| Dec 30, 2025 | Petersen | ½–½ | Herrmann | Round 7: Petersen, Henrik - Herrmann, Jakob | Caro-Kann Defense: Panov Attack | |
| Dec 29, 2025 | Boeddeker | 0–1 | Petersen | Round 6: Boeddeker, Henry - Petersen, Henrik | Caro-Kann Defense: Two Knights Attack | |
| Dec 29, 2025 | Petersen | 1–0 | Gebigke | Round 5: Petersen, Henrik - Gebigke, Martin | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | |
| Dec 28, 2025 | Yatskar | 1–0 | Petersen | Round 4: Yatskar, Martin - Petersen, Henrik | Benoni Defense: King's Pawn Line | |
| Dec 28, 2025 | Petersen | 1–0 | Rose | Round 3: Petersen, Henrik - Rose, Daniel | French Defense: Advance Variation, Paulsen Attack | |
| Dec 27, 2025 | Zeissig | 0–1 | Petersen | Round 2: Zeissig, Richard - Petersen, Henrik | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Dec 27, 2025 | Petersen | 1–0 | Krambeer | Round 1: Petersen, Henrik - Krambeer, Bernd | Nimzo-Larsen Attack: Modern Variation | |
| Jun 22, 2025 | Rau | 0–1 | Petersen | Round 7: Rau, Nikita - Petersen, Henrik | Indian Defense | |
| Jun 21, 2025 | Petersen | 1–0 | Neurohr | Round 6: Petersen, Henrik - Neurohr, Juergen | Four Knights Game: Spanish Variation, Nimzowitsch Variation | |
| Jun 20, 2025 | Petersen | 0–1 | Thier | Round 4: Petersen, Henrik - Thier, Simon | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Jun 20, 2025 | Wilk | 0–1 | Petersen | Round 3: Wilk, Clemens - Petersen, Henrik | Queen's Gambit Declined: Queen's Knight Variation | |
| Jun 19, 2025 | Petersen | ½–½ | Denzer | Round 2: Petersen, Henrik - Denzer, Johannes | Four Knights Game: Spanish Variation, Ranken Variation | |
| Jun 19, 2025 | Wittko | 0–1 | Petersen | Round 1: Wittko, Alexander - Petersen, Henrik | Benoni Defense: Old Benoni | |
| Jun 14, 2025 | Petersen | ½–½ | Sherali Pattnaik | Round 9: Petersen, Henrik - Sherali Pattnaik | Four Knights Game: Spanish Variation, Nimzowitsch Variation | |
| Jun 13, 2025 | Druska | 1–0 | Petersen | Round 8: Druska, Juraj - Petersen, Henrik | Nimzo-Indian Defense: Normal Variation | |
| Jun 12, 2025 | Petersen | ½–½ | Sriansh Das | Round 7: Petersen, Henrik - Sriansh Das | French Defense: Exchange Variation | |
| Jun 11, 2025 | Bernadskiy | 1–0 | Petersen | Round 6: Bernadskiy, Vitaliy - Petersen, Henrik | Benoni Defense: Old Benoni | |
| Jun 10, 2025 | Petersen | 1–0 | Kocharin | Round 5: Petersen, Henrik - Kocharin, Timur | Sicilian Defense: Old Sicilian | |
| Jun 9, 2025 | Petersen | 1–0 | Sanket Chakravarty | Round 4: Petersen, Henrik - Sanket Chakravarty | Sicilian Defense: Old Sicilian | |
| Jun 8, 2025 | Petersen | ½–½ | Sherman | Round 2: Petersen, Henrik - Sherman, Raem | Ruy Lopez: Morphy Defense, Tarrasch Variation | |
| Jun 8, 2025 | Silva | * | Petersen | Round 1: Silva, Mariana - Petersen, Henrik | ? | |
| Jun 1, 2025 | Petersen | ½–½ | Bilovil | Round 7: Petersen, Henrik - Bilovil, Bogdan | French Defense: Tarrasch Variation, Chistyakov Defense | |
| May 30, 2025 | Florstedt | 1–0 | Petersen | Round 4: Florstedt, Johannes - Petersen, Henrik | Scandinavian Defense: Grünfeld Variation | |
