| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. F Hoorweg vs Timman |
 | 0-1 | 25 |
1964 |
Haag | D15 Queen's Gambit Declined Slav |
| 2. Timman vs J Toorman |
| 1-0 | 41 |
1964 |
Rotterdam ch-NED jr | E15 Queen's Indian |
| 3. Timman vs M Simon |
| 1-0 | 35 |
1964 |
Rotterdam ch-NED jr | E83 King's Indian, Samisch |
| 4. F Van der Vliet vs Timman |
| 0-1 | 36 |
1964 |
The Hague ch-jr | D27 Queen's Gambit Accepted, Classical |
| 5. Timman vs J Van Baarle |
| 1-0 | 28 |
1964 |
Rotterdam ch-NED jr | E88 King's Indian, Samisch, Orthodox, 7.d5 c6 |
| 6. Meinders vs Timman |
| 0-1 | 29 |
1964 |
The Hague | A03 Bird's Opening |
| 7. J Marcus vs Timman |
| 0-1 | 43 |
1964 |
Rotterdam | C49 Four Knights |
| 8. Timman vs N Schouten |
| 1-0 | 25 |
1964 |
Rotterdam ch-NED jr 0 | B08 Pirc, Classical |
| 9. Timman vs P Dijkhuis |
| 1-0 | 46 |
1965 |
Nederland tt | A56 Benoni Defense |
| 10. De Wind vs Timman |
| 0-1 | 32 |
1965 |
The Hague ch-jr | A65 Benoni, 6.e4 |
| 11. P Nieuwenhuis vs Timman |
| 0-1 | 37 |
1965 |
Nederland tt | A13 English |
| 12. Timman vs M De Bolster |
| 1-0 | 35 |
1965 |
The Hague ch-jr | D15 Queen's Gambit Declined Slav |
| 13. Wisse vs Timman |
| 0-1 | 30 |
1965 |
The Hague ch-jr | A91 Dutch Defense |
| 14. Timman vs R Van Dijken |
| 1-0 | 27 |
1965 |
The Hague ch-jr | A51 Budapest Gambit |
| 15. Mooijaart vs Timman |
| 0-1 | 53 |
1965 |
The Hague ch-jr | B80 Sicilian, Scheveningen |
| 16. J Moles vs Timman |
| 0-1 | 43 |
1966 |
Groningen Ech-jr pre | B93 Sicilian, Najdorf, 6.f4 |
| 17. Timman vs C Klaassen |
| 1-0 | 31 |
1966 |
Delft ch-NED jr | E88 King's Indian, Samisch, Orthodox, 7.d5 c6 |
| 18. H Happel vs Timman |
| 0-1 | 36 |
1966 |
The Hague | A22 English |
| 19. G Svensson vs Timman |
| 0-1 | 35 |
1966 |
Groningen Ech-jr pre | D21 Queen's Gambit Accepted |
| 20. Timman vs J Riksen |
| 1-0 | 54 |
1966 |
Delft ch-NED jr | D51 Queen's Gambit Declined |
| 21. Timman vs M Benoit |
| 1-0 | 34 |
1966 |
Paris tt jr | E80 King's Indian, Samisch Variation |
| 22. Timman vs J Moles |
| 1-0 | 29 |
1966 |
Groningen Ech-jr pre | E20 Nimzo-Indian |
| 23. Gligoric vs Timman |
| 0-1 | 51 |
1966 |
The Hague simul | C63 Ruy Lopez, Schliemann Defense |
| 24. Timman vs G Ligterink |
| 1-0 | 25 |
1966 |
Delft ch-NED jr | A56 Benoni Defense |
| 25. B Denman vs Timman |
| 0-1 | 35 |
1966 |
Paris | B22 Sicilian, Alapin |
