open | English Opening: Mikenas-Carls Variation | |
| Apr 5, 2026 | Postlmayer | ½–½ | Yildiz | Grenke Chess Festival 2026 Open | Queen's Gambit Accepted | |
| Apr 5, 2026 | Vyval | 0–1 | Postlmayer | Grenke Chess Festival 2026 Open | Sicilian Defense: Taimanov Variation | |
| Apr 4, 2026 | Postlmayer | 1–0 | Petersen | Grenke Chess Festival 2026 Open | Queen's Gambit Declined: Harrwitz Attack | |
| Apr 3, 2026 | Lichtmannecker | ½–½ | Postlmayer | Grenke Chess Festival 2026 Open | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Apr 2, 2026 | Postlmayer | 1–0 | Schlenker | Grenke Chess Festival 2026 Open | Modern Defense: Standard Line | |
| Jul 27, 2025 | Postlmayer | 1–0 | Schernthaner | Round 9: Postlmayer, Jakob - Schernthaner, David | French Defense: Winawer Variation, Petrosian Variation | |
| Jul 26, 2025 | Borrmann | 0–1 | Postlmayer | Round 8: Borrmann, Laurenz - Postlmayer, Jakob | Semi-Slav Defense: Normal Variation | |
| Jul 25, 2025 | Postlmayer | ½–½ | Dotzer | Round 7: Postlmayer, Jakob - Dotzer, Lukas | Nimzo-Indian Defense: Classical Variation | |
| Jul 24, 2025 | Badelka | 0–1 | Postlmayer | Round 6: Badelka, Olga - Postlmayer, Jakob | Queen's Gambit Declined | |
| Jul 23, 2025 | Postlmayer | 0–1 | Horvath | Round 5: Postlmayer, Jakob - Horvath, Dominik | King's Indian Defense: Semi-Averbakh System | |
| Jul 22, 2025 | Balint | 1–0 | Postlmayer | Round 4: Balint, Peter - Postlmayer, Jakob | King's Indian Attack: Symmetrical Defense | |
| Jul 21, 2025 | Postlmayer | ½–½ | Peyrer | Round 3: Postlmayer, Jakob - Peyrer, Konstantin | King's Indian Defense: Semi-Averbakh System | |
| Jul 19, 2025 | Blohberger | 1–0 | Postlmayer | Round 1: Blohberger, Felix - Postlmayer, Jakob | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Jul 15, 2025 | Dragnev | 1–0 | Postlmayer | Round 2: Dragnev, Valentin - Postlmayer, Jakob | French Defense: Steinitz Variation, Boleslavsky Variation | |
| May 31, 2025 | Movsesian | 1–0 | Postlmayer | Round 10: Movsesian, Sergei - Postlmayer, Jakob | Petrov's Defense: Modern Attack, Center Variation | |
| May 31, 2025 | Postlmayer | 0–1 | Subelj | Round 9: Postlmayer, Jakob - Subelj, Jan | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 31, 2025 | Postlmayer | 0–1 | Balog | Round 5: Postlmayer, Jakob - Balog, Imre | Slav Defense: Exchange Variation | |
| May 30, 2025 | Postlmayer | 0–1 | Rodshtein | Round 2: Postlmayer, Jakob - Rodshtein, Maxim | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| May 29, 2025 | Movsesian | 1–0 | Postlmayer | Round 10: Movsesian, Sergei - Postlmayer, Jakob | Petrov's Defense: Modern Attack, Center Variation | |
| May 29, 2025 | Postlmayer | 0–1 | Subelj | Round 9: Postlmayer, Jakob - Subelj, Jan | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 29, 2025 | Postlmayer | 0–1 | Balog | Round 5: Postlmayer, Jakob - Balog, Imre | Slav Defense: Exchange Variation | |
| Apr 21, 2025 | Postlmayer | ½–½ | Weihrauch | Grenke Chess Open A | Nimzo-Indian Defense: Classical Variation | |
| Apr 21, 2025 | Woodward | 1–0 | Postlmayer | Round 8: Woodward, Andy - Postlmayer, Jakob | Slav Defense: Czech Variation, Dutch Variation | |
| Apr 20, 2025 | Postlmayer | 1–0 | Knuedel | Round 7: Postlmayer, Jakob - Knuedel, Torben | English Opening: Agincourt Defense | |
| Apr 20, 2025 | Bracker | ½–½ | Postlmayer | Round 6: Bracker, Frank - Postlmayer, Jakob | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Apr 19, 2025 | Postlmayer | ½–½ | Ivic | Round 5: Postlmayer, Jakob - Ivic, Velimir | King's Indian Defense: Sämisch Variation, Sämisch Gambit | |
| Apr 19, 2025 | Safarli | ½–½ | Postlmayer | Round 4: Safarli, Eltaj - Postlmayer, Jakob | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Apr 18, 2025 | Postlmayer | 1–0 | Boehme | Round 2: Postlmayer, Jakob - Boehme, Markus | Queen's Gambit Declined: Three Knights Variation | |
| Apr 18, 2025 | Postlmayer | 1–0 | Schimnatkowski | Round 3: Postlmayer, Jakob - Schimnatkowski, Lukas | Bogo-Indian Defense: Nimzowitsch Variation | |
