| 10 jul 2026 | Oppitz, Peter 2057 | Schoetzig, Detlef 2111 | ½-½ | B01 Defensa Escandinava: Modern Variation | 34. Off. Senioren-LEM Sachsen-Anhalt | 50+ | 13 | Ver |
| 9 jul 2026 | Oppitz, Peter 2057 | Zschischang, Gunnar 2057 | ½-½ | B43 Defensa Siciliana: Kan Variation, Wing Attack | 34. Off. Senioren-LEM Sachsen-Anhalt | 50+ | 19 | Ver |
| 8 jul 2026 | Heikaus, Frank 2073 | Oppitz, Peter 2057 | ½-½ | A45 Ataque Trompowsky | 34. Off. Senioren-LEM Sachsen-Anhalt | 50+ | 21 | Ver |
| 4 jul 2026 | Kargoll, Boris, Dr. 2213 | Oppitz, Peter 2057 | ½-½ | E60 Defensa India de Rey: Normal Variation, King's Knight Variation | 34. Off. Senioren-LEM Sachsen-Anhalt | 50+ | 57 | Ver |
| 28 mar 2026 | Oppitz, Peter 2035 | Adelmeyer, Matti 2042 | 1-0 | B14 Defensa Caro-Kann: Panov Attack, Fianchetto Defense | German Amateur Championship 25/26 | Travemünde | 41 | Ver |
| 20 dic 2025 | Guelsen, Taylan 2063 | Oppitz, Peter 2053 | 1-0 | D01 Rapport-Jobava System | German Amateur Championship 25/26 | Bonn Qualifier 1901 - 2100 | 41 | Ver |