| May 25, 2026 | Vortmeier | 0–1 | Schless | Round 7: Vortmeier, Jan - Schless, Sebastian | King's Indian Defense: Petrosian Variation, Stein Defense | |
| May 25, 2026 | Schless | 1–0 | Braun | Round 6: Schless, Sebastian - Braun, Joshua | Sicilian Defense: Smith-Morra Gambit Accepted | |
| May 24, 2026 | Reuter | 1–0 | Schless | Round 5: Reuter, Julian-Frank - Schless, Sebastian | King's Indian Attack: Symmetrical Defense | |
| May 24, 2026 | Schless | 1–0 | Freese | Round 4: Schless, Sebastian - Freese, Carsten | Scandinavian Defense: Main Line | |
| May 23, 2026 | Ebert | ½–½ | Schless | Round 3: Ebert, Wolf - Schless, Sebastian | Indian Defense | |
| May 23, 2026 | Schless | ½–½ | Li | Round 2: Schless, Sebastian - Li, Hewei | Sicilian Defense: Smith-Morra Gambit Accepted, Pin Defense | |
| May 22, 2026 | Schlenkert | 0–1 | Schless | Round 1: Schlenkert, Ralf - Schless, Sebastian | East Indian Defense | |
| Dec 30, 2025 | Schless | 0–1 | Maenken | Round 7: Schless, Sebastian - Maenken, Merlin | Sicilian Defense: Smith-Morra Gambit | |
| Dec 30, 2025 | Terhuven | ½–½ | Schless | Round 6: Terhuven, Patrick - Schless, Sebastian | Zukertort Opening: Reversed Grünfeld | |
| Dec 29, 2025 | Schless | * | Peters | Round 5: Schless, Sebastian - Peters, Alex | Alekhine Defense: Four Pawns Attack, Main Line | |
| Dec 29, 2025 | Rustemeyer | 0–1 | Schless | Round 4: Rustemeyer, Stephan - Schless, Sebastian | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Dec 28, 2025 | Schless | 1–0 | Reimer | Round 3: Schless, Sebastian - Reimer, Felix Ryu | Sicilian Defense: Smith-Morra Gambit Accepted | |
| Dec 28, 2025 | Panjer | 1–0 | Schless | Round 2: Panjer, Sidney - Schless, Sebastian | King's Indian Attack: Sicilian Variation | |
| Dec 27, 2025 | Schless | 1–0 | Luven | Round 1: Schless, Sebastian - Luven, Thomas | Sicilian Defense: Smith-Morra Gambit Accepted | |
| Jun 9, 2025 | Schless | 1–0 | Estrin | Round 7: Schless, Sebastian - Estrin, Boris | Scandinavian Defense: Main Line, Mieses Variation | |
| Jun 9, 2025 | Abu Sanimeh | 1–0 | Schless | Round 6: Abu Sanimeh, Husam - Schless, Sebastian | Queen's Pawn Game: Barry Attack | |
| Jun 8, 2025 | Schless | ½–½ | Potrafke | Round 5: Schless, Sebastian - Potrafke, Lukas | Sicilian Defense: Smith-Morra Gambit Accepted | |
| Jun 8, 2025 | Becciu | ½–½ | Schless | Round 4: Becciu, Paolo - Schless, Sebastian | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Jun 7, 2025 | Schless | 1–0 | Hoogeveen | Round 3: Schless, Sebastian - Hoogeveen, Luuk | King's Indian Defense: Sämisch Variation, Sämisch Gambit | |
| Jun 7, 2025 | Ngo | 1–0 | Schless | Round 2: Ngo, Quang Thai - Schless, Sebastian | King's Indian Defense: Semi-Averbakh System | |
| Jun 6, 2025 | Schless | 1–0 | Droesser | Round 1: Schless, Sebastian - Droesser, Georg | Alekhine Defense | |
| Apr 21, 2025 | Schless | 1–0 | Schmermbeck | Round 9: Schless, Sebastian - Schmermbeck, Tim | Caro-Kann Defense: Advance Variation, Van der Wiel Attack | |
| Apr 21, 2025 | Auwens | 1–0 | Schless | Round 8: Auwens, Michel - Schless, Sebastian | Sicilian Defense: Smith-Morra Gambit Accepted, Paulsen Formation | |
| Apr 20, 2025 | Schless | 1–0 | Milonas | Round 7: Schless, Sebastian - Milonas, Fotios | Sicilian Defense: Smith-Morra Gambit Accepted, Scheveningen Formation | |
| Apr 19, 2025 | Frisch | * | Schless | Round 5: Frisch, Thomas - Schless, Sebastian | ? | |
| Apr 18, 2025 | Schless | ½–½ | Rothberg | Round 3: Schless, Sebastian - Rothberg, Olaf | Sicilian Defense: Smith-Morra Gambit Declined, Push Variation | |
| Apr 17, 2025 | Grigo | 0–1 | Schless | Round 1: Grigo, Burkhard - Schless, Sebastian | East Indian Defense | |
| Dec 30, 2024 | Schless | 1–0 | Ebert | Round 7: Schless, Sebastian - Ebert, Wolf | Rat Defense: Small Center Defense | |
| Dec 30, 2024 | Schless | * | Lucena Friederich | Round 6: Schless, Sebastian - Lucena Friederich, Michael | King's Pawn Game | |
| Dec 29, 2024 | Toshmatov | 1–0 | Schless | Round 5: Toshmatov, Sherzod - Schless, Sebastian | Modern Defense | |
| Dec 29, 2024 | Schless | 1–0 | Luven | Round 4: Schless, Sebastian - Luven, Thomas | Sicilian Defense: Smith-Morra Gambit Accepted | |
| Dec 28, 2024 | Faerber | 1–0 | Schless | Round 3: Faerber, Anatoli - Schless, Sebastian | King's Indian Defense: Petrosian Variation, Stein Defense | |
| Dec 28, 2024 | Schless | 0–1 | Charbonnier Schuermann | Round 2: Schless, Sebastian - Charbonnier Schuermann, Michel | Sicilian Defense: Closed | |
| Dec 27, 2024 | Juntermanns | 0–1 | Schless | Round 1: Juntermanns, Peter - Schless, Sebastian | Zukertort Opening: Kingside Fianchetto | |
| Aug 4, 2024 | Schless | 0–1 | Nezhyvenko | Round 9: Schless, Sebastian - Nezhyvenko, Mykhaylo | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Aug 4, 2024 | Schless | 1–0 | Li | Round 8: Schless, Sebastian - Li, Hewei | Semi-Slav Defense: Main Line | |
| Aug 3, 2024 | Antonov | 1–0 | Schless | Round 7: Antonov, Alexander - Schless, Sebastian | Sicilian Defense: French Variation, Westerinen Attack | |
| Aug 3, 2024 | Komans | 0–1 | Schless | Round 6: Komans, Dieter - Schless, Sebastian | Sicilian Defense: French Variation | |
| Aug 2, 2024 | Schless | 1–0 | Konopka | Round 5: Schless, Sebastian - Konopka, Jan-Frederik | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Aug 2, 2024 | Schless | ½–½ | Albersmann | Round 4: Schless, Sebastian - Albersmann, Rene | Center Game: Berger Variation | |
| Aug 1, 2024 | Biessner | 0–1 | Schless | Round 3: Biessner, Eberhard - Schless, Sebastian | Sicilian Defense: Delayed Alapin Variation | |
| Aug 1, 2024 | Schless | 0–1 | Kovalskyy | Round 2: Schless, Sebastian - Kovalskyy, Alicia | Center Game: Berger Variation | |
| Jul 31, 2024 | Atar | 0–1 | Schless | Round 1: Atar, Semih Akif - Schless, Sebastian | English Opening: Great Snake Variation | |
| Apr 1, 2024 | Schless | 1–0 | Schicktanz | Round 9: Schless, Sebastian - Schicktanz, Florian | Sicilian Defense: Grand Prix Attack | |
| Apr 1, 2024 | Aengenheister | 1–0 | Schless | Round 8: Aengenheister, Dennis - Schless, Sebastian | King's Indian Defense: Exchange Variation | |
| Mar 31, 2024 | Schless | ½–½ | Stegemann | Round 7: Schless, Sebastian - Stegemann, Sven | Center Game: Paulsen Attack Variation | |
| Mar 31, 2024 | Schocke | 0–1 | Schless | Round 6: Schocke, Mark - Schless, Sebastian | English Opening: Great Snake Variation | |
| Mar 30, 2024 | Schless | ½–½ | Heinzel | Round 5: Schless, Sebastian - Heinzel, Thomas | Sicilian Defense: Closed | |
| Mar 30, 2024 | Schopp | 1–0 | Schless | Round 4: Schopp, Jan - Schless, Sebastian | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Mar 29, 2024 | Schless | 1–0 | Walker | Round 3: Schless, Sebastian - Walker, Julia | Sicilian Defense: Closed | |
| Mar 29, 2024 | Faber | 1–0 | Schless | Round 2: Faber, Lennart - Schless, Sebastian | Sicilian Defense: Kan Variation, Knight Variation | |
| Mar 28, 2024 | Schless | 1–0 | Winter | Round 1: Schless, Sebastian - Winter, Astrid | Sicilian Defense: Closed, Fianchetto Variation | |