| Jun 21, 2026 | Bagrationi | 1–0 | Schroer | HSG Open 2026 A | Caro-Kann Defense: Advance Variation, Van der Wiel Attack | |
| Jun 20, 2026 | Schroer | 0–1 | Zwirs | HSG Open 2026 A | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| May 25, 2026 | Beck | * | Schroer | Round 7: Beck, Michael - Schroer, Marcel | ? | |
| May 25, 2026 | Schroer | * | Koppenens | Round 6: Schroer, Marcel - Koppenens, Oscar | ? | |
| May 24, 2026 | Luyckx | * | Schroer | Round 5: Luyckx, Wim - Schroer, Marcel | ? | |
| May 24, 2026 | Schroer | * | Omnes | Round 4: Schroer, Marcel - Omnes, Tiago | ? | |
| May 23, 2026 | Gupta | * | Schroer | Round 3: Gupta, Akul - Schroer, Marcel | ? | |
| May 23, 2026 | Schroer | * | Leenen | Round 2: Schroer, Marcel - Leenen, Boyd | ? | |
| May 22, 2026 | Goudriaan | * | Schroer | Round 1: Goudriaan, Rafael - Schroer, Marcel | ? | |
| Apr 2, 2026 | Schroer | 0–1 | Harshavardhan G B | Grenke Chess Festival 2026 Open | English Opening: Anglo-Indian Defense | |
| May 31, 2025 | Schroer | 0–1 | Verbytski | Round 9: Schroer, Marcel - Verbytski, Oleg | Catalan Opening: Open Defense, Classical Line | |
| May 30, 2025 | Lazarus | ½–½ | Schroer | Round 8: Lazarus, Simon E - Schroer, Marcel | Slav Defense: Quiet Variation, Schallopp Defense | |
| May 30, 2025 | Schroer | 1–0 | Hutchinson | Round 7: Schroer, Marcel - Hutchinson, Norman A | Indian Defense: Knights Variation | |
| May 29, 2025 | Liu | ½–½ | Schroer | Round 6: Liu, Jacob - Schroer, Marcel | Caro-Kann Defense: Tartakower Variation | |
| May 28, 2025 | Schroer | ½–½ | Adams | Round 5: Schroer, Marcel - Adams, George | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| May 28, 2025 | Kirupakaran | 0–1 | Schroer | Round 4: Kirupakaran, Vishnu - Schroer, Marcel | Caro-Kann Defense: Euwe Attack | |
| May 27, 2025 | Schroer | ½–½ | Smart | Round 3: Schroer, Marcel - Smart, Michael R | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| May 26, 2025 | Adams | 1–0 | Schroer | Round 2: Adams, Michael - Schroer, Marcel | Caro-Kann Defense: Advance Variation, Short Variation | |
| May 26, 2025 | Schroer | ½–½ | Fernandez Garcia | Round 1: Schroer, Marcel - Fernandez Garcia, Jose Miguel | Indian Defense: Knights Variation | |
| Apr 17, 2025 | Loiseau | 1–0 | Schroer | Round 1: Loiseau, Quentin - Schroer, Marcel | Slav Defense: Geller Gambit | |
| Nov 3, 2024 | Schroer | 1–0 | Schultz | Round 9: Schroer, Marcel - Schultz, Andreas | Queen's Gambit Declined: Harrwitz Attack, Two Knights Defense, Blockade Line | |
| Oct 26, 2024 | Schroer | ½–½ | Dehlinger | Round 1: Schroer, Marcel - Dehlinger, Alexander | Indian Defense: Knights Variation | |
| Jun 15, 2024 | Schroer | 0–1 | Ootes | Round 9: Schroer, Marcel - Ootes, Lars | Zukertort Opening: Pirc Invitation | |
| Jun 15, 2024 | Aarts | 0–1 | Schroer | Round 8: Aarts, Joaquin - Schroer, Marcel | Slav Defense: Czech Variation, Krause Attack | |
| Jun 15, 2024 | Schroer | 1–0 | Reuter | Round 7: Schroer, Marcel - Reuter, Julian-Frank | Semi-Slav Defense: Normal Variation | |
| Jun 15, 2024 | Timmer | 0–1 | Schroer | Round 6: Timmer, Michel - Schroer, Marcel | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jun 15, 2024 | Schroer | 1–0 | Omnes | Round 5: Schroer, Marcel - Omnes, Tiago | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | |
| Jun 15, 2024 | Schroer | 0–1 | Grooten | Round 4: Schroer, Marcel - Grooten, Tommy | Benko Gambit Accepted: Fully Accepted Variation | |
| Jun 15, 2024 | Makhmud | 0–1 | Schroer | Round 3: Makhmud, Adi - Schroer, Marcel | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jun 15, 2024 | Schroer | 1–0 | Wim Keijsers | Round 2: Schroer, Marcel - Wim Keijsers | Queen's Gambit Declined: Marshall Defense | |
| Jun 15, 2024 | Ten Kate | 1–0 | Schroer | Round 1: Ten Kate, Gustav - Schroer, Marcel | Caro-Kann Defense: Tartakower Variation | |
| Mar 30, 2024 | Schroer | 0–1 | Labruyere | Round 2: Schroer, Marcel - Labruyere, Roger | Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense | |
| Mar 19, 2024 | Thorfinnsson | 1–0 | Schroer | Reykjavik Open 2024 | Queen's Pawn Game: Torre Attack, Gossip Variation | |
| Mar 15, 2024 | Kjartansson | 1–0 | Schroer | Reykjavik Open 2024 | English Opening: Caro-Kann Defensive System | |
| Aug 7, 2022 | Schmaltz | 1–0 | Schroer | Letni Praha 2022 | Caro-Kann Defense: Advance Variation | |
| Aug 6, 2022 | Schroer | ½–½ | Pap | Letni Praha 2022 | Queen's Pawn Game | |
