| Apr 17, 2026 | Skuhala | 1–0 | Katter | 1BLwomen | King's Pawn Game | |
| Feb 8, 2026 | Katter | 0–1 | Danielian | Frauen Bundesliga | Bogo-Indian Defense: Grünfeld Variation | |
| Feb 7, 2026 | Brunello | 1–0 | Katter | Frauen Bundesliga | Sicilian Defense: Najdorf Variation, English Attack | |
| Feb 6, 2026 | Katter | 0–1 | Frey | Frauen Bundesliga | East Indian Defense | |
| Dec 14, 2025 | Bashylina | 0–1 | Katter | Round 3: Bashylina, Luisa - Katter, Katharina | King's Indian Defense: Makogonov Variation | |
| Dec 13, 2025 | Katter | ½–½ | Janzelj | Round 2: Katter, Katharina - Janzelj, Lara | Queen's Gambit Declined: Albin Countergambit, Normal Line | |
| Dec 12, 2025 | Konecny | 0–1 | Katter | Round 1: Konecny, Sophie - Katter, Katharina | Bird Opening | |
| May 22, 2025 | Katter | 1–0 | Alfano | Mitropa 2025 Women | Queen's Gambit Declined | |
| May 21, 2025 | Sevcikova | 1–0 | Katter | Mitropa 2025 Women | Nimzo-Indian Defense: Three Knights Variation | |
| May 20, 2025 | Katter | 0–1 | Sedina | Mitropa 2025 Women | Slav Defense: Alapin Variation | |
| May 19, 2025 | Radikovic | 0–1 | Katter | Mitropa 2025 Women | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| May 18, 2025 | Katter | 0–1 | Toth | Mitropa 2025 Women | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| May 17, 2025 | Shatil | 1–0 | Katter | Mitropa 2025 Women | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| May 16, 2025 | Trunz | ½–½ | Katter | Mitropa 2025 Women | Queen's Indian Defense: Spassky System | |
| May 15, 2025 | Katter | 0–1 | Macek | Mitropa 2025 Women | Queen's Gambit Accepted: Classical Defense, Steinitz Variation, Development Variation | |
| May 14, 2025 | Zelbova | 1–0 | Katter | Mitropa 2025 Women | Queen's Pawn Game: Barry Attack, Grünfeld Variation | |
| Mar 30, 2025 | Butenandt | 0–1 | Katter | Round 9: Butenandt, Svenja - Katter, Katharina | Nimzo-Indian Defense: Reshevsky Variation | |
| Mar 29, 2025 | Katter | 1–0 | Janzelj | Round 8: Katter, Katharina - Janzelj, Lara | Slav Defense: Czech Variation, Carlsbad Variation, Morozevich Variation | |
| Mar 28, 2025 | Unuk | 1–0 | Katter | Round 7: Unuk, Laura - Katter, Katharina | Rapport-Jobava System | |
| Mar 2, 2025 | Katter | 0–1 | Starosta | Round 6: Katter, Katharina - Starosta, Martyna | Blumenfeld Countergambit | |
| Mar 1, 2025 | Brunello | 1–0 | Katter | Round 5: Brunello, Marina - Katter, Katharina | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Feb 28, 2025 | Katter | ½–½ | Bashylina | Round 4: Katter, Katharina - Bashylina, Luisa | Semi-Slav Defense: Stoltz Variation | |
| Jul 29, 2024 | Peyrer | ½–½ | Katter | Round 3: Peyrer, Konstantin - Katter, Katharina | English Opening: Anglo-Indian Defense | |
| Jul 28, 2024 | Katter | 1–0 | Balint | Round 2: Katter, Katharina - Balint, Peter | Grünfeld Defense: Three Knights Variation | |
| Jul 27, 2024 | Katter | 1–0 | Exler | Round 1: Katter, Katharina - Exler, Veronika | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Jun 18, 2024 | Katter | 0–1 | Hadzovic | 36th International Chess Tournament Open Pula 2024 | Queen's Pawn Game: Modern Defense | |
| Apr 14, 2024 | Katter | 0–1 | Babiy | Round 9: Katter, Katharina - Babiy, Olga | Indian Defense: Przepiorka Variation | |
| Apr 13, 2024 | Berke | 1–0 | Katter | Round 8: Berke, Ana - Katter, Katharina | Sicilian Defense: Chekhover Variation | |
| Apr 12, 2024 | Katter | ½–½ | Heinatz | Round 7: Katter, Katharina - Heinatz, Gundula | Queen's Gambit Accepted: Normal Variation | |
| Mar 24, 2024 | Polterauer | ½–½ | Katter | 1BLwomen | Sicilian Defense: Closed | |
| Mar 23, 2024 | Katter | 0–1 | Terbe | 1BLwomen | Queen's Pawn Game: Modern Defense | |
| Mar 22, 2024 | Teuschler | 0–1 | Katter | 1BLwomen | Sicilian Defense: Najdorf Variation | |
| Oct 13, 2024 | Schneider | 1–0 | Katter | Round 3: Schneider, Jana - Katter, Katharina | Sicilian Defense: Moscow Variation | |
| Oct 12, 2024 | Katter | * | Theissl Pokorna | Round 2: Katter, Katharina - Theissl Pokorna, Regina | Queen's Indian Defense: Kasparov-Petrosian Variation, Classical Variation | |
| Oct 11, 2024 | Katter | 0–1 | Kulon | Round 1: Katter, Katharina - Kulon, Klaudia | Indian Defense: Przepiorka Variation | |
| Aug 4, 2024 | Katter | 1–0 | Ager | Round 9: Katter, Katharina - Ager, Josef | King's Indian Defense: Makogonov Variation | |
| Aug 3, 2024 | Ilijic | ½–½ | Katter | Round 8: Ilijic, Mihajilo - Katter, Katharina | King's Indian Attack: Symmetrical Defense | |
| Aug 2, 2024 | Katter | ½–½ | Wu | Round 7: Katter, Katharina - Wu, Chenshan | Indian Defense: Przepiorka Variation | |
| Aug 1, 2024 | Groetz | 1–0 | Katter | Round 6: Groetz, Harald - Katter, Katharina | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Jul 31, 2024 | Katter | 0–1 | Newrkla | Round 5: Katter, Katharina - Newrkla, Katharina | King's Indian Defense: Makogonov Variation | |
| Jul 30, 2024 | Shengelia | 1–0 | Katter | Round 4: Shengelia, David - Katter, Katharina | Nimzo-Larsen Attack: Modern Variation | |
| Nov 26, 2023 | Katter | 0–1 | Papp | 1. Frauen Bundesliga AUT 2023/2024 | Queen's Gambit Declined: Vienna Variation, Quiet Variation | |
| Nov 24, 2023 | Katter | 1–0 | Sasvatha | WYCC_2023_Girls_U18 | Bogo-Indian Defense: Wade-Smyslov Variation | |
| Nov 23, 2023 | Belattar | ½–½ | Katter | WYCC_2023_Girls_U18 | Queen's Pawn Game: Accelerated London System | |
| Nov 22, 2023 | Keerti | 1–0 | Katter | WYCC_2023_Girls_U18 | Ruy Lopez: Morphy Defense, Norwegian Variation | |
| Nov 21, 2023 | Katter | 0–1 | Matute Escobar | WYCC_2023_Girls_U18 | King's Indian Defense: Orthodox Variation, Bayonet Attack | |
| Nov 20, 2023 | Katter | 1–0 | Tsapaki | WYCC_2023_Girls_U18 | Bogo-Indian Defense: Grünfeld Variation | |
| Nov 18, 2023 | Zubova | 0–1 | Katter | WYCC_2023_Girls_U18 | Four Knights Game: Scotch Variation Accepted | |
| Nov 17, 2023 | Katter | 0–1 | Latifah | WYCC_2023_Girls_U18 | Semi-Slav Defense: Accelerated Move Order | |
| Nov 16, 2023 | Voriskova | 1–0 | Katter | g18 | Sicilian Defense: Najdorf Variation, English Attack | |
| Nov 15, 2023 | Katter | 1–0 | Gavrileva | g18 | Semi-Slav Defense: Stoltz Variation | |
| Nov 14, 2023 | Allahverdiyeva | 1–0 | Katter | g18 | Sicilian Defense: Najdorf Variation, English Attack | |
| Nov 13, 2023 | Katter | 1–0 | Lunar Villaman | g18 | Indian Defense: Przepiorka Variation | |
| Sep 30, 2023 | Katter | 1–0 | Chuchukova | 22nd European Youth Blitz Championship 2023 - G-18 | Benoni Defense: Benoni-Indian Defense | |
| Sep 30, 2023 | Katter | ½–½ | Blokhin | 22nd European Youth Blitz Championship 2023 - G-18 | Dutch Defense: Leningrad Variation, Matulovic Variation | |
| Sep 30, 2023 | Katter | 1–0 | Sulyok | 22nd European Youth Blitz Championship 2023 - G-18 | Semi-Slav Defense: Stoltz Variation | |
| Sep 30, 2023 | Katter | 1–0 | Mihaljevic | 22nd European Youth Blitz Championship 2023 - G-18 | Semi-Slav Defense: Stoltz Variation | |
| Sep 30, 2023 | Katter | 1–0 | Rozmanec | 22nd European Youth Blitz Championship 2023 - G-18 | Indian Defense: Pseudo-Benko | |
| Sep 30, 2023 | Mihelic | 1–0 | Katter | 22nd European Youth Blitz Championship 2023 - G-18 | Sicilian Defense: Chekhover Variation | |
| Sep 30, 2023 | Sipos | 0–1 | Katter | 22nd European Youth Blitz Championship 2023 - G-18 | Sicilian Defense: Najdorf Variation | |
| Sep 30, 2023 | Minaeva | 0–1 | Katter | 22nd European Youth Blitz Championship 2023 - G-18 | Sicilian Defense: Moscow Variation | |
| Sep 30, 2023 | Trgovac | 0–1 | Katter | 22nd European Youth Blitz Championship 2023 - G-18 | King's Indian Defense: Orthodox Variation, Glek Defense | |
| Apr 15, 2023 | Polterauer | 1–0 | Katter | Austrian Women's Bundesliga | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Apr 14, 2023 | Katter | 1–0 | Hercog | Austrian Women's Bundesliga | ? | |
| Mar 4, 2023 | Ushenina | 1–0 | Katter | Austrian Women's Bundesliga | Indian Defense: Tartakower Attack | |
| Mar 3, 2023 | Katter | 1–0 | Kopinits | Austrian Women's Bundesliga | Slav Defense: Chebanenko Variation, Advance System | |
| Nov 13, 2022 | Butenandt | * | Katter | 25th Open Bavarian Championship | ? | |
| Nov 12, 2022 | Katter | * | Glock | 25th Open Bavarian Championship | ? | |
| Nov 11, 2022 | Cordts | 1–0 | Katter | 25th Open Bavarian Championship | ? | |
| Nov 10, 2022 | Katter | 1–0 | Schicker | 25th Open Bavarian Championship | ? | |
| Nov 9, 2022 | Cordes | ½–½ | Katter | 25th Open Bavarian Championship | ? | |
| Nov 8, 2022 | Katter | 0–1 | Nagel | 25th Open Bavarian Championship | Queen's Pawn Game: Zukertort Variation | |
| Nov 7, 2022 | Meins | 1–0 | Katter | 25th Open Bavarian Championship | King's Indian Defense: Orthodox Variation, Glek Defense | |
| Nov 6, 2022 | Katter | 1–0 | Leeb | 25th Open Bavarian Championship | Slav Defense: Chebanenko Variation, Advance System | |
| Oct 21, 2022 | Katter | 0–1 | Gueci | Austrian Women's Bundesliga | Benoni Defense: Benoni-Indian Defense, Kingside Move Order | |
| Aug 31, 2022 | Katter | 0–1 | Hnatyshyn | European Woman Chess Championship | Queen's Pawn Game: Accelerated London System | |
| Aug 30, 2022 | Dwilewicz | 1–0 | Katter | European Woman Chess Championship | Sicilian Defense: Keres Variation | |
| Aug 29, 2022 | Soares | 0–1 | Katter | European Woman Chess Championship | King's Indian Defense: Orthodox Variation, Classical System, Neo-Classical Line | |
| Aug 28, 2022 | Katter | 0–1 | Kordzadze | European Woman Chess Championship | Indian Defense: Przepiorka Variation | |
| Aug 27, 2022 | Shatil | 0–1 | Katter | European Woman Chess Championship | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Aug 25, 2022 | Katter | 0–1 | Vega Gutierrez | European Woman Chess Championship | Zukertort Opening | |
| Aug 24, 2022 | Katter | ½–½ | Froewis | European Woman Chess Championship | Ruy Lopez: Exchange Variation, Alapin Gambit | |
| Aug 23, 2022 | Utiatskaja | 1–0 | Katter | European Woman Chess Championship | King's Indian Defense: Normal Variation, Standard Development | |
| Aug 22, 2022 | Pavlidou | 1–0 | Katter | European Woman Chess Championship | King's Indian Defense: Makogonov Variation | |
| Aug 21, 2022 | Katter | 0–1 | Lazarne Vajda | European Woman Chess Championship | Zukertort Opening | |
| Aug 20, 2022 | Doluhanova | ½–½ | Katter | European Woman Chess Championship | Zukertort Opening: Nimzo-Larsen Variation | |
| Jul 15, 2022 | Katter | * | Bajorski | stveit | Slav Defense: Czech Variation, Dutch Variation | |
| Jul 10, 2022 | Katter | 0–1 | Bauer | 41. St. Veiter Jacques-Lemans-Open 2022 | Indian Defense: Przepiorka Variation | |
| Jul 10, 2022 | Manhardt | 1–0 | Katter | 41. St. Veiter Jacques-Lemans-Open 2022 | Nimzo-Larsen Attack: Indian Variation | |
| Jun 6, 2021 | Katter | 0–1 | Morgunov | Austrian Blitz Championship | Indian Defense: Przepiorka Variation | |
| Jun 6, 2021 | Katter | 0–1 | Steiner | Austrian Blitz Championship | ? | |
| Jun 6, 2021 | Katter | * | Katter | Austrian Blitz Championship | ? | |
| Jun 6, 2021 | Neumeier | 1–0 | Katter | Austrian Blitz Championship | ? | |
| Jun 5, 2021 | Katter | 1–0 | Lang | Austrian Rapid Championship | ? | |
| Jun 5, 2021 | Katter | ½–½ | Jedinger | Austrian Rapid Championship | ? | |
| Jun 5, 2021 | Koban | * | Katter | Austrian Rapid Championship | ? | |
| Jun 5, 2021 | Miazhynski | ½–½ | Katter | Austrian Rapid Championship | ? | |