| Nov 9, 2025 | Seifert | 1–0 | Fuchs | Round 9: Seifert, Volker - Fuchs, Florian | Queen's Pawn Game: Colle System | |
| Nov 8, 2025 | Gohla | 0–1 | Seifert | Round 8: Gohla, Ulf - Seifert, Volker | Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation, Quiet Line | |
| Nov 5, 2025 | Seifert | 0–1 | Dragnev | Round 5: Seifert, Volker - Dragnev, Valentin | King's Indian Defense: Sämisch Variation, Bobotsov-Korchnoi-Petrosian Variation | |
| Nov 3, 2025 | Seifert | 0–1 | Celik | Round 3: Seifert, Volker - Celik, Hasan Huseyin | King's Indian Defense: Averbakh Variation, Benoni Defense, Exchange Variation | |
| Mar 30, 2025 | Seifert | ½–½ | Muskardin | Round 11: Seifert, Volker - Muskardin, Mario | Benko Gambit Accepted: Pawn Return Variation | |
| Mar 29, 2025 | Seifert | 0–1 | Berchtenbreiter | Round 10: Seifert, Volker - Berchtenbreiter, Maximilian | Benoni Defense | |
| Mar 28, 2025 | Seifert | 1–0 | Cafasso | Round 9: Seifert, Volker - Cafasso, Elia | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Aug 31, 2024 | Nissinen | 0–1 | Seifert | Round 9: Nissinen, Niilo Man - Seifert, Volker | French Defense: Advance Variation | |
| Aug 30, 2024 | Seifert | 1–0 | Hengl | Round 8: Seifert, Volker - Hengl, Philip | Yusupov-Rubinstein System | |
| Aug 29, 2024 | Miazhynski | ½–½ | Seifert | Round 7: Miazhynski, Michael - Seifert, Volker | French Defense: Exchange Variation | |
| Aug 28, 2024 | Seifert | 1–0 | Unterweger | Round 6: Seifert, Volker - Unterweger, Jonas | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Aug 27, 2024 | Gatterer | 1–0 | Seifert | Round 5: Gatterer, Florian - Seifert, Volker | Horwitz Defense | |
| Aug 26, 2024 | Seifert | ½–½ | Garcia Martinez | Round 4: Seifert, Volker - Garcia Martinez, Marcos | Bogo-Indian Defense: Grünfeld Variation | |
| Aug 25, 2024 | Seifert | ½–½ | Van Dam | Round 2: Seifert, Volker - Van Dam, Niels | Dutch Defense: Classical Variation, Huisl Variation | |
| Aug 25, 2024 | Sucher | ½–½ | Seifert | Round 3: Sucher, Johannes - Seifert, Volker | Queen's Indian Defense: Spassky System | |
| Aug 24, 2024 | Sindermann | 0–1 | Seifert | Round 1: Sindermann, Peter - Seifert, Volker | Nimzo-Indian Defense | |
| Nov 7, 2021 | Rosner | ½–½ | Seifert | 24th Open Bavarian Championship | English Opening: Anglo-Indian Defense, Nimzo-English | |
| Nov 6, 2021 | Seifert | 1–0 | Nestorovic | 24th Open Bavarian Championship | Queen's Gambit Declined: Janowski Variation | |
| Nov 5, 2021 | Duzy | 0–1 | Seifert | 24th Open Bavarian Championship | French Defense: Exchange Variation | |
| Nov 4, 2021 | Seifert | 1–0 | Schneider | 24th Open Bavarian Championship | ? | |
| Nov 3, 2021 | Esswein | ½–½ | Seifert | 24th Open Bavarian Championship | Catalan Opening: Closed | |
| Nov 2, 2021 | Seifert | 1–0 | Ponomarev | 24th Open Bavarian Championship | ? | |
| Nov 1, 2021 | Roettig | ½–½ | Seifert | 24th Open Bavarian Championship | French Defense: Classical Variation, Steinitz Variation | |
| Oct 31, 2021 | Seifert | 0–1 | Noe | 24th Open Bavarian Championship | Nimzo-Indian Defense: Classical Variation | |
| Oct 30, 2021 | Jerie | * | Seifert | 24th Open Bavarian Championship | ? | |
| Oct 16, 2021 | Seifert | 0–1 | Skotheim | Fagernes Chess International 2021 | Bogo-Indian Defense: Exchange Variation | |
| Oct 14, 2021 | Juksta | ½–½ | Seifert | Fagernes Chess International 2021 | Nimzo-Indian Defense: Classical Variation, Berlin Variation | |
| Oct 13, 2021 | Seifert | 1–0 | Eliseev | Fagernes Chess International 2021 | Indian Defense: Anti-Nimzo-Indian | |
| Oct 12, 2021 | Kjartansson | 1–0 | Seifert | Fagernes Chess International 2021 | Petrov's Defense: Modern Attack, Center Variation | |
| Oct 11, 2021 | Roulet-Dubonnet | 0–1 | Seifert | Fagernes Chess International 2021 | English Opening: Agincourt Defense | |
| Oct 10, 2021 | Seifert | 0–1 | Sanal | Fagernes Chess International 2021 | Lion Defense: Lion's Jaw | |
| Aug 22, 2021 | Cafasso | * | Seifert | Innsbruck Festival | ? | |
| Aug 22, 2021 | Cafasso | * | Seifert | Innsbruck Festival | ? | |