| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. S Lappalainen vs T Sammalvuo |
| 0-1 | 18 |
1989 |
Joensuu We JoeSK | D44 Queen's Gambit Declined Semi-Slav |
| 2. M Rytshagov vs T Sammalvuo |
| 0-1 | 41 |
1994 |
Helsinki | C89 Ruy Lopez, Marshall |
| 3. J Aijala vs T Sammalvuo |
| 0-1 | 36 |
1995 |
Hyvinkaa-ch | E97 King's Indian |
| 4. T Sammalvuo vs Pavasovic |
| 0-1 | 58 |
1995 |
Wch U20 | B32 Sicilian |
| 5. Shaked vs T Sammalvuo |
| 0-1 | 40 |
1995 |
Ch World (juniors) (under 20) | B22 Sicilian, Alapin |
| 6. K Sorri vs T Sammalvuo |
| 0-1 | 19 |
1996 |
Espoo We ESK op | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 7. J Aijala vs T Sammalvuo |
| 0-1 | 41 |
1997 |
Vammala op | B95 Sicilian, Najdorf, 6...e6 |
| 8. T Sammalvuo vs A Veingold |
 | 0-1 | 40 |
1997 |
FIN-chT 9798 | E15 Queen's Indian |
| 9. T Sammalvuo vs Ulibin |
| 0-1 | 41 |
1998 |
Rilton Cup | A30 English, Symmetrical |
| 10. R Akesson vs T Sammalvuo |
| 0-1 | 36 |
1998 |
4th Gudmundur Arason | A14 English |
| 11. T Sammalvuo vs G Giorgadze |
| 0-1 | 36 |
1999 |
EU-chT (Men) | E11 Bogo-Indian Defense |
| 12. T Sammalvuo vs P Claesen |
| 0-1 | 48 |
1999 |
EU-chT (Men) | A57 Benko Gambit |
| 13. T Sammalvuo vs Y Yakovich |
| 0-1 | 37 |
1999 |
Rilton Cup | B33 Sicilian |
| 14. T Upton vs T Sammalvuo |
| 0-1 | 52 |
1999 |
EU-chT (Men) | B92 Sicilian, Najdorf, Opocensky Variation |
| 15. J Leino vs T Sammalvuo |
| 0-1 | 24 |
2000 |
10th Open | B93 Sicilian, Najdorf, 6.f4 |
| 16. T Sammalvuo vs K Kiik |
| 0-1 | 63 |
2000 |
10th Open | A04 Reti Opening |
| 17. T Kilpi vs T Sammalvuo |
| 0-1 | 15 |
2000 |
10th Open | D47 Queen's Gambit Declined Semi-Slav |
| 18. R Ocampo vs T Sammalvuo |
| 0-1 | 49 |
2001 |
MEX-ch XLVII Nacional Abierto | B22 Sicilian, Alapin |
| 19. L Arnold vs T Sammalvuo |
| 0-1 | 37 |
2001 |
VI Cup GM | B92 Sicilian, Najdorf, Opocensky Variation |
| 20. S Kustar vs T Sammalvuo |
| 0-1 | 32 |
2001 |
VI Cup GM | D44 Queen's Gambit Declined Semi-Slav |
| 21. O Sepp vs T Sammalvuo |
| 0-1 | 40 |
2001 |
Helsinki vs. Tallinn Match | B20 Sicilian |
| 22. T Bae vs T Sammalvuo |
| 0-1 | 55 |
2002 |
Bled Olympiad | E14 Queen's Indian |
| 23. C Pereira dos Santos vs T Sammalvuo |
| 0-1 | 66 |
2002 |
Bled Olympiad | E12 Queen's Indian |
| 24. Carlsen vs T Sammalvuo |
| 0-1 | 37 |
2002 |
Helsinki ShakkiNet-A 4th | D43 Queen's Gambit Declined Semi-Slav |
| 25. T Sammalvuo vs G Guseinov |
| 0-1 | 81 |
2003 |
EU-chT (Men) | A21 English |
