| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. H Pfleger vs O Kinnmark |
| ½-½ | 11 |
1961 |
Wch U20 prel-B | C24 Bishop's Opening |
| 2. H Pfleger vs M Bobotsov |
| ½-½ | 37 |
1964 |
Tel Aviv ol (Men) prel | A15 English |
| 3. Gligoric vs H Pfleger |
| ½-½ | 27 |
1964 |
Hastings 6465 | C92 Ruy Lopez, Closed |
| 4. P N Lee vs H Pfleger |
| ½-½ | 27 |
1964 |
Zurich - jungmeister | C92 Ruy Lopez, Closed |
| 5. H Pfleger vs O M Hindle |
| ½-½ | 28 |
1964 |
Hastings6465 | E75 King's Indian, Averbakh, Main line |
| 6. H Pfleger vs O Jakobsen |
| ½-½ | 41 |
1964 |
Zurich - jungmeister | A56 Benoni Defense |
| 7. Stein vs H Pfleger |
| ½-½ | 43 |
1964 |
Olympiad | B17 Caro-Kann, Steinitz Variation |
| 8. H Pfleger vs C Zuidema |
| ½-½ | 34 |
1964 |
Zurich - jungmeister | E15 Queen's Indian |
| 9. Hort vs H Pfleger |
| ½-½ | 27 |
1964 |
Tel Aviv | D02 Queen's Pawn Game |
| 10. H Pfleger vs Unzicker |
| ½-½ | 31 |
1964 |
Ch Germany (match) | C52 Evans Gambit |
| 11. C B Van den Berg vs H Pfleger |
| ½-½ | 20 |
1965 |
EU-chT (Men) | D68 Queen's Gambit Declined, Orthodox Defense, Classical |
| 12. Gligoric vs H Pfleger |
| ½-½ | 27 |
1965 |
Hastings 6566 | D68 Queen's Gambit Declined, Orthodox Defense, Classical |
| 13. H Pfleger vs L Lengyel |
| ½-½ | 22 |
1965 |
Ch Europe (team) | C55 Two Knights Defense |
| 14. Korchnoi vs H Pfleger |
| ½-½ | 44 |
1965 |
EU-chT Hamburg | D30 Queen's Gambit Declined |
| 15. Huebner vs H Pfleger |
| ½-½ | 31 |
1965 |
FRG-ch | A13 English |
| 16. A Matanovic vs H Pfleger |
| ½-½ | 64 |
1966 |
Palma de Mallorca | B17 Caro-Kann, Steinitz Variation |
| 17. Ivkov vs H Pfleger |
| ½-½ | 61 |
1966 |
Palma de Mallorca | D37 Queen's Gambit Declined |
| 18. H Pfleger vs Portisch |
| ½-½ | 42 |
1966 |
Palma de Mallorca | A08 King's Indian Attack |
| 19. Wade vs H Pfleger |
| ½-½ | 27 |
1966 |
Palma de Mallorca | D61 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
| 20. Tringov vs H Pfleger |
| ½-½ | 44 |
1966 |
The Hague zt | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 21. H Pfleger vs P Trifunovic |
| ½-½ | 20 |
1966 |
Palma de Mallorca | C48 Four Knights |
| 22. H Pfleger vs Velimirovic |
| ½-½ | 58 |
1966 |
The Hague zt | A39 English, Symmetrical, Main line with d4 |
| 23. F Visier Segovia vs H Pfleger |
| ½-½ | 48 |
1966 |
Palma de Mallorca | D10 Queen's Gambit Declined Slav |
| 24. Vasiukov vs H Pfleger |
| ½-½ | 45 |
1967 |
Bucharest | B14 Caro-Kann, Panov-Botvinnik Attack |
| 25. H Pfleger vs M F Littleton |
| ½-½ | 32 |
1967 |
EU-chT (prelim) | A72 Benoni, Classical without 9.O-O |