| 24 jul 2026 | Polster, Wolfgang, Dr. 2120 | Sandner, Gunter 2236 | 0-1 | B08 Defensa Pirc: Classical Variation, Schlechter Variation | German Chess Championship 2026 | Seniors 65+ | 40 | Ver |
| 23 jul 2026 | Sandner, Gunter 2236 | Kornrumpf, Joachim 2050 | 1-0 | A72 Defensa Benoni: Classical Variation | German Chess Championship 2026 | Seniors 65+ | 44 | Ver |
| 22 jul 2026 | Mueller, Michael 2065 | Sandner, Gunter 2236 | ½-½ | A46 Defensa India: London System | German Chess Championship 2026 | Seniors 65+ | 19 | Ver |
| 20 jul 2026 | Rosen, Willy 2045 | Sandner, Gunter 2236 | ½-½ | B23 Defensa Siciliana: Closed, Chameleon Variation | German Chess Championship 2026 | Seniors 65+ | 55 | Ver |
| 27 abr 2026 | Kosten, Anthony C. 2374 | Sandner, Gunter 2230 | 1-0 | A20 Apertura Inglesa: King's English Variation | FIDE World Senior Team Championships 2026 - Senior 65+ | 30 | Ver |
| 26 abr 2026 | Sandner, Gunter 2230 | Ivanovic, Bozidar 2318 | ½-½ | E05 Apertura Catalana: Open Defense, Classical Line | FIDE World Senior Team Championships 2026 - Senior 65+ | 18 | Ver |
| 25 abr 2026 | Sandner, Gunter 2230 | Raetsky, Alexander 2282 | ½-½ | D02 Apertura de Peón de Dama: Symmetrical Variation, Pseudo-Catalan | FIDE World Senior Team Championships 2026 - Senior 65+ | 24 | Ver |