| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. W Hase vs L Ostrowski |
| 1-0 | 31 |
1997 |
ICCF - corr | D37 Queen's Gambit Declined |
| 2. M Gunnarsson vs W Hase |
| ½-½ | 20 |
1997 |
ICCF - corr | D31 Queen's Gambit Declined |
| 3. D Reppmann vs W Hase |
| 1-0 | 42 |
1997 |
ICCF - corr | B97 Sicilian, Najdorf |
| 4. W Hase vs M Migicovsky |
| 1-0 | 28 |
1997 |
ICCF - corr | E12 Queen's Indian |
| 5. V Bendersky vs W Hase |
| 0-1 | 33 |
1997 |
ICCF - corr | D18 Queen's Gambit Declined Slav, Dutch |
| 6. L Jakobetz vs W Hase |
| 0-1 | 48 |
1997 |
ICCF - corr | E12 Queen's Indian |
| 7. W Hase vs A Macchia |
| 0-1 | 31 |
1997 |
ICCF - corr | D44 Queen's Gambit Declined Semi-Slav |
| 8. W Hase vs P Verdier |
| 1-0 | 41 |
1997 |
ICCF - corr | A57 Benko Gambit |
| 9. W Hase vs M De Almeida |
| 1-0 | 50 |
1997 |
ICCF - corr | D43 Queen's Gambit Declined Semi-Slav |
| 10. W Hase vs P Salcedo Mederos |
| 1-0 | 49 |
1997 |
ICCF - corr | D11 Queen's Gambit Declined Slav |
| 11. R V M Hall vs W Hase |
| 0-1 | 71 |
1997 |
ICCF - corr | B90 Sicilian, Najdorf |
| 12. G Schoeneberg vs W Hase |
| ½-½ | 27 |
1997 |
ICCF - corr | D17 Queen's Gambit Declined Slav |
| 13. W Hase vs M Kahn |
| ½-½ | 35 |
1999 |
ICCF - corr | E51 Nimzo-Indian, 4.e3 |
| 14. H Grabinger vs W Hase |
| ½-½ | 35 |
1999 |
ICCF - corr | D63 Queen's Gambit Declined, Orthodox Defense |
| 15. R Holmberg vs W Hase |
| 1-0 | 41 |
1999 |
ICCF - corr | E43 Nimzo-Indian, Fischer Variation |
| 16. W Hase vs H John |
| ½-½ | 38 |
1999 |
ICCF - corr | E68 King's Indian, Fianchetto, Classical Variation, 8.e4 |
| 17. J Enricci vs W Hase |
| ½-½ | 64 |
1999 |
ICCF - corr | D88 Grunfeld, Spassky Variation, Main line, 10...cd, 11.cd |
| 18. W Hase vs A J Ugge |
| ½-½ | 74 |
1999 |
ICCF - corr | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 19. W Hase vs L Hyldkrog |
| ½-½ | 85 |
1999 |
ICCF - corr | D38 Queen's Gambit Declined, Ragozin Variation |
| 20. G Van Perlo vs W Hase |
| ½-½ | 72 |
1999 |
ICCF - corr | B22 Sicilian, Alapin |
| 21. J Edwards vs W Hase |
| ½-½ | 42 |
1999 |
ICCF - corr | C24 Bishop's Opening |
| 22. W Hase vs H Polzer |
| 1-0 | 75 |
1999 |
ICCF - corr | E62 King's Indian, Fianchetto |
| 23. W Hase vs A Hoffmann |
| ½-½ | 52 |
1999 |
ICCF - corr | B72 Sicilian, Dragon |
| 24. W Pasko vs W Hase |
| 1-0 | 49 |
1999 |
ICCF - corr | C88 Ruy Lopez |
| 25. G P David vs W Hase |
| 0-1 | 33 |
1999 |
ICCF - corr | D04 Queen's Pawn Game |