| May 17, 2026 | Movsesian | 1–0 | Mostbauer | Round 9: Movsesian, Sergei - Mostbauer, Florian | King's Indian Attack | |
| May 17, 2026 | Mostbauer | ½–½ | Raczek | Round 5: Mostbauer, Florian - Raczek, Krzysztof | Queen's Pawn Game: Zukertort Variation | |
| May 17, 2026 | Warmerdam | ½–½ | Mostbauer | Round 4: Warmerdam, Max - Mostbauer, Florian | King's Indian Attack | |
| May 17, 2026 | Mostbauer | * | Gajic | Round 2: Mostbauer, Florian - Gajic, Rade | ? | |
| May 16, 2026 | Movsesian | 1–0 | Mostbauer | Round 10: Movsesian, Sergei - Mostbauer, Florian | Caro-Kann Defense: Advance Variation | |
| May 16, 2026 | Mostbauer | 0–1 | Warmerdam | Round 8: Mostbauer, Florian - Warmerdam, Max | Indian Defense: Przepiorka Variation | |
| May 16, 2026 | Mostbauer | ½–½ | Paszewski | Round 7: Mostbauer, Florian - Paszewski, Mateusz | Queen's Pawn Game: Symmetrical Variation | |
| May 16, 2026 | Baidetskyi | 1–0 | Mostbauer | Round 4: Baidetskyi, Valentin - Mostbauer, Florian | Caro-Kann Defense: Advance Variation | |
| Jan 24, 2026 | Mostbauer | ½–½ | Avila Bautista | Marienbad Open 2026 | Indian Defense: Przepiorka Variation | |
| Jan 22, 2026 | Smietanska | ½–½ | Mostbauer | Marienbad Open 2026 | Caro-Kann Defense: Tartakower Variation | |
| Jan 21, 2026 | Mostbauer | 1–0 | Del Rey | Marienbad Open 2026 | English Opening: Great Snake Variation | |
| Jan 20, 2026 | Korszanski | ½–½ | Mostbauer | Marienbad Open 2026 | Caro-Kann Defense: Panov Attack, Modern Defense | |
| Jan 20, 2026 | Mostbauer | ½–½ | Sliwerski | Marienbad Open 2026 | Trompowsky Attack | |
| Jan 19, 2026 | Matras | 0–1 | Mostbauer | Marienbad Open 2026 | Queen's Gambit Declined: Cambridge Springs Defense, Bogoljubow Variation | |
| Jan 18, 2026 | Mostbauer | 1–0 | Dunnington | Marienbad Open 2026 | Modern Defense | |
| Jan 17, 2026 | Neelash Saha | ½–½ | Mostbauer | Marienbad Open 2026 | Zukertort Opening | |
| Jan 17, 2026 | Krzywda | ½–½ | Mostbauer | Marienbad Open 2026 | Caro-Kann Defense: Advance Variation | |
| Jun 28, 2025 | Mostbauer | 1–0 | Zorko | Round 9: Mostbauer, Florian - Zorko, Jure | English Opening: King's English Variation | |
| Jun 26, 2025 | Sofronie | ½–½ | Mostbauer | Round 7: Sofronie, Iulian - Mostbauer, Florian | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Jun 25, 2025 | Aakanksha Hagawane | 0–1 | Mostbauer | Round 5: Aakanksha Hagawane - Mostbauer, Florian | Caro-Kann Defense: Two Knights Attack | |
| Jun 23, 2025 | Vincenti | 0–1 | Mostbauer | Round 2: Vincenti, Leonardo - Mostbauer, Florian | Caro-Kann Defense: Forgacs Variation | |
| Jun 22, 2025 | Mostbauer | 1–0 | Lezzerini | Round 1: Mostbauer, Florian - Lezzerini, Marco | Zukertort Opening | |
| Jun 18, 2025 | Sofronie | ½–½ | Mostbauer | Round 8: Sofronie, Vladimir - Mostbauer, Florian | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Jun 18, 2025 | Mostbauer | ½–½ | Visakh N R | Round 6: Mostbauer, Florian - Visakh N R | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jun 18, 2025 | Mostbauer | ½–½ | Sukovic | Round 3: Mostbauer, Florian - Sukovic, Andrej | English Opening: Great Snake Variation | |
