| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Zbibovski vs H Pfleger |
| 0-1 | 23 |
1959 |
DDR Junior Championship | A02 Bird's Opening |
| 2. H Pfleger vs R Bernhardt |
| 0-1 | 28 |
1959 |
FRG-ch U20 | C56 Two Knights |
| 3. H Pfleger vs K Darga |
| 0-1 | 43 |
1961 |
FRG-ch 06th | B25 Sicilian, Closed |
| 4. Suttles vs H Pfleger |
 | 0-1 | 41 |
1964 |
Tel Aviv | C26 Vienna |
| 5. D Byrne vs H Pfleger |
| 0-1 | 51 |
1964 |
Tel Aviv ol (Men) fin-A | A14 English |
| 6. F Tejero Royo vs H Pfleger |
 | 0-1 | 29 |
1964 |
Zurich - jungmeister | A03 Bird's Opening |
| 7. Kurajica vs H Pfleger |
| 0-1 | 31 |
1964 |
Zurich - jungmeister | C84 Ruy Lopez, Closed |
| 8. F Kuijpers vs H Pfleger |
| 0-1 | 28 |
1964 |
FRG-NED | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 9. H Pfleger vs A Menvielle Laccourreye |
| 0-1 | 39 |
1966 |
Palma de Mallorca | A04 Reti Opening |
| 10. H Pfleger vs O'Kelly |
| 0-1 | 53 |
1966 |
Palma de Mallorca | E22 Nimzo-Indian, Spielmann Variation |
| 11. H Lehmann vs H Pfleger |
| 0-1 | 57 |
1966 |
Palma de Mallorca | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 12. M F Littleton vs H Pfleger |
| 0-1 | 32 |
1967 |
EU-chT (prelim) | C90 Ruy Lopez, Closed |
| 13. H Pfleger vs Keres |
 | 0-1 | 51 |
1968 |
Bamberg Inf5/45 | A23 English, Bremen System, Keres Variation |
| 14. I Bilek vs H Pfleger |
| 0-1 | 37 |
1968 |
Olympiad | B14 Caro-Kann, Panov-Botvinnik Attack |
| 15. M Bobotsov vs H Pfleger |
| 0-1 | 57 |
1968 |
Bamberg | D55 Queen's Gambit Declined |
| 16. H Pfleger vs Korchnoi |
| 0-1 | 37 |
1971 |
Hastings 1971/72 | A22 English |
| 17. P Markland vs H Pfleger |
| 0-1 | 40 |
1972 |
Hastings 1971/72 | A13 English |
| 18. H Pfleger vs Mecking |
| 0-1 | 39 |
1972 |
Hastings 1971/72 | A17 English |
| 19. C Escondrillas vs H Pfleger |
| 0-1 | 40 |
1972 |
Skopje ol (Men) | C68 Ruy Lopez, Exchange |
| 20. J A Rubinetti vs H Pfleger |
 | 0-1 | 26 |
1972 |
Skopje ol (Men) | E08 Catalan, Closed |
| 21. H Pfleger vs Keres |
 | 0-1 | 48 |
1973 |
Tallinn | C45 Scotch Game |
| 22. H Pfleger vs H Karner |
| 0-1 | 45 |
1973 |
Tallinn | B06 Robatsch |
| 23. Saidy vs H Pfleger |
| 0-1 | 34 |
1973 |
Tallinn | D34 Queen's Gambit Declined, Tarrasch |
| 24. Kraidman vs H Pfleger |
| 0-1 | 53 |
1974 |
Manila | A41 Queen's Pawn Game (with ...d6) |
| 25. H Pfleger vs Vasiukov |
| 0-1 | 42 |
1974 |
Capablanca mem-A | D02 Queen's Pawn Game |