| Jun 10, 2026 | Zimmermann | 1–0 | Cardili | Round 9: Zimmermann, Luc - Cardili, Mariano | Caro-Kann Defense: Classical Variation, Main Line | |
| Jun 9, 2026 | Hill | ½–½ | Zimmermann | Round 8: Hill, Jonathan S - Zimmermann, Luc | Grünfeld Defense: Exchange Variation | |
| Jun 8, 2026 | Zimmermann | 1–0 | Germes | Round 7: Zimmermann, Luc - Germes, Alain | French Defense: Rubinstein Variation, Fort Knox Variation | |
| Jun 7, 2026 | Nagy | ½–½ | Zimmermann | Round 6: Nagy, Laszlo - Zimmermann, Luc | King's Indian Attack: Symmetrical Defense | |
| Jun 6, 2026 | Zimmermann | ½–½ | Frick | Round 5: Zimmermann, Luc - Frick, Renato | Sicilian Defense: Alapin Variation | |
| Jun 5, 2026 | Astengo | 1–0 | Zimmermann | Round 4: Astengo, Corrado - Zimmermann, Luc | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Jun 3, 2026 | Krien | 0–1 | Zimmermann | Round 2: Krien, Hartmut - Zimmermann, Luc | French Defense: Tarrasch Variation, Open System, Süchting Line | |
| Jun 2, 2026 | Zimmermann | 1–0 | Vifian | Round 1: Zimmermann, Luc - Vifian, Heinz | French Defense: Tarrasch Variation, Chistyakov Defense | |
| Jun 1, 2026 | Zimmermann | 0–1 | Sturua | Round 3: Zimmermann, Luc - Sturua, Zurab | Modern Defense: Standard Defense | |
| Nov 1, 2025 | Costa | ½–½ | Zimmermann | Round 1: Costa, Leonardo - Zimmermann, Luc | Grünfeld Defense: Russian Variation, Byrne Variation | |
| Feb 21, 2025 | Zimmermann | ½–½ | Wang | WSTCC | Caro-Kann Defense: Tartakower Variation | |
| Feb 18, 2025 | Csiszar | 1–0 | Zimmermann | WSTCC | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Nov 2, 2024 | Zimmermann | ½–½ | Renman | Round 9: Zimmermann, Luc - Renman, Nils-Gustaf | Sicilian Defense: Alapin Variation | |
| Nov 1, 2024 | Fernandez Garcia | ½–½ | Zimmermann | Round 8: Fernandez Garcia, Jose Luis - Zimmermann, Luc | French Defense: Burn Variation | |
| Oct 31, 2024 | Zimmermann | ½–½ | Pogorelov | Round 7: Zimmermann, Luc - Pogorelov, Ruslan | Sicilian Defense: Alapin Variation | |
| Oct 30, 2024 | Zimmermann | ½–½ | Chapman | Round 6: Zimmermann, Luc - Chapman, Terry P D | Caro-Kann Defense: Classical Variation, Lobron System | |
| Oct 29, 2024 | Petschar | 0–1 | Zimmermann | Round 5: Petschar, Kurt - Zimmermann, Luc | English Opening: Anglo-Indian Defense, Anti-Anti-Grünfeld | |
| Oct 28, 2024 | Zimmermann | 1–0 | Boulard | Round 4: Zimmermann, Luc - Boulard, Eric | Caro-Kann Defense: Forgacs Variation | |
| Oct 27, 2024 | Roos | 1–0 | Zimmermann | Round 3: Roos, Louis - Zimmermann, Luc | King's Indian Defense: Orthodox Variation | |
| Oct 26, 2024 | Zimmermann | 1–0 | Chevelevitch | Round 2: Zimmermann, Luc - Chevelevitch, Evgueni, Dr. | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| May 12, 2024 | Zimmermann | 0–1 | Jackson | European Senior Team Chess Championship 2024 - Section 50 + | Sicilian Defense: Alapin Variation | |
| May 9, 2024 | Van der Werf | 1–0 | Zimmermann | European Senior Team Chess Championship 2024 - Section 50 + | Grünfeld Defense: Three Knights Variation, Petrosian System | |
| May 7, 2024 | Zimmermann | ½–½ | Horvath | European Senior Team Chess Championship 2024 - Section 50 + | Sicilian Defense: Delayed Alapin Variation | |
| Aug 10, 2024 | Zimmermann | 0–1 | Svane | Round 1: Zimmermann, Luc - Svane, Frederik | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Oct 1, 2023 | Zilka | 1–0 | Zimmermann | European Chess Club Cup 2023 | French Defense: Alekhine-Chatard Attack | |
| Aug 6, 2022 | Zimmermann | 0–1 | Ranaldi | Letni Praha 2022 | Caro-Kann Defense: Classical Variation, Lobron System | |
| Feb 6, 2022 | Marcinczyk | * | Zimmermann | chessemy open 2022 | French Defense: Tarrasch Variation, Morozevich Variation | |
| Feb 5, 2022 | Zimmermann | 1–0 | Hilbenz | chessemy open 2022 | Bishop's Opening: Vienna Hybrid | |
| Feb 4, 2022 | Muedder | ½–½ | Zimmermann | chessemy open 2022 | French Defense: Tarrasch Variation, Morozevich Variation | |
| Feb 3, 2022 | Zimmermann | ½–½ | Klaska | chessemy open 2022 | French Defense: Tarrasch Variation, Open System | |
| Feb 2, 2022 | Sistig | ½–½ | Zimmermann | chessemy open 2022 | Grünfeld Defense: Exchange Variation, Classical Variation | |
| Jan 31, 2022 | Milovs | 1–0 | Zimmermann | chessemy open 2022 | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Jan 30, 2022 | Zimmermann | 1–0 | Luthardt | chessemy open 2022 | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| Jan 29, 2022 | Schulze | 1–0 | Zimmermann | chessemy open 2022 | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Sep 24, 2021 | Reichardt | * | Zimmermann | 36th European Club Cup | ? | |
| Sep 23, 2021 | Zimmermann | * | Olivier | 36th European Club Cup | ? | |
| Sep 22, 2021 | Gnichtel | ½–½ | Zimmermann | 36th European Club Cup | ? | |
| Sep 21, 2021 | Storme | * | Zimmermann | 36th European Club Cup | ? | |
| Sep 19, 2021 | Grant | * | Zimmermann | 36th European Club Cup | ? | |
| Aug 1, 2021 | Omar | 1–0 | Zimmermann | Biel/Bienne Master (MTO) | Rapport-Jobava System | |