| 21 jul 2026 | Vatter, Hans-Joachim 2124 | Knaak, Rainer 2381 | 0-1 | A09 Apertura Réti: Advance Variation | German Chess Championship 2026 | Seniors 65+ | 79 | Ver |
| 7 jul 2026 | Buecker, Stefan 2250 | Knaak, Rainer 2381 | 0-1 | A00 Apertura Polaca: Baltic Defense | German Chess Championship 2026 | Seniors 65+ | 37 | Ver |
| 7 jul 2026 | Juhnke, Juergen 2219 | Knaak, Rainer 2381 | 0-1 | C44 Apertura Escocesa: Scotch Gambit, Advance Variation | German Chess Championship 2026 | Seniors 65+ | 73 | Ver |
| 7 jul 2026 | Knaak, Rainer 2381 | Kannenberg, Karl-Heinz 2074 | ½-½ | D15 Defensa Eslava: Geller Gambit | German Chess Championship 2026 | Seniors 65+ | 60 | Ver |
| 7 jul 2026 | Hartlieb, Juergen 2033 | Knaak, Rainer 2381 | 0-1 | C47 Apertura de los Cuatro Caballos | German Chess Championship 2026 | Seniors 65+ | 46 | Ver |
| 9 jun 2026 | Knaak, Rainer 2390 | Vehi Bach, Victor Manuel 2179 | ½-½ | D31 Gambito de Dama rehusado: Queen's Knight Variation | European Senior Chess Championship 2026 | 65+ | 44 | Ver |
| 8 jun 2026 | Guigonis, Dominique 2293 | Knaak, Rainer 2390 | 0-1 | D38 Gambito de Dama rehusado: Ragozin Defense, Alekhine Variation | European Senior Chess Championship 2026 | 65+ | 32 | Ver |
| 7 jun 2026 | Knaak, Rainer 2390 | Boulard, Eric 2224 | ½-½ | E04 Apertura Catalana: Open Defense | European Senior Chess Championship 2026 | 65+ | 98 | Ver |
| 6 jun 2026 | Luminet, Denis 2123 | Knaak, Rainer 2390 | ½-½ | B30 Defensa Siciliana: Old Sicilian | European Senior Chess Championship 2026 | 65+ | 48 | Ver |
| 5 jun 2026 | Knaak, Rainer 2390 | Stoinev, Metodi 2149 | 1-0 | E11 Defensa Bogoindia: Retreat Variation | European Senior Chess Championship 2026 | 65+ | 38 | Ver |
| 3 jun 2026 | Knaak, Rainer 2390 | Van Hoolandt, Patrick 2013 | ½-½ | E25 Defensa Nimzoindia: Sämisch Variation, Romanovsky Variation | European Senior Chess Championship 2026 | 65+ | 59 | Ver |
| 1 jun 2026 | Sturua, Zurab 2484 | Knaak, Rainer 2390 | 1-0 | D39 Gambito de Dama rehusado: Ragozin Defense, Vienna Variation | European Senior Chess Championship 2026 | 65+ | 70 | Ver |
| 28 abr 2026 | Motuz, Karol 2233 | Knaak, Rainer 2401 | ½-½ | D37 Gambito de Dama rehusado: Vienna Variation, Quiet Variation | FIDE World Senior Team Championships 2026 - Senior 65+ | 25 | Ver |
| 27 abr 2026 | Knaak, Rainer 2401 | Haik, Aldo 2370 | 1-0 | E91 Defensa India de Rey: Orthodox Variation | FIDE World Senior Team Championships 2026 - Senior 65+ | 27 | Ver |
| 26 abr 2026 | Kalegin, Evgenij 2270 | Knaak, Rainer 2401 | ½-½ | B30 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack | FIDE World Senior Team Championships 2026 - Senior 65+ | 51 | Ver |
| 25 abr 2026 | Knaak, Rainer 2401 | Kosten, Anthony C. 2374 | ½-½ | E14 Queen's Indian Defense, with e3 | FIDE World Senior Team Championships 2026 - Senior 65+ | 23 | Ver |
| 22 abr 2026 | Knaak, Rainer 2401 | Ortega, Lexy 2323 | 0-1 | D10 Defensa Eslava: Exchange Variation | FIDE World Senior Team Championships 2026 - Senior 65+ | 54 | Ver |
| 21 abr 2026 | Bykhovsky, Avigdor 2315 | Knaak, Rainer 2401 | 1-0 | D35 Gambito de Dama rehusado: Exchange Variation, Positional Variation | FIDE World Senior Team Championships 2026 - Senior 65+ | 52 | Ver |
| 18 abr 2026 | Knaak, Rainer 2401 | Orton, Stephen L A 2117 | 1-0 | E73 Defensa India de Rey: Semi-Averbakh System | FIDE World Senior Team Championships 2026 - Senior 65+ | 31 | Ver |
| 1 nov 2025 | Knaak, Rainer 2416 | Pogorelov, Ruslan 2258 | ½-½ | E11 Defensa Bogoindia: Grünfeld Variation | FIDE World Senior Championship 2025 | Open 65+ | 43 | Ver |