| Jun 7, 2026 | Stelmaszyk | 1–0 | Scheffner | Round 4: Stelmaszyk, Nico - Scheffner, Jarno | Sicilian Defense: Alapin Variation | |
| Jan 5, 2026 | Scheffner | 1–0 | Sieber | Runde 7: Scheffner, Jarno - Sieber, Bert | Sicilian Defense: Kan Variation, Polugaevsky Variation | |
| Jan 4, 2026 | Riemay | 1–0 | Scheffner | Runde 6: Riemay, David - Scheffner, Jarno | Sicilian Defense: Najdorf Variation | |
| Jan 4, 2026 | Scheffner | 0–1 | Holtwessels | Runde 5: Scheffner, Jarno - Holtwessels, Jan | Ruy Lopez: Fianchetto Defense | |
| Jan 3, 2026 | Scheffner | 1–0 | Sauer | Runde 4: Scheffner, Jarno - Sauer, Tim | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jan 3, 2026 | Lau | 0–1 | Scheffner | Runde 3: Lau, Theodor - Scheffner, Jarno | Sicilian Defense: Najdorf Variation | |
| Jan 2, 2026 | Mueer | 1–0 | Scheffner | Runde 2: Mueer, Sebastian - Scheffner, Jarno | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Jan 2, 2026 | Scheffner | 0–1 | Nechitaylo | Runde 1: Scheffner, Jarno - Nechitaylo, Nikita | Sicilian Defense: Kalashnikov Variation | |
| Oct 9, 2025 | Diez Fraile | 1–0 | Scheffner | Round 6: Diez Fraile, Mariano - Scheffner, Jarno | Neo-Grünfeld Defense: with g3 | |
| Oct 8, 2025 | Scheffner | ½–½ | Tscharotschkin | Round 5: Scheffner, Jarno - Tscharotschkin, Michael | French Defense: Winawer Variation, Bogoljubow Variation | |
| Oct 5, 2025 | Castell Cantero | 1–0 | Scheffner | Round 2: Castell Cantero, Salvador - Scheffner, Jarno | Rapport-Jobava System | |
| Jun 9, 2025 | Scheffner | 1–0 | Praszczalek | Round 7: Scheffner, Jarno - Praszczalek, Jakub | Sicilian Defense: French Variation | |
| Jun 9, 2025 | Scheffner | 1–0 | Schocke | Round 6: Scheffner, Jarno - Schocke, Mark | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jun 8, 2025 | Kummerow | 1–0 | Scheffner | Round 5: Kummerow, Heiko - Scheffner, Jarno | Sicilian Defense: Najdorf Variation | |
| Jun 8, 2025 | Kia | 0–1 | Scheffner | Round 4: Kia, Arman Mehdi - Scheffner, Jarno | King's Pawn Game: Dresden Opening | |
| Jun 7, 2025 | Scheffner | 0–1 | Boos | Round 3: Scheffner, Jarno - Boos, Patrick | French Defense: Winawer Variation, Bogoljubow Variation | |
| Jun 7, 2025 | Schumann | 0–1 | Scheffner | Round 2: Schumann, Lasse - Scheffner, Jarno | Indian Defense: London System | |
| Jun 6, 2025 | Scheffner | 1–0 | Kurakin | Round 1: Scheffner, Jarno - Kurakin, Martin | Sicilian Defense: Scheveningen Variation | |
| Jan 5, 2025 | Scheffner | ½–½ | Kieselbach | Round 7: Scheffner, Jarno - Kieselbach, Marvin | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Jan 4, 2025 | Scheffner | ½–½ | Hoellman | Round 5: Scheffner, Jarno - Hoellman, Ludger | Caro-Kann Defense: Maróczy Variation | |
| Jan 4, 2025 | Freise | 0–1 | Scheffner | Round 6: Freise, Linus - Scheffner, Jarno | Sicilian Defense: Closed | |
| Jan 3, 2025 | Scheffner | 0–1 | Stotyn | Round 3: Scheffner, Jarno - Stotyn, Fabian | French Defense: Paulsen Variation | |
| Jan 3, 2025 | Aden | 0–1 | Scheffner | Round 4: Aden, Tammo - Scheffner, Jarno | Queen's Pawn Game: Symmetrical Variation | |
| Jan 2, 2025 | Scheffner | 1–0 | Beckmann | Round 1: Scheffner, Jarno - Beckmann, Jonathan | Sicilian Defense: Najdorf Variation | |
| Jan 2, 2025 | Eschholz | 0–1 | Scheffner | Round 2: Eschholz, Enno - Scheffner, Jarno | Sicilian Defense: Closed | |
| Nov 17, 2024 | Graf | 0–1 | Scheffner | Round 4: Graf, David - Scheffner, Jarno | ? | |
| Nov 17, 2024 | Zhang | 1–0 | Scheffner | Round 5: Zhang, Onno - Scheffner, Jarno | Sicilian Defense: Smith-Morra Gambit | |
| Nov 16, 2024 | Scheffner | 0–1 | Jacobi | Round 3: Scheffner, Jarno - Jacobi, Felix-Hagen | French Defense: Winawer Variation, Bogoljubow Variation | |
| Nov 16, 2024 | Rademacher | 0–1 | Scheffner | Round 2: Rademacher, Bengt - Scheffner, Jarno | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Nov 15, 2024 | Scheffner | 0–1 | Krueger | Round 1: Scheffner, Jarno - Krueger, Moritz | French Defense: Exchange Variation, Monte Carlo Variation | |
| Jan 7, 2023 | Scheffner | 0–1 | Heldt | Lower Saxony Championship | A | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Jan 7, 2023 | Koch | 0–1 | Scheffner | Lower Saxony Championship | A | Queen's Gambit Accepted: Classical Defense, Alekhine System, Main Line | |
| Jan 5, 2023 | Kuegel | 1–0 | Scheffner | Lower Saxony Championship | A | Ruy Lopez: Berlin Defense, Rosenthal Variation | |
| — | Koridze | 1–0 | Scheffner | Open Letni Praha 2025 | Grünfeld Defense: Exchange Variation | |