| Jun 1, 2025 | Sarana | 1–0 | Mostbauer | Round 5: Sarana, Alexey - Mostbauer, Florian | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jun 1, 2025 | Palac | ½–½ | Mostbauer | Round 3: Palac, Mladen - Mostbauer, Florian | Caro-Kann Defense: Exchange Variation | |
| Jan 2, 2025 | Mostbauer | * | Sala | Round 8: Mostbauer, Florian - Sala, Giulia | ? | |
| Jan 1, 2025 | Orsatti | * | Mostbauer | Round 7: Orsatti, Marcello - Mostbauer, Florian | ? | |
| Jul 20, 2024 | Mostbauer | 1–0 | Steiner | Round 7: Mostbauer, Florian - Steiner, Heinz | Zukertort Opening: Sicilian Invitation | |
| Jul 20, 2024 | Orsolic | 0–1 | Mostbauer | Round 6: Orsolic, Marijan - Mostbauer, Florian | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Jul 20, 2024 | Grausgruber | 0–1 | Mostbauer | Round 5: Grausgruber, Rene - Mostbauer, Florian | Caro-Kann Defense: Panov Attack, Modern Defense, Mieses Line | |
| Jul 20, 2024 | Mostbauer | 1–0 | Griessenberger | Round 4: Mostbauer, Florian - Griessenberger, Markus | Zukertort Opening | |
| Jul 20, 2024 | Fuchs | 1–0 | Mostbauer | Round 3: Fuchs, Patrick - Mostbauer, Florian | Caro-Kann Defense: Exchange Variation | |
| Jul 20, 2024 | Mostbauer | 1–0 | Karner | Round 2: Mostbauer, Florian - Karner, Daniel | Indian Defense: Spielmann-Indian | |
| Jul 20, 2024 | Kilzer | 0–1 | Mostbauer | Round 1: Kilzer, Silke-Dorothea - Mostbauer, Florian | English Opening: Caro-Kann Defensive System | |
| Jun 30, 2024 | Mostbauer | ½–½ | Sandalakis | Round 9: Mostbauer, Florian - Sandalakis, Nikolaos | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Jun 29, 2024 | Mostbauer | ½–½ | Stefanova | Round 8: Mostbauer, Florian - Stefanova, Antoaneta | Yusupov-Rubinstein System | |
| Jun 28, 2024 | Budisavljevic | ½–½ | Mostbauer | Round 7: Budisavljevic, Luka - Mostbauer, Florian | English Opening: Caro-Kann Defensive System | |
| Jun 27, 2024 | Sibashvili | 0–1 | Mostbauer | Round 6: Sibashvili, Giorgi - Mostbauer, Florian | English Opening: Caro-Kann Defensive System | |
| Jun 26, 2024 | Mostbauer | ½–½ | Hofstadler | Round 5: Mostbauer, Florian - Hofstadler, Mario | Caro-Kann Defense: Advance Variation | |
| Jun 25, 2024 | Ladopoulos | ½–½ | Mostbauer | Round 4: Ladopoulos, Dimitrios - Mostbauer, Florian | Four Knights Game: Spanish Variation, Double Spanish | |
| Jun 23, 2024 | Witczak | 0–1 | Mostbauer | Round 2: Witczak, Borys - Mostbauer, Florian | Tarrasch Defense | |
| Jun 22, 2024 | Mostbauer | 1–0 | Avramopoulos | Round 1: Mostbauer, Florian - Avramopoulos, Periklis | Indian Defense: London System | |
| Jun 22, 2024 | Mostbauer | ½–½ | Nasuta | Round 3: Mostbauer, Florian - Nasuta, Grzegorz | Queen's Pawn Game: Symmetrical Variation | |
| Dec 31, 2024 | Mostbauer | * | Rubinshtein | Round 6: Mostbauer, Florian - Rubinshtein, Kamilla | ? | |
| Dec 30, 2024 | Verga | * | Mostbauer | Round 5: Verga, Francesco - Mostbauer, Florian | ? | |
| Dec 29, 2024 | Mostbauer | * | Candian | Round 4: Mostbauer, Florian - Candian, Lorenzo | ? | |
