| Nov 3, 2025 | Gass | ½–½ | Heinatz | Round 3: Gass, Ulrich - Heinatz, Gundula, Dr. | Caro-Kann Defense: Advance Variation, Short Variation | |
| Nov 1, 2025 | Gholami Orimi | 1–0 | Heinatz | Round 1: Gholami Orimi, Mahdi - Heinatz, Gundula, Dr. | Slav Defense: Quiet Variation, Schallopp Defense | |
| Oct 5, 2025 | Heinatz | ½–½ | Kordic | European individual senior chess championship 2025 - Women 50+, 65+, Rabac, Croatia | Englund Gambit | |
| Sep 27, 2025 | Sirletti | 0–1 | Heinatz | European individual senior chess championship 2025 - Women 50+, 65+, Rabac, Croatia | Rubinstein Opening | |
| Sep 24, 2025 | Heinatz | 1–0 | Ni | European individual senior chess championship 2025 - Women 50+, 65+, Rabac, Croatia | Dutch Defense: Classical Variation, Huisl Variation | |
| Sep 24, 2025 | Heinatz | 1–0 | Novak | European individual senior chess championship 2025 - Women 50+, 65+, Rabac, Croatia | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Sep 24, 2025 | Birkholz | ½–½ | Heinatz | European individual senior chess championship 2025 - Women 50+, 65+, Rabac, Croatia | Queen's Pawn Game: Symmetrical Variation | |
| Sep 24, 2025 | Heinatz | 1–0 | Leszner | European individual senior chess championship 2025 - Women 50+, 65+, Rabac, Croatia | Indian Defense | |
| Sep 24, 2025 | Heinatz | 1–0 | Krasenkowa | European individual senior chess championship 2025 - Women 50+, 65+, Rabac, Croatia | Indian Defense | |
| Sep 24, 2025 | Brokko | ½–½ | Heinatz | European individual senior chess championship 2025 - Women 50+, 65+, Rabac, Croatia | English Opening: King's English Variation, Two Knights Variation | |
| Sep 24, 2025 | Fink-Nunn | ½–½ | Heinatz | European individual senior chess championship 2025 - Women 50+, 65+, Rabac, Croatia | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jul 20, 2025 | Heinatz | 0–1 | Sedina | Round 9: Heinatz, Gundula - Sedina, Elena | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Jul 18, 2025 | Hryzlova | 1–0 | Heinatz | Round 7: Hryzlova, Sofiia - Heinatz, Gundula | King's Indian Attack | |
| Jul 17, 2025 | Heinatz | 1–0 | Shatil | Round 6: Heinatz, Gundula - Shatil, Or | Queen's Pawn Game: Symmetrical Variation | |
| Jul 16, 2025 | Maisuradze | 0–1 | Heinatz | Round 5: Maisuradze, Nino - Heinatz, Gundula | Queen's Gambit Declined | |
| Jul 15, 2025 | Heinatz | 0–1 | Peglau | Round 4: Heinatz, Gundula - Peglau, Charis | Indian Defense: Knights Variation | |
| Jul 14, 2025 | Pellicoro | ½–½ | Heinatz | Round 3: Pellicoro, Nathalie - Heinatz, Gundula | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jul 13, 2025 | Heinatz | 0–1 | Bruessow | Round 2: Heinatz, Gundula - Bruessow, Nina | Indian Defense: London System | |
| Jul 12, 2025 | Schleining | 1–0 | Heinatz | Round 1: Schleining, Zoya - Heinatz, Gundula | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| May 28, 2025 | Manko | 1–0 | Heinatz | Round 8: Manko, Mariia - Heinatz, Gundula | Catalan Opening: Open Defense | |
