| 29 mar 2026 | Medvedyk, Volodymyr 2178 | Burkhardt, Holger 2123 | 1-0 | A04 Apertura Zukertort: Dutch Variation | Schloss-Open | 36 | Ver |
| 29 mar 2026 | Burkhardt, Holger 2123 | Nakahara, Kan 2171 | 0-1 | C68 Apertura Española (Ruy López): Exchange Variation, Keres Variation | Schloss-Open | 54 | Ver |
| 28 mar 2026 | Hilverda, Alexander 2216 | Burkhardt, Holger 2123 | 0-1 | A91 Defensa Holandesa: Classical Variation, Blackburne Attack | Schloss-Open | 37 | Ver |
| 28 mar 2026 | Burkhardt, Holger 2123 | Kruse, Herbert 2120 | 1-0 | B07 Defensa Pirc: Byrne Variation | Schloss-Open | 45 | Ver |
| 27 mar 2026 | Burkhardt, Holger 2123 | von Zimmermann, Georg 2097 | 0-1 | B22 Defensa Siciliana: Alapin Variation | Schloss-Open | 58 | Ver |
| 27 mar 2026 | Scheffner, Axel, Dr. 2236 | Burkhardt, Holger 2123 | ½-½ | A91 Defensa Holandesa: Classical Variation, Blackburne Attack | Schloss-Open | 47 | Ver |
| 4 ene 2026 | Burkhardt, Holger 2124 | Renner, Kai 2073 | 0-1 | C03 Defensa Francesa: Tarrasch Variation, Morozevich Variation | Runde 6: Burkhardt, Holger - Renner, Kai | 59 | Ver |