| Dec 29, 2024 | Tejaswini G | * | Mostbauer | Round 3: Tejaswini G - Mostbauer, Florian | ? | |
| Dec 28, 2024 | Mostbauer | 0–1 | Sepehrkhoui | Round 2: Mostbauer, Florian - Sepehrkhoui, Ardeshir | King's Indian Defense: Fianchetto Variation, Kavalek Defense | |
| Dec 27, 2024 | Cocchi | 0–1 | Mostbauer | Round 1: Cocchi, Andrea - Mostbauer, Florian | Zukertort Opening | |
| Sep 21, 2022 | Callsen | 0–1 | Mostbauer | Hit Open 2022 | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Sep 20, 2022 | Mostbauer | 1–0 | Teo | Hit Open 2022 | Tarrasch Defense: Dubov Tarrasch | |
| Sep 19, 2022 | Ivsek | 0–1 | Mostbauer | Hit Open 2022 | Rapport-Jobava System | |
| Sep 18, 2022 | Mostbauer | ½–½ | Krivenko | Hit Open 2022 | Indian Defense: Przepiorka Variation | |
| Sep 17, 2022 | Mostbauer | 0–1 | Davies | Hit Open 2022 | English Opening: Agincourt Defense | |
| Sep 17, 2022 | Marchesich | ½–½ | Mostbauer | Hit Open 2022 | Caro-Kann Defense: Endgame Variation | |
| Sep 16, 2022 | Beliavsky | ½–½ | Mostbauer | 26th HIT Open | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Jul 8, 2021 | Sykora | 0–1 | Mostbauer | České Budějovice Open | A | Caro-Kann Defense: Two Knights Attack | |
| Jul 6, 2021 | Lajbl | 1–0 | Mostbauer | České Budějovice Open | A | Caro-Kann Defense: Maróczy Variation | |
| Jul 5, 2021 | Mostbauer | 0–1 | Havelka | České Budějovice Open | A | Torre Attack: Fianchetto Defense | |
| Jul 3, 2021 | Mostbauer | ½–½ | Zelbova | České Budějovice Open | A | Semi-Slav Defense | |
| Jul 2, 2021 | Medunova | 0–1 | Mostbauer | České Budějovice Open | A | Caro-Kann Defense: Tartakower Variation | |
| Jul 1, 2021 | Mostbauer | 1–0 | Janous | České Budějovice Open | A | Indian Defense: Pseudo-Benko | |
| Jun 6, 2021 | Mostbauer | ½–½ | Hofstadler | Austrian Blitz Championship | Slav Defense: Exchange Variation | |
| Jun 6, 2021 | Mostbauer | 1–0 | Nolz | Austrian Blitz Championship | Indian Defense: London System | |
| Jun 6, 2021 | Mostbauer | 0–1 | Blohberger | Austrian Blitz Championship | Torre Attack: Fianchetto Defense | |
| Jun 6, 2021 | Mostbauer | 0–1 | Schreiner | Austrian Blitz Championship | Queen's Pawn Game: Torre Attack, Grünfeld Variation, Main Line | |
| Jun 6, 2021 | Ragger | ½–½ | Mostbauer | Austrian Blitz Championship | Caro-Kann Defense: Two Knights Attack | |
| Jun 6, 2021 | Balint | 0–1 | Mostbauer | Austrian Blitz Championship | Caro-Kann Defense: Panov Attack, Modern Defense, Mieses Line | |
| Jun 6, 2021 | Morgunov | 1–0 | Mostbauer | Austrian Blitz Championship | Caro-Kann Defense: Two Knights Attack | |
| Jun 5, 2021 | Mostbauer | 1–0 | Mira | Austrian Rapid Championship | ? | |
| Jun 5, 2021 | Mostbauer | ½–½ | Leisch | Austrian Rapid Championship | Queen's Pawn Game: London System | |
| Jun 5, 2021 | Mostbauer | 1–0 | Gattermayer | Austrian Rapid Championship | Pseudo Queen's Indian Defense | |
| Jun 5, 2021 | Enoeckl | 1–0 | Mostbauer | Austrian Rapid Championship | Slav Defense: Quiet Variation, Pin Defense | |
| Jun 5, 2021 | Borrmann | ½–½ | Mostbauer | Austrian Rapid Championship | ? | |