| Apr 6, 2025 | Schneider-Zinner | ½–½ | Pieper | Round 9: Schneider-Zinner, Harald - Pieper, Thomas, Dr. | Indian Defense: Przepiorka Variation | |
| Apr 5, 2025 | Pieper | ½–½ | Cordts | Round 8: Pieper, Thomas, Dr. - Cordts, Ingo | Italian Game: Classical Variation, Center Attack | |
| Apr 4, 2025 | Mareck | 0–1 | Pieper | Round 7: Mareck, Sascha - Pieper, Thomas, Dr. | Four Knights Game: Scotch Variation, Schmid Defense | |
| Apr 3, 2025 | Pieper | ½–½ | Belke | Round 6: Pieper, Thomas, Dr. - Belke, Frank, Dr. | French Defense: Rubinstein Variation, Blackburne Defense | |
| Apr 2, 2025 | Lindam | ½–½ | Pieper | Round 5: Lindam, Ingo - Pieper, Thomas, Dr. | Trompowsky Attack | |
| Apr 1, 2025 | Pieper | 1–0 | Schober | Round 4: Pieper, Thomas, Dr. - Schober, Ralf | Nimzowitsch Defense: Williams Variation | |
| Mar 30, 2025 | Pieper | ½–½ | Hafner | Round 2: Pieper, Thomas, Dr. - Hafner, Robert | Caro-Kann Defense: Classical Variation, Spassky Variation | |
| Mar 29, 2025 | Zoll | 0–1 | Pieper | Round 1: Zoll, Detlef - Pieper, Thomas, Dr. | King's Indian Defense: Sämisch Variation, Sämisch Gambit | |
| Jul 11, 2024 | Pieper | 1–0 | Korge | wstcc2024o50 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Main Line | |
| Jul 10, 2024 | Arkell | 1–0 | Pieper | 50-1 | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Exchange Line | |
| Jul 9, 2024 | Pieper | ½–½ | Briestensky | 50-1 | Caro-Kann Defense: Karpov Variation, Modern Variation | |
| Jul 7, 2024 | Pieper | 1–0 | Harstad | wstcc2024o50 | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Jul 5, 2024 | Aird | 0–1 | Pieper | wstcc2024o50 | Four Knights Game: Scotch Variation Accepted | |
| Jul 4, 2024 | Jahn | ½–½ | Pieper | wst50 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jul 3, 2024 | Pieper | ½–½ | Flis | wstcc2024o50 | Italian Game: Hungarian Defense | |
| Jul 2, 2024 | Adams | ½–½ | Pieper | wstcc2024o50 | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Nov 11, 2023 | Pieper | 0–1 | Heidenfeld | Deutsche Schnellschach-Amateurmeisterschaft 2023 | French Defense: Rubinstein Variation, Blackburne Defense | |
| Nov 13, 2022 | Acarbay | * | Pieper | 25th Open Bavarian Championship | ? | |
| Nov 11, 2022 | Nikolov | 1–0 | Pieper | 25th Open Bavarian Championship | ? | |
| Nov 10, 2022 | Pieper | ½–½ | Weimert | 25th Open Bavarian Championship | ? | |
| Nov 9, 2022 | Gombert | 0–1 | Pieper | 25th Open Bavarian Championship | ? | |
| Nov 8, 2022 | Pieper | ½–½ | Strahl | 25th Open Bavarian Championship | ? | |
| Nov 7, 2022 | Engesser | 1–0 | Pieper | 25th Open Bavarian Championship | ? | |
| Nov 6, 2022 | Pieper | ½–½ | Schrems | 25th Open Bavarian Championship | ? | |
| Nov 7, 2021 | Roettig | * | Pieper | 24th Open Bavarian Championship | ? | |
| Nov 6, 2021 | Pieper | 0–1 | Engesser | 24th Open Bavarian Championship | Sicilian Defense: Najdorf Variation | |
| Nov 5, 2021 | Esswein | ½–½ | Pieper | 24th Open Bavarian Championship | Indian Defense: King's Indian Variation, Fianchetto Variation | |
| Nov 4, 2021 | Pieper | 1–0 | Staudacher | 24th Open Bavarian Championship | ? | |
| Nov 3, 2021 | Glaser | 0–1 | Pieper | 24th Open Bavarian Championship | ? | |
| Nov 2, 2021 | Pieper | ½–½ | Lucas | 24th Open Bavarian Championship | ? | |
| Nov 1, 2021 | Schalla | ½–½ | Pieper | 24th Open Bavarian Championship | ? | |
| Oct 31, 2021 | Pieper | 0–1 | Nestorovic | 24th Open Bavarian Championship | Italian Game: Deutz Gambit | |
| Oct 30, 2021 | Helmschrott | * | Pieper | 24th Open Bavarian Championship | ? | |