| Apr 5, 2025 | Smith | 0–1 | Postlmayer | Round 10: Smith, Bryan - Postlmayer, Jakob | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Apr 4, 2025 | Postlmayer | 1–0 | Csonka | Round 9: Postlmayer, Jakob - Csonka, Balazs | French Defense: Advance Variation, Euwe Variation | |
| Jul 29, 2024 | Postlmayer | 1–0 | Sekyra | Round 3: Postlmayer, Jakob - Sekyra, Michael | Queen's Gambit Declined: Three Knights, Vienna Variation | |
| Jul 28, 2024 | Hersel | ½–½ | Postlmayer | Round 2: Hersel, Richard - Postlmayer, Jakob | Sicilian Defense: Taimanov Variation | |
| Jul 27, 2024 | Postlmayer | 1–0 | Buchegger | Round 1: Postlmayer, Jakob - Buchegger, Fridolin | Grünfeld Defense: Russian Variation, Byrne Variation | |
| Aug 4, 2024 | Peyrer | 0–1 | Postlmayer | Round 9: Peyrer, Konstantin - Postlmayer, Jakob | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Aug 3, 2024 | Postlmayer | 1–0 | Leitgeb | Round 8: Postlmayer, Jakob - Leitgeb, Julian | Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation | |
| Aug 2, 2024 | Postlmayer | 0–1 | Schwabeneder | Round 7: Postlmayer, Jakob - Schwabeneder, Florian | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Aug 1, 2024 | Breneis | 1–0 | Postlmayer | Round 6: Breneis, Lukas - Postlmayer, Jakob | Sicilian Defense: Moscow Variation | |
| Jul 31, 2024 | Postlmayer | 1–0 | Schloffer | Round 5: Postlmayer, Jakob - Schloffer, Jasmin-Denise | English Opening: Mikenas-Carls Variation | |
| Jul 30, 2024 | Dragnev | ½–½ | Postlmayer | Round 4: Dragnev, Valentin - Postlmayer, Jakob | French Defense: Burn Variation | |
| Dec 29, 2022 | Postlmayer | 0–1 | Christiansen | FIDE World Blitz Championship | English Opening: Symmetrical Variation, Anti-Benoni Variation | |
| Dec 29, 2022 | Moiseenko | 1–0 | Postlmayer | FIDE World Blitz Championship | Semi-Slav Defense Accepted | |
| Dec 29, 2022 | Damjanovic | 1–0 | Postlmayer | FIDE World Blitz Championship | Rapport-Jobava System | |
| Dec 28, 2022 | Postlmayer | 0–1 | Kostenko | WRBC 2022. Rapid Open | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation | |
| Dec 28, 2022 | Shishkov | 0–1 | Postlmayer | FIDE World Rapid Championship | Nimzo-Indian Defense: Normal Variation | |
| Dec 28, 2022 | Burmakin | 1–0 | Postlmayer | WRBC 2022. Rapid Open | King's Indian Attack: Double Fianchetto | |
| Dec 27, 2022 | Postlmayer | ½–½ | Haldorsen | WRBC 2022. Rapid Open | Queen's Pawn Game: Modern Defense | |
| Dec 27, 2022 | Postlmayer | 0–1 | Svane | WRBC 2022. Rapid Open | Queen's Gambit Declined: Barmen Variation | |
| Dec 27, 2022 | Nissinen | 0–1 | Postlmayer | WRBC 2022. Rapid Open | Sicilian Defense: Najdorf Variation | |
| Dec 27, 2022 | Ghasi | ½–½ | Postlmayer | WRBC 2022. Rapid Open | King's Indian Attack: Pachman System | |
| Dec 26, 2022 | Postlmayer | 0–1 | Sanal | WRBC 2022. Rapid Open | Semi-Slav Defense: Anti-Moscow Gambit | |
| Dec 26, 2022 | Postlmayer | 0–1 | Khusnutdinov | FIDE World Rapid Championship | English Opening | |
| Dec 26, 2022 | Postlmayer | 0–1 | Kazakov | FIDE World Rapid Championship | Queen's Indian Defense: Classical Variation, Polugaevsky Gambit | |
| Dec 26, 2022 | Begmuratov | ½–½ | Postlmayer | FIDE World Rapid Championship | Four Knights Game: Scotch Variation Accepted | |
| — | Postlmayer | 1–0 | Ptacnikova | Olomouc 2025ab | Nimzo-Indian Defense: Kmoch Variation | |
| — | Postlmayer | ½–½ | Lalic | Olomouc 2025ab | Queen's Gambit Declined: Janowski Variation | |
| — | Postlmayer | 1–0 | Warchol | Olomouc 2025ab | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| — | Postlmayer | 1–0 | Biolek | Olomouc 2025ab | Queen's Gambit Declined: Harrwitz Attack, Main Line | |
| — | Postlmayer | ½–½ | Filindash | OCS A | Semi-Slav Defense: Marshall Gambit, Main Line | |
| — | Bokhnak | 0–1 | Postlmayer | Olomouc 2025ab | Sicilian Defense: Classical Variation | |
| — | Jurek | ½–½ | Postlmayer | Olomouc 2025ab | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Rare Line | |
| — | Arora Honi | 0–1 | Postlmayer | Olomouc 2025ab | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| — | Kejna | ½–½ | Postlmayer | OCS A | French Defense: Exchange Variation | |