| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Timman vs B Cafferty |
| ½-½ | 17 |
1963 |
corr | B04 Alekhine's Defense, Modern |
| 2. Timman vs A Van den Berg |
| ½-½ | 39 |
1964 |
Rotterdam ch-NED jr | D86 Grunfeld, Exchange |
| 3. Timman vs J Willemsen |
| ½-½ | 20 |
1965 |
The Hague ch-jr | C50 Giuoco Piano |
| 4. Timman vs M Steinberg |
| ½-½ | 12 |
1966 |
Groningen Ech-jr pre | D10 Queen's Gambit Declined Slav |
| 5. H De Wilde vs Timman |
| ½-½ | 26 |
1966 |
Delft ch-NED jr 09 | A03 Bird's Opening |
| 6. Timman vs G Svensson |
| ½-½ | 41 |
1966 |
Groningen Ech-jr pre | A58 Benko Gambit |
| 7. J Willemsen vs Timman |
| ½-½ | 14 |
1966 |
Delft ch-NED jr | A95 Dutch, Stonewall |
| 8. Timman vs J Rooze |
| ½-½ | 16 |
1966 |
Groningen Ech-jr fin | E17 Queen's Indian |
| 9. Timman vs J M Glendinning |
| ½-½ | 45 |
1966 |
Paris tt jr | E88 King's Indian, Samisch, Orthodox, 7.d5 c6 |
| 10. A J Whiteley vs Timman |
| ½-½ | 37 |
1966 |
Groningen Ech-jr fin | D44 Queen's Gambit Declined Semi-Slav |
| 11. Gligoric vs Timman |
| ½-½ | 22 |
1966 |
Groningen klok | D22 Queen's Gambit Accepted |
| 12. M Steinberg vs Timman |
| ½-½ | 51 |
1966 |
Groningen Ech-jr fin | D03 Torre Attack (Tartakower Variation) |
| 13. Timman vs W Pils |
| ½-½ | 28 |
1967 |
Jeruzalem Wch-jr pre | D91 Grunfeld, 5.Bg5 |
| 14. J Van Baarle vs Timman |
| ½-½ | 60 |
1967 |
Amsterdam IBM III | A23 English, Bremen System, Keres Variation |
| 15. Ghizdavu vs Timman |
| ½-½ | 63 |
1967 |
Jerusalem YWCH | C04 French, Tarrasch, Guimard Main line |
| 16. Timman vs T Krabbe |
 | ½-½ | 86 |
1967 |
Amsterdam IBM III | D03 Torre Attack (Tartakower Variation) |
| 17. D Ciric vs Timman |
| ½-½ | 41 |
1967 |
Groningen klok | E11 Bogo-Indian Defense |
| 18. E Eichhorn vs Timman |
| ½-½ | 20 |
1967 |
The Hague tt jr | C01 French, Exchange |
| 19. D Zara vs Timman |
| ½-½ | 55 |
1967 |
Groningen Ech-jr | A40 Queen's Pawn Game |
| 20. Timman vs Karpov |
 | ½-½ | 18 |
1967 |
06, Groningen Ech-jr pre | A46 Queen's Pawn Game |
| 21. Timman vs Keene |
| ½-½ | 41 |
1967 |
Jeruzalem Wch-jr fin (02) | A42 Modern Defense, Averbakh System |
| 22. Huebner vs Timman |
| ½-½ | 14 |
1967 |
Jeruzalem Wch-jr pre | B13 Caro-Kann, Exchange |
| 23. Timman vs J G van Eybergen |
| ½-½ | 43 |
1967 |
Amsterdam IBM III | D07 Queen's Gambit Declined, Chigorin Defense |
| 24. R Kraus vs Timman |
| ½-½ | 50 |
1968 |
Biel op | A40 Queen's Pawn Game |
| 25. H Ree vs Timman |
| ½-½ | 41 |
1968 |
Rotterdam m 01 | B04 Alekhine's Defense, Modern |