| Apr 19, 2025 | Berres | 0–1 | Petersen | A-Turnier Rheinland-Einzelmeisterschaften 2025 | Benoni Defense | |
| Apr 18, 2025 | Petersen | 1–0 | Schoen | A-Turnier Rheinland-Einzelmeisterschaften 2025 | Sicilian Defense: Najdorf Variation, Freak Attack | |
| Apr 17, 2025 | Petersen | 1–0 | Neisen | A-Turnier Rheinland-Einzelmeisterschaften 2025 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Apr 13, 2025 | Petersen | ½–½ | Gebhardt | A-Turnier Rheinland-Einzelmeisterschaften 2025 | Bogo-Indian Defense: Retreat Variation | |
| Apr 13, 2025 | Fink | ½–½ | Petersen | A-Turnier Rheinland-Einzelmeisterschaften 2025 | Sicilian Defense: Closed | |
| Apr 12, 2025 | Petersen | 1–0 | Ley | A-Turnier Rheinland-Einzelmeisterschaften 2025 | Sicilian Defense: Closed | |
| Apr 12, 2025 | Reifenroether | 0–1 | Petersen | A-Turnier Rheinland-Einzelmeisterschaften 2025 | Pseudo Queen's Indian Defense | |
| Feb 1, 2025 | Petersen | 0–1 | Patzschke | Round 7: Petersen, Henrik - Patzschke, Carlo | ? | |
| Jan 31, 2025 | Petersen | 0–1 | Fasshauer | Round 5: Petersen, Henrik - Fasshauer, Jacob | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Jan 31, 2025 | Bruechner | 0–1 | Petersen | Round 6: Bruechner, Soeren - Petersen, Henrik | Bird Opening | |
| Jan 30, 2025 | Petersen | 1–0 | Wiegmann | Round 3: Petersen, Henrik - Wiegmann, Ulf | Pirc Defense | |
| Jan 30, 2025 | Schwarz | 0–1 | Petersen | Round 4: Schwarz, Hans - Petersen, Henrik | Sicilian Defense: Closed | |
| Jan 29, 2025 | Petersen | 1–0 | Wehrmann | Round 1: Petersen, Henrik - Wehrmann, Jens | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| Jan 29, 2025 | Michalek | 0–1 | Petersen | Round 2: Michalek, Hans-Leonard - Petersen, Henrik | Queen's Pawn Game: Colle System, Grünfeld Formation | |
| Nov 23, 2024 | Krastev | 1–0 | Petersen | Heusenstamm Sparkassen Open 2024 | Caro-Kann Defense: Endgame Variation | |
| Feb 12, 2024 | Zeng | 1–0 | Henrik Petersen | Baden-Baden Faschingsopen 2024 | Benoni Defense: Fianchetto Variation | |
| Feb 12, 2024 | Henrik Petersen | 0–1 | Ehmann | Baden-Baden Faschingsopen 2024 | Sicilian Defense: Alapin Variation | |
| Oct 27, 2024 | Petersen | 0–1 | Bashirov | Round 9: Petersen, Henrik - Bashirov, Kemal | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Oct 26, 2024 | Sydykov | 1–0 | Petersen | Round 8: Sydykov, Bayastan - Petersen, Henrik | Sicilian Defense: Najdorf Variation | |
| Oct 25, 2024 | Petersen | ½–½ | Tschernatsch | Round 7: Petersen, Henrik - Tschernatsch, Johannes | Torre Attack: Fianchetto Defense, Euwe Variation | |
| Oct 24, 2024 | Gloeckler | 0–1 | Petersen | Round 6: Gloeckler, Christian - Petersen, Henrik | Philidor Defense | |
| Oct 23, 2024 | Kusa | 1–0 | Petersen | Round 4: Kusa, Jakub - Petersen, Henrik | Benoni Defense | |
| Oct 21, 2024 | Kanov | 1–0 | Petersen | Round 1: Kanov, Nikola - Petersen, Henrik | Caro-Kann Defense: Tartakower Variation | |
| Jul 22, 2022 | Panjer | * | Petersen | open | ? | |
| Jul 21, 2022 | Petersen | * | Hoeller | open | ? | |
| Jul 19, 2022 | Petersen | * | Richter | open | ? | |