| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. H Lachmann vs W Groenegress |
| 0-1 | 45 | 1958 | OWL-ch | A82 Dutch, Staunton Gambit |
| 2. Drevermann vs W Groenegress |
| 0-1 | 32 | 1959 | Ost Westfalen Lippe-ch | B25 Sicilian, Closed |
| 3. W Groenegress vs Fischer |
 | 0-1 | 36 | 1970 | Fischer Simul, 20b Muenster | B23 Sicilian, Closed |
| 4. W Groenegress vs W Berner |
| 1-0 | 39 | 1972 | West German Championship | C16 French, Winawer |
| 5. W Groenegress vs A Colditz |
| 1-0 | 41 | 1972 | West German Championship | B92 Sicilian, Najdorf, Opocensky Variation |
| 6. H Bastian vs W Groenegress |
| 0-1 | 51 | 1972 | West German Championship | E17 Queen's Indian |
| 7. W Groenegress vs M Heilemann |
| 1-0 | 29 | 1972 | West German Championship | C26 Vienna |
| 8. W Groenegress vs G Nippgen |
| ½-½ | 41 | 1972 | West German Championship | A07 King's Indian Attack |
| 9. W Groenegress vs M Eisinger |
| 0-1 | 24 | 1972 | West German Championship | B45 Sicilian, Taimanov |
| 10. W Groenegress vs P Schaffarth |
| ½-½ | 37 | 1972 | West German Championship | B14 Caro-Kann, Panov-Botvinnik Attack |
| 11. W Groenegress vs W Taeger |
| 1-0 | 41 | 1972 | West German Championship | C74 Ruy Lopez, Modern Steinitz Defense |
| 12. W Groenegress vs R Zunker |
| ½-½ | 30 | 1972 | West German Championship | B43 Sicilian, Kan, 5.Nc3 |
| 13. J Haecker vs W Groenegress |
| 1-0 | 50 | 1972 | West German Championship | E11 Bogo-Indian Defense |
| 14. G Haubt vs W Groenegress |
| ½-½ | 41 | 1972 | West German Championship | C41 Philidor Defense |
| 15. M Hermann vs W Groenegress |
| 1-0 | 27 | 1972 | West German Championship | B09 Pirc, Austrian Attack |
| 16. T Peine vs W Groenegress |
| 1-0 | 47 | 1972 | West German Championship | B56 Sicilian |
| 17. W Reichenbach vs W Groenegress |
| 1-0 | 35 | 1972 | West German Championship | C26 Vienna |
| 18. W Rostalski vs W Groenegress |
| ½-½ | 46 | 1972 | West German Championship | A21 English |
| 19. W Groenegress vs B Sandmann |
| 1-0 | 25 | 1975 | NRW-ch | B14 Caro-Kann, Panov-Botvinnik Attack |
| 20. W Groenegress vs U Waagener |
| ½-½ | 26 | 1976 | NRW-ch | B04 Alekhine's Defense, Modern |
| 21. S Ingenerf vs W Groenegress |
| ½-½ | 38 | 1981 | NRW-ch | A28 English |
| 22. M Mudersbach vs W Groenegress |
| 0-1 | 50 | 1981 | NRW-ch | B28 Sicilian, O'Kelly Variation |
| 23. W Groenegress vs R Lau |
| ½-½ | 22 | 1981 | NRW-ch | B45 Sicilian, Taimanov |
| 24. W Groenegress vs G Schmidt |
| ½-½ | 37 | 1981 | NRW-ch | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 25. W Groenegress vs G Gruen |
| ½-½ | 50 | 1981 | NRW-ch | B22 Sicilian, Alapin |
Kibitzing
