| 24 jul 2026 | Stigar, Petter 2139 | Kesseler, Heiko 2101 | ½-½ | D37 Gambito de Dama rehusado: Three Knights Variation | German Chess Championship 2026 | Seniors 65+ | 16 | Ver |
| 23 jul 2026 | Kesseler, Heiko 2101 | Juhnke, Juergen 2219 | ½-½ | B51 Defensa Siciliana: Moscow Variation | German Chess Championship 2026 | Seniors 65+ | 30 | Ver |
| 22 jul 2026 | Werner, Clemens 2232 | Kesseler, Heiko 2101 | ½-½ | B22 Defensa Siciliana: Delayed Alapin Variation | German Chess Championship 2026 | Seniors 65+ | 45 | Ver |
| 24 sep 2025 | Born, Mario 2145 | Kesseler, Heiko 2112 | 1-0 | D35 Gambito de Dama rehusado: Exchange Variation | German Senior Team Championship of the State Associations | S50 | 41 | Ver |