| May 22, 2025 | Heinatz | ½–½ | Jaksa | Mitropa 2025 Women | King's Indian Attack | |
| May 21, 2025 | Radikovic | 1–0 | Heinatz | Mitropa 2025 Women | King's Indian Attack | |
| May 19, 2025 | Toth | 1–0 | Heinatz | Mitropa 2025 Women | Caro-Kann Defense: Panov Attack, Fianchetto Defense, Fianchetto Gambit | |
| May 18, 2025 | Heinatz | ½–½ | Alfano | Mitropa 2025 Women | Catalan Opening: Open Defense, Classical Line | |
| Apr 17, 2025 | Heinatz | 0–1 | Panjwani | Round 1: Heinatz, Gundula - Panjwani, Raja | King's Indian Defense: Fianchetto Variation, Classical Fianchetto | |
| Apr 11, 2025 | Golsta | 1–0 | Heinatz | Round 11: Golsta, Ramona - Heinatz, Gundula | Queen's Gambit Declined: Barmen Variation | |
| Apr 10, 2025 | Heinatz | ½–½ | Golsta | Round 10: Heinatz, Gundula - Golsta, Madara | East Indian Defense | |
| Apr 9, 2025 | Valkova | ½–½ | Heinatz | Round 9: Valkova, Angelika - Heinatz, Gundula | Queen's Gambit Declined | |
| Apr 8, 2025 | Heinatz | 0–1 | Caku | Round 8: Heinatz, Gundula - Caku, Kler | King's Indian Attack | |
| Apr 7, 2025 | Sieber | 1–0 | Heinatz | Round 7: Sieber, Fiona - Heinatz, Gundula | French Defense: Burn Variation | |
| Apr 5, 2025 | Nahapetyan | 0–1 | Heinatz | Round 6: Nahapetyan, Ani - Heinatz, Gundula | Modern Defense: Two Knights Variation | |
| Apr 4, 2025 | Heinatz | ½–½ | Alexandri | Round 5: Heinatz, Gundula - Alexandri, Dimitra | East Indian Defense | |
| Apr 3, 2025 | Chasouraki | ½–½ | Heinatz | Round 4: Chasouraki, Chrysi - Heinatz, Gundula | Caro-Kann Defense: Exchange Variation | |
| Apr 2, 2025 | Heinatz | ½–½ | Harutyunyan | Round 3: Heinatz, Gundula - Harutyunyan, Gabriela | English Opening: King's English Variation | |
| Apr 1, 2025 | Kiolbasa | 1–0 | Heinatz | Round 2: Kiolbasa, Oliwia - Heinatz, Gundula | Sicilian Defense: Hyperaccelerated Pterodactyl | |
| Mar 31, 2025 | Heinatz | ½–½ | Milliet | Round 1: Heinatz, Gundula - Milliet, Sophie | Queen's Pawn Game: Zukertort Variation | |
| Mar 30, 2025 | Worek | 1–0 | Heinatz | Round 9: Worek, Joanna - Heinatz, Gundula | ? | |
| Mar 29, 2025 | Heinatz | 1–0 | Stadlinger | Round 8: Heinatz, Gundula - Stadlinger, Lea | Queen's Gambit Declined: Three Knights Variation | |
| Mar 28, 2025 | Gueci | 1–0 | Heinatz | Round 7: Gueci, Tea - Heinatz, Gundula | Caro-Kann Defense: Advance Variation | |
| Mar 16, 2025 | Heinatz | ½–½ | Schneider | FB1 2425 SC 1957 Bad Königshofen - SZ | Queen's Pawn Game: Accelerated London System | |
| Mar 15, 2025 | Sieber | 1–0 | Heinatz | FB1 2425 SZ Seeblick Dippoldiswalde - Ro | Ruy Lopez: Morphy Defense, Norwegian Variation | |
| Jul 21, 2024 | Heinatz | 0–1 | Sedina | Round 9: Heinatz, Gundula - Sedina, Elena | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Jul 20, 2024 | Pellicoro | 1–0 | Heinatz | Round 8: Pellicoro, Nathalie - Heinatz, Gundula | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jul 19, 2024 | Heinatz | 0–1 | Thode | Round 7: Heinatz, Gundula - Thode, Gilda | Indian Defense | |
| Jul 18, 2024 | Monpeurt | 1–0 | Heinatz | Round 6: Monpeurt, Cyrielle - Heinatz, Gundula | Modern Defense | |
| Jul 17, 2024 | Heinatz | 1–0 | Kurapova | Round 5: Heinatz, Gundula - Kurapova, Olga | Queen's Pawn Game: Accelerated London System | |
| Jul 16, 2024 | Hryzlova | 1–0 | Heinatz | Round 4: Hryzlova, Sofiia - Heinatz, Gundula | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Jul 15, 2024 | Heinatz | 1–0 | Khrapko | Round 3: Heinatz, Gundula - Khrapko, Marharyta | Benoni Defense: Benoni-Indian Defense | |
| Jul 14, 2024 | Peglau | 0–1 | Heinatz | Schweizer Einzelmeisterschaft 24 Women | King's Indian Attack | |
| Jul 13, 2024 | Manko | 1–0 | Heinatz | Schweizer Einzelmeisterschaft 24 Women | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Jun 23, 2024 | Heinatz | 1–0 | Buergi | SMM Nationalliga B 2024 | Indian Defense | |
| Jun 8, 2024 | Gundula Heinatz | 0–1 | Paehtz | Round 9: Dr.Gundula Heinatz - Paehtz, Elisabeth | ? | |
| Apr 14, 2024 | Hrescak | ½–½ | Heinatz | Round 9: Hrescak, Ivana - Heinatz, Gundula | Queen's Gambit Accepted: Classical Defense, Rubinstein Variation | |
| Apr 13, 2024 | Heinatz | ½–½ | Urh | Round 8: Heinatz, Gundula - Urh, Zala | King's Indian Attack | |
| Apr 12, 2024 | Katter | ½–½ | Heinatz | Round 7: Katter, Katharina - Heinatz, Gundula | Queen's Gambit Accepted: Normal Variation | |
| Mar 28, 2024 | Engel | 1–0 | Heinatz | Grenke Chess Open 2024 | Caro-Kann Defense: Panov Attack, Fianchetto Defense, Fianchetto Gambit | |
| Mar 23, 2024 | Heinatz | 0–1 | Brunello | 1BLwomen | Pseudo Queen's Indian Defense | |
| Mar 22, 2024 | Polterauer | ½–½ | Heinatz | 1BLwomen | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Oct 13, 2024 | Heinatz | 1–0 | Frey | Round 3: Heinatz, Gundula - Frey, Alisa | Rapport-Jobava System | |
| Oct 11, 2024 | Mihelic | * | Heinatz | Round 1: Mihelic, Vesna - Heinatz, Gundula | Caro-Kann Defense: Exchange Variation | |
| Dec 10, 2023 | Heinatz | ½–½ | Savina | FB1 2324 SC 1957 Bad Königshofen - Kar | Zukertort Opening | |
| Dec 9, 2023 | Theissl Pokorna | 1–0 | Heinatz | FB1 2324 Karlsruher SF 1853 - Rodewische | Caro-Kann Defense: Accelerated Panov Attack | |
| Nov 26, 2023 | Heinatz | 0–1 | Cvitan | 1. Frauen Bundesliga AUT 2023/2024 | Queen's Pawn Game: London System, with e6 | |
| Nov 25, 2023 | Skuhala | 1–0 | Heinatz | 1. Frauen Bundesliga AUT 2023/2024 | Caro-Kann Defense: Advance Variation, Short Variation | |
| Nov 24, 2023 | Heinatz | 0–1 | Papp | 1. Frauen Bundesliga AUT 2023/2024 | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Mar 4, 2023 | Miturova | 0–1 | Heinatz | Austrian Women's Bundesliga | Sicilian Defense: Prins Variation | |
| Mar 3, 2023 | Heinatz | ½–½ | Matnadze Bujiashvili | Austrian Women's Bundesliga | Indian Defense